Ask a New Question

Question

an 80kg man jumps off a 60m cliff, halfway to the ground, his GPE is 27,072J. What is his KE at the same moment?
11 years ago

Answers

MathMate
Half way down is 30 m down.
Assuming the GPE reference is at the bottom of the cliff, then
GPE=mg(30)=27072 J
KE=(1/2)mv²

Equate GPE and KE.
11 years ago

Related Questions

How much would a 80kg astronaut weigh on Earth? How much would they weigh 500 km above the surface o... A man (80kg) jumps from a 17 storey balcony (51 metres). How long would it take for him reach the gr... A man has a mass of 80kg on the Earth's surface. Part A How far above the surface of the Earth... James (80kg) is performing a bungee jump from a 210m high dam. He has a free fall for 160 meters unt... a man of 80kg is supported by a two cables then t1 and t2 is A 1.30kg kg box and a 3.80kg kg box on a perfectly smooth horizontal floor have a spring of force co... 1. An 80kg football player is running at the speed of 6.0m/s. A 100kg player is running towa... 1,Aclimber Of Mass 80Kg Is On A Steep Rock Face.The Force X That The Rock Exerts On The Climber Is A... A man whose mass is 80kg stands on a sprin g weighing machine inside an elevator. What is the readi... What is the momentum of a 80kg sprinter running 100m in 9.8 seconds?
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use