Question

यदि पृथ्वी पर आपका भार 50 किलोग्राम -भार हो तो आपको पृथ्वी की सतह से कितनी ऊंचाई तक जाना पड़ेगा ताकि आपका भार 25 किलोग्राम -भार रह जाए​

Answer 1

At 1600 height.

Explanation:

Given that,

Weight on the earth = 50 kg

Weight on at height = 25 kg

We need to calculate the value of gravity

$mg_{e}=50$...(I)

$mg_{h}=25$.....(II)

Divided equation (I) by equation (II)

$\dfrac{g_{e}}{g_{h}}=2$

$g_{e}=2g_{h}$

We need to calculate the height

Using formula of gravitational force

$g_{h}=g(1-\dfrac{2h}{R})$

$g_{h}=2g_{h}(1-\dfrac{2h}{6400})$

$h=\dfrac{6400\times0.5}{2}$

$h=1600\ m$

Hence, At 1600 height.

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