PHY-301
Q: For larger value of time, the terminal speed of a rain drop of mass 'm' under the action of drag force is
A mgb
O
B gt
none
о O
5 mg/
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Answer:
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Explanation:
Correct option is
B
0.098 J
work done = mgh
m = mass of drop = 0.1 g = 0.00001kg
g =9.8m/s
h = 100m
work done = 0.00001×9.8×100
= 0.098 J
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