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A stone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. The stone rolls down 10 meters and comes to rest on a patch of moss. The gravitational potential energy of the stone on the moss is joules. (Use PE = m × g × h, where g = 9.8 N/kg.)



Answer :

Answer:The gravitational potential energy (PE) of the stone on the moss is calculated using:PE=m×g×hPE=m×g×h

Given:Mass m=1.5m=1.5kg

Gravity g=9.8g=9.8N/kg

Final height 

h=10h=10m (20 m initial height minus 10 m descent)PE=1.5×9.8×10=147

PE=1.5×9.8×10=147

So, the gravitational potential energy is 147 joules.

Explanation:PE=147joules

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