A STONE OF MASS 0.105Kg IS PROJECTED VERTICALLY UPWARD BY EXPENDING 100J OF ENERGY.HOW HIGH THE STONE RISES?
Answers
Answered by
2
Explanation:
80 metres is right answer
Answered by
1
Answer:
h = 95.23 m
Explanation:
m = 0.105 kg or 105/1000 kg
P.E. = 100 J
g = -10 m/
let h be height.
then-
P.E. = mgh
100 J = 105/1000 x 10 x h
10000/105 = h
h = 95.23
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