A box of mass 10 kg placed at the rooftop of height 15.2 metre. Calculate the amount of energy stored in the box
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Answered by
0
Answer:
Answer
Initial Velocity u=0
Fianl velocity v=?
Height, s=19.6m
By third equation of motion
v
2
=u
2
+2gs
v
2
=0+2×9.8×19.6
v
2
=384.16
⇒v=19.6m/s
Answered by
0
Answer:
amount of energy stored in the box = mgh
= 10 * 9.8 * 15.2
= 1489.6 J
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