Questions asked by #1/0#
- Back to user's profile
-
A person is ascending at 8m/s in a hot air balloon. When the balloon is 120 metres above the ground she drops a stone. Calculate the time taken for the stone to reach the ground?
-
A 18kg block rests on a horizontal plane with a force of 80N at 40deg. The coeffection friction between the block and plane is 0.23. What is the, Normal reaction? The friction force? and acceleration of the block?
-
A diagram shows a puck, mass m = 53.0g moving with uniform circular motion, radius r=75cm on an air tabble. The puck is tied to a string which passes through a pivot inserted in a hole in the middle of the table. On the other of the string?
-
The planet Mars has a Satellite, Phobos, which travels in an orbit of radius 9.4 x 10^6m with a period of 7 hours 39 min. Calculate the mass of Mars from this information?
-
An arrow is fired from ground level with an unknown angle of elevation at 120 m/s. Two seconds later, while descending, it just clears a power cable 18.0m above the ground. How far beyond the cable does the arrow strike the ground?
-
A major department store has just installed three new escalators. Each one is designed to carry 120 people, each of average mass 70kg. per min to a floor 10.0m higher. The engine which drives these escalators is 65% energy efficient. What?
-
Photoelectric work function for cesium at 2.14eV?
-
What is the mass defect? and binding energy in MeV for atom?
-
Half-life question with extension?
-
Help with electron and radiation regarding Vmax? Does emission occur??
-
How to Solve x: log10(10x/3) - 2 = log10(1/10)?
-
Find the angle ABF and the length BF if the hexagon has side length 1?
-
Prove: 1/cot^2θ - 1/csc^2θ = sin^4θ/cos^2θ ??
-
How do you linearise the radioactive decay function properly?
-
How do you linearise the period of a pendulum formula?
-
How do you solve this if mass isn't known??? (Forces question)
-
How do you find the angle?
-
How do I solve this polynomial?
-
Whats the angle between the two?