A girl of mass 35 kg climbs up from the first floor of a building at a height 4m above the ground to the third floor at a height 12m above the ground. What will be the increase in her gravitational potential energy ? (g = 10 ms-2).
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2
Answer:
Explanation:
she climbs a total height of (12-4)= 8m
therefore increase in gravitational potential energy =
Mgh' - Mgh
= Mg(h'-h)
= 35 x 10 x (12-4)
= 350 x 8
= 2800 J
Answered by
3
Explanation:
Pls refer to the attachtment
Increase in Gravitational potential energy-
= 4200-1400
=2800 joules
Sorry i forgot to do this part
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