Answers created by Pankaj Solanki
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Double derivative of -sin(sinx)cosx..?
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A charge of 3 C is at (3, -1 ) and a charge of -4 C is at ( -3, 7 ). If both coordinates are in meters, what is the force between the charges?
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How to find the first term, the common difference, and the nth term of the arithmetic sequence here?
8th term is 4; 18th term is -96
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A charge of -2 C is at (4, 7) and a charge of -1 C is at ( 5, 2). If both coordinates are in meters, what is the force between the charges?
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How do you solve 3( 1+ 4n ) - 2( 5n - 3) = 25?
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A charge of 1 C is at (-2,7,1) and a charge of 2 C is at (8,-1,4) . If both coordinates are in meters, what is the force between the charges?
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Question #f066d
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Two forces of 3 N and 4 N act on a body simultaneously and the forces are perpendicular to each other. What is the net force on the body?
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Question #c51a5
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Question #dc133
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An object travels North at 5 m/s for 2 s and then travels South at 3 m/s for 2 s. What are the object's average speed and velocity?
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A projectile is shot at an angle of pi/6 and a velocity of 1 m/s. How far away will the projectile land?
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Question #b88bf
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How do you simplify 3sqrt27+4sqrt12-sqrt300?
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Raindrops are falling vertically at a speed of 120 km/h through air that is moving horizontally at a speed of 40 km/h(i.e. the wind is 40 km/h). At what angle do the drops strike the ground?
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Question #52e2a
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Question #ab4af
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Question #9b2b7
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How do you find the derivative of F(x) = sqrt( (x-8)/(x^2-2) )?
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Question #62e23
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Derive the relationship between "g" and "G"?
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Question #bc3b7
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Question #c2684
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Question #4fa34
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How do you solve 3x - 1( 5+ x ) = 2( x + 5)?
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How do you expand the binomial (x+4)^5 using the binomial theorem?
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Question #25f98
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Question #c6810
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Question #0bebb
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Question #3a861
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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.
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Question #e8598
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3((n+3)!-(n+1)!)=2((n+3)!+(n+1)!) calculate n value ?
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How do you simplify (1-2i)(3+4i)?
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How do you find g(0) given g(x)=-5x+2?
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Question #067a2
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What is f(x) = int (x-2)/(x-1) dx if f(2) = 0 ?
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Calculate the acceleration of a 300,000-kg jumbo jet just before takeoff when the thrust on the aircraft is 120,000 N ?
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Consider a 40-kg block of cement that is pulled sideways with a net force of 200 N.
Show that its acceleration is 5 m/s^2?
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When a cannonball is fired from a cannon, both the cannonball and the cannon experience equal ... ?
LOOK AT THE DETAILS FOR CHOICES :
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An object is at rest at (1 ,2 ,1 ) and constantly accelerates at a rate of 2/3 m/s as it moves to point B. If point B is at (4 ,9 ,5 ), how long will it take for the object to reach point B? Assume that all coordinates are in meters.
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A ball with a mass of 480 g is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of 24 (kg)/s^2 and was compressed by 8/9 m when the ball was released. How high will the ball go?
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Forces of 3.0 N and 4.0 N act at right angles on a block. What should be the mass of the block for the acceleration to be 1 m/s^2 ?
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Two integers have a sum of 16. one of the integers is 4 more than the other. what are the other two integers?
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How do you solve -5n-8(1+7n)=-8?
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Please help me?
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Question #330de
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A soccer goalie kicks a ball with force of 1500 newtons. The ball has a mass of 0.9 kg. At what rate will the ball accelerate?
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Question #7731e
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Question #37132
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How do you solve 1/ (2x+ 3) + 1/ (4x-3) = 5?
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Question #68f57
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Question #e453a
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Question #eaa93
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Can you solve all these equations please ? Solve 4a+3=11
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Question #e84e5
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What is the density of copper if an 89.6*g mass of the metal has a volume of 10.9*cm^3?
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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.
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How do you simplify (8^ { 6} ) ^ { 2} \div ( 8^ { 2} ) ^ { 5}?
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Question #6578b
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A train travels a distance of 480 km at a uniform speed. If the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. What is the speed of the train?
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Question #45b9d
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An object is moving with a constant velocity of 278 m/s. How long will it take it to travel 7500 m?
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Question #71971
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The position of an object moving along a line is given by p(t) = 4t - sin(( pi )/4t) . What is the speed of the object at t = 1 ?
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The current in a wire is 4.0 amperes. What is the time required for 2.5 times 10^19 electrons to pass a certain point in the wire?
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On a 120 km long railway track, a train travels the first 80 km at a uniform speed of 160 km/h. What is the speed with which the train should move on the rest of the track so as to get the average speed of 80 km/h for the entire trip?
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Question #0c7df
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Question #75e99
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A triangle has corners at (9 ,5 ), (2 ,7 ), and (3 ,4 ). How far is the triangle's centroid from the origin?
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Question #71e46
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How do you differentiate f(x)= 5sinx*(1-2x)^2 + cosx*(x+1) using the product rule?
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Question #99ac1
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Question #a126a
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Question #a126a
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Question #13154
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A force of 20 N is applied to a 10 kg mass on a level frictionless surface. What is its acceleration?
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Question #bed92
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Question #fb742
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How do you find the lengths of the arc on a circle of radius 15 inches intercepted by the central angle 180^circ?
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A ball with a mass of 400 g is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of 25 (kg)/s^2 and was compressed by 3/7 m when the ball was released. How high will the ball go?
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Question #f7702
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Question #6ffd9
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How do you find the area bounded by the x axis, y axis, y=x^2+1 and x=2?
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Two objects have masses of 3 MG and 10 MG. How much does the gravitational potential energy between the objects change if the distance between them changes from 130 m to 24 m?
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Question #4f1ca
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How do you solve this system of equations: -8x - y = 14 and - 5x + y = 12?
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Question #c4fa3
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Question #b3aa8
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Question #159c0
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A thin rope 200 inches length is going to be cut into three pieces to form one circle and two equal squares. Which of the following represents the r of the circle, if the rope was finally cut in such a way that the total area of the shapes is minimized?
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How do you find lim sin^2x/x as x->0 using l'Hospital's Rule?
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Question #5952a
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If cos60^@=1/2, what is sec60^@?
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Question #bc12d
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Question #b71d2
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How do you solve x+ \frac { 3} { 8} = \frac { 7} { 5} x + \frac { 1} { 9} + \frac { 5} { 8}?
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How do you find the sum of Sigma (3i-1) from i=1 to 6?
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Any trigonometry expert here to help, please?
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Question #2ebe8
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