Question

What is the mass of an object if it has 915J of energy when it is 6.50m above the ground?

A.851kg
B0.0696kg
C.583kg
D.14.4kg

Answer 1

D

Step-by-step explanation:

GPE = mgh

GPE / gh = m

m = GPE/gh

m = 915 / 6.5 x 9.8

m = 915 / 63.7

m = 14.4kg