what is the difference in gravitation potential energy when a 3.5 of box is raised from a height of 1.2m to a height of 4.0m?
1 answer:
Answer: 96.138 J
Explanation:
Use equation for potential gravitational energy : Ep=mGh
Ep1=mGh1
Ep2=mGh2
-------------
Ep1= 3.5*9.81*1.2
Ep1=41.202 J
Ep2=3.5*9.81*4
Ep2=137.34 J
Ep=Ep2-Ep1
Ep=137.34-41.202
Ep= 96.138 J
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