Question

Mass of a body on earth is 60kg. What will be its weight at a height double the radius of the earth​

Answer 1

How much will it weigh on a planet whose mass is 3 times and radius is 2 times that of earth ? =60×32×9.8=882kgwt.

Answer 2

Answer:

192 N

Explanation:

Mass = 60 kg

weight is a type of a force so,

$W (Weight) = M g_{new}$

$g_{new} = g_{surface} (\frac{R}{R + h})$

$g_{new} = 9.8 (\frac{R}{R + 2R})\\\\g_{new} = 9.8 (\frac{R}{3R})\\\\\g_{new} = 9.8 (\frac{1}{3})\\\\\g_{new} = 3.2 m/s^2$

$W (Weight) = M g_{new}\\W (Weight) = 60 * 3.2\\\W (Weight) = 192$