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Consider a drop of rain water having mas...

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

A

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

B

(i) 100 J (ii) `8.75 J`

C

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

D

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

Text Solution

AI Generated Solution

To solve the problem, we need to calculate the work done by the gravitational force and the work done by the resistive force of air on a raindrop falling from a height of 1 km. ### Step-by-Step Solution: **Step 1: Convert the mass of the raindrop to kilograms.** - Given mass = 1 g = \(1 \times 10^{-3}\) kg. **Step 2: Calculate the height in meters.** ...
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