Answer to Question #160804 in Physics for Gavin

Question #160804

If a man climbs up a wall that is 2 m high and gains 1,220 J of potential energy, then the mass of the man is 62.24 kg.

true or false

Expert's answer

"PE=mgh,""m=\\dfrac{PE}{gh}=\\dfrac{1220\\ J}{9.8\\ \\dfrac{m}{s^2}\\cdot2.0\\ m}=62.24\\ kg."

Answer:

True.

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. If a monkey of mass 8 kg climbs up a tree and the tree is 10 meters high, then the potential energy
2. A rock is lying at the top of a 2 m high cliff and it possesses a potential energy of 80 J. What is
3. A 50 kg shell is fired from a cannon on Earth's surface with a potential energy of 196,000 J.
4. One of the performance characteristics of a car is the time needed to accelerate from 0 km·h-1to 10
5. A student walks across campus from the residence hall to the science lab in 18 minutes. The science
6. A stone is thrown vertically up with a speed of 14 m/s, and at that moment it had 37 kJ of kinetic e
7. A child compresses his spring gun 1 cm. If 3 mJ of energy are stored in the spring, what is the spri