# physical science

posted by .

If a 2 kg block has a gravitional potential energy of 58.5 J, how high is it above the floor?

• physical science -

PE = mgh
58.5 = 2*9.8*h
h = 2.98m

## Similar Questions

1. ### Physics - drwls?

A small block of mass m = 4.0 kg can slide along the frictionless loop-the-loop. The block is released from rest at point P, at height h = 23R above the bottom of the loop (R is the radius of the loop). Express your answers in the …
2. ### Physics

please can u check my answer Here are the questions: 1. A 0.45 kg book is resting on a dessktop 0.64 m high. Calculate the book's potential energy relative to a)the desktop?
3. ### physical science

A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has: Answer no energy. kinetic energy only. potential energy only. both kinetic and potential energy.
4. ### science

A 4kg block is sitting on the floor. (a) How much potential energy does it have?
5. ### science

1. How much potential energy does a 5kg block have if it is 2m above the ground?
6. ### physics

If the zero level is a distance 2h/3 above the floor, what is the potential energy U of the block on the floor?
7. ### physical science

what is change of [potential energy as result of this move of how much work is done in raising a 35kg crate a distance of 1.5m above a storeroom floor
8. ### Physical Science

find the potential energy of a 3kg block that is on a roof top 10m above the floor.
9. ### PHYSICS

if the zero level is a distance 2h/3 above the floor what is the potential energy U of the block on the floor?
10. ### physical science

when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs …

More Similar Questions