# Relative Motion

### Topic Page

Relative Motion### Questions

- Why is acceleration inversely proportional to mass?
- Why is acceleration negative in a free fall?
- When is acceleration constant?
- Why is acceleration a vector quantity?
- What is the relative speed of particles in a liquid?
- What is the relative velocity equation?
- What is relative speed between two objects?
- How does acceleration affect momentum?
- How can acceleration change the motion of an object?
- What is an acceleration vs time graph?
- What are some examples of acceleration?
- What are some examples of relative velocity?
- What are some examples of relative speed?
- What is relative speed?
- What is relative motion?
- Question #484e1
- A Boeing 474 passenger airliner cruises at a speed of 907km/hr. If the plane reaches cruising speed headed due east and then encounters a headwind of 14km/hr, what is the plane's actual speed?
- In the figure here, block 1 of mass 2.3 kg and block 2 of mass 3.2 kg are connected by a string of negligible mass and are initially held in place. Block 2 is on a frictionless surface tilted at θ = 29 ˚ ?
- Objects A and B are at the origin. If object A moves to #(2 ,1 )# and object B moves to #(5 ,2 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(2 ,3 )# and object B moves to #(5 ,2 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(2 ,3 )# and object B moves to #(5 ,8 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-2 ,7 )# and object B moves to #(5 ,3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(6 ,7 )# and object B moves to #(-1 ,3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(6 ,2 )# and object B moves to #(-1 ,1 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-5 ,2 )# and object B moves to #(-1 ,-8 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-5 ,-3 )# and object B moves to #(-1 ,-8 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(0 ,-3 )# and object B moves to #(-1 ,-8 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(0 ,-1 )# and object B moves to #(9 ,6 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(3 ,-4 )# and object B moves to #(2 ,-6 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-4 ,-4 )# and object B moves to #(2 ,-6 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-4 ,7 )# and object B moves to #(2 ,-3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-4 ,7 )# and object B moves to #(5 ,-3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-2 ,7 )# and object B moves to #(3 ,-3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-2 ,8 )# and object B moves to #(3 ,-3 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-2 ,8 )# and object B moves to #(-5 ,-6 )# over #4 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-2 ,2 )# and object B moves to #(-5 ,-6 )# over #2 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-7 ,2 )# and object B moves to #(-5 ,-6 )# over #2 s#, what is the relative velocity of object B from the perspective of object A?
- Objects A and B are at the origin. If object A moves to #(-7 ,2 )# and object B moves to #(-5 ,-6 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-7 ,5 )# and object B moves to #(-5 ,-2 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(8 ,5 )# and object B moves to #(9 ,-2 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(8 ,6 )# and object B moves to #(9 ,-2 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-1 ,6 )# and object B moves to #(6 ,-2 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-1 ,6 )# and object B moves to #(6 ,-12 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,6 )# and object B moves to #(6 ,0 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,7 )# and object B moves to #(6 ,0 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,7 )# and object B moves to #(6 ,-5 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-2 ,7 )# and object B moves to #(6 ,-5 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-2 ,7 )# and object B moves to #(7 ,-5 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-2 ,2 )# and object B moves to #(7 ,-5 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-2 ,2 )# and object B moves to #(7 ,9 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,-5 )# and object B moves to #(7 ,9 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,-5 )# and object B moves to #(-1 ,9 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,-5 )# and object B moves to #(-1 ,4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,-5 )# and object B moves to #(-1 ,4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,-5 )# and object B moves to #(-1 ,12 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,-5 )# and object B moves to #(-5 ,12 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,-3 )# and object B moves to #(-5 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,-2 )# and object B moves to #(-5 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,-2 )# and object B moves to #(-5 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,7 )# and object B moves to #(-6 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,7 )# and object B moves to #(-6 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(9 ,7 )# and object B moves to #(-8 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(9 ,7 )# and object B moves to #(-8 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(9 ,7 )# and object B moves to #(-4 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,-8 )# and object B moves to #(-4 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,-8 )# and object B moves to #(-4 ,1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-8 )# and object B moves to #(-4 ,2 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-3 )# and object B moves to #(-7 ,2 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-1 )# and object B moves to #(-7 ,2 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5, -1)# and object B moves to #(-7, 8)# over #3# #s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,-1 )# and object B moves to #(-7 ,8 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,5 )# and object B moves to #(-6 ,8 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,1 )# and object B moves to #(-6 ,8 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,1 )# and object B moves to #(-6 ,3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,1 )# and object B moves to #(12 ,3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,7 )# and object B moves to #(1 ,3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,7 )# and object B moves to #(1 ,-4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,7 )# and object B moves to #(1 ,-4 )# over #1 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,6 )# and object B moves to #(1 ,-4 )# over #1 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,6 )# and object B moves to #(6 ,-5 )# over #1 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,7 )# and object B moves to #(6 ,-5 )# over #1 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,7 )# and object B moves to #(6 ,-2 )# over #1 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,7 )# and object B moves to #(6 ,-7 )# over #5 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,-2 )# and object B moves to #(6 ,-7 )# over #5 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-8 ,-2 )# and object B moves to #(5 ,3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-5 ,-1 )# and object B moves to #(5 ,3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-6 ,-2 )# and object B moves to #(5 ,4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(0 ,4 )# and object B moves to #(9 ,8 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(0 ,-3 )# and object B moves to #(9 ,-3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-3 )# and object B moves to #(9 ,7 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-7 )# and object B moves to #(7 ,4 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-7 )# and object B moves to #(7 ,4 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(4 ,-3 )# and object B moves to #(7 ,4 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(4 ,-1 )# and object B moves to #(7 ,1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-1 )# and object B moves to #(-8 ,1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(5 ,-1 )# and object B moves to #(-8 ,6 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(9 ,-7 )# and object B moves to #(-8 ,6 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-9 ,-4 )# and object B moves to #(-3 ,6 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-7 ,4 )# and object B moves to #(-3 ,2 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-7 ,3 )# and object B moves to #(-6 ,2 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-7 ,3 )# and object B moves to #(-6 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,8 )# and object B moves to #(-6 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,-8 )# and object B moves to #(-2 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,-8 )# and object B moves to #(1 ,-1 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-3 ,-8 )# and object B moves to #(1 ,-1 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-7 ,-5 )# and object B moves to #(1 ,-1 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-7 ,-9 )# and object B moves to #(1 ,-1 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,-9 )# and object B moves to #(1 ,-1 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,-9 )# and object B moves to #(1 ,8 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,-9 )# and object B moves to #(5 ,8 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(-4 ,-3 )# and object B moves to #(5 ,8 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(0 ,-3 )# and object B moves to #(5 ,8 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(0 ,-2 )# and object B moves to #(5 ,4 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(4 ,-2 )# and object B moves to #(5 ,4 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(4 ,-2 )# and object B moves to #(2 ,4 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,1 )# and object B moves to #(2 ,4 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,-4 )# and object B moves to #(2 ,7 )# over #8 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,-2 )# and object B moves to #(2 ,9 )# over #5 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(6 ,-2 )# and object B moves to #(2 ,9 )# over #5 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,-5 )# and object B moves to #(2 ,9 )# over #5 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(3 ,-7 )# and object B moves to #(2 ,9 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Objects A and B are at the origin. If object A moves to #(1 ,-1 )# and object B moves to #(5 ,9 )# over #2 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
- Can you describe the difference between the coefficient static friction and kinetic friction by using examples?
- A car is accelerating at #12m/s^2# . What is the acceleration in #km/h^2#?
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- What if she steps on the opposite side, walking against the motion of the sidewalk, what must be her speed so that she reaches the end of the track in the same time as in part (a)?
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- Describe a situation that illustrates how you could be moving in one frame of reference but not in another?
- What part of a train, when as a whole it is moving forward, is moving backwards relative to the ground?
- Two boys start running straight toward each other from two points that are 100m apart.One runs with a speed of 5m/s,while other moves at 7m/s.How close are they to the slower one's starting point when they meet?
- Flying against the wind, a jet travels 3040 miles in 4 hours. Flying with the wind, the same jet travels 8260 miles in 7 hours. What is the rate of the jet in still air, and what is the rate of the wind?