A ball is held 3 meters from the ground, and its gravitational potential energy is 9 J. what is the mass of the ball? (Use g=10 m/s2)
The formula for potential energy is: PE=mgh
We can rearrange the formula to solve for height:
Where:
PE= 9 J
h= 3 m
g= 10 m/s2
Plugging in the values, we get:
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