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JEE Main 2023 (31 Jan, Shift 2) · Acceleration Due to Gravity

Acceleration Due to Gravity question from JEE Main 2023 (31 Jan, Shift 2)

Q53JEE Main 2023 · 31 JAN · SHIFT 2Easy

Acceleration Due to Gravity

A body weight $W$ , is projected vertically upwards from earth's surface to reach a height above the earth which is equal to nine times the radius of earth. The weight of the body at that height will be:

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Answer: (c)

At $h = 9R$ the distance from the centre is $r = 10R$ .
$W_h = W\left(\frac{R}{10R}\right)^2 = \frac{W}{100}$
So the answer is (c) $\frac{W}{100}$ .

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