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At what height is an object that has a mass of 50kg if its gravitational potential energy is 9800J
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5 votes
At what height is an object that has a mass of 50kg if its gravitational potential energy is 9800J

User Pulsejet
by
3.3k points

1 Answer

4 votes

Answer:

20m

Step-by-step explanation:

The equation for gravitational potential energy is:

Ep = mgh

Rearrange,

H =
(Ep)/(mg)\\

The gravitational field strength for Earth is 9.8 (N/kg)

50×9.8 = 490

9800 ÷ 490 = 20

height = 20m

User Arcath
by
3.6k points
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