1 Answer

Christopher Jones · Answer 1 · 2021-12-01T13:19:38+0000

Step-by-step explanation:

(i) Height of tree, h = 4 m

Mass of Ninja, m = 30 kg

The gravitational potential energy on the top branch of the tree is given by :

P=mgh

g is acceleration due to gravity

$P=30\ kg* 9.8\ m/s^2* 4\ m\\\\P=1176\ J$

(ii) If he were at a height of 2 meters from the ground, its potential energy will be :

P=mgh

g is acceleration due to gravity

$P=30\ kg* 9.8\ m/s^2* 2\ m\\\\P=588\ J$

Therefore, this is the required explanation.

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