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Consider a drop of rain water having mas...

Consider a drop of rain water having mass 1g falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take .g. constant with a value `10 m//s^(2)`. The work by the (i) gravita-tional force and the (ii) resistive force of air is :

A

(i) 10J, (ii) -8.75 J

B

(i) -10 J, (ii) -8.25 J

C

(i) 1.25 J, (ii) -8.25 J

D

(i) 100 J, (ii) 8.75 J

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The correct Answer is:
A
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