Superman throws a boulder of weight 3800 n at an adversary on the surface of the earth, where the magnitude of the acceleration due to gravity, g = 9.80 m/s2. what horizontal force must superman apply to the boulder to give it a horizontal acceleration of 12.8 m/s2?

Question

Thelma

Physics

16 January, 13:11

Superman throws a boulder of weight 3800 n at an adversary on the surface of the earth, where the magnitude of the acceleration due to gravity, g = 9.80 m/s2. what horizontal force must superman apply to the boulder to give it a horizontal acceleration of 12.8 m/s2?

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Corinne Key · Answer 1

The weight of the boulder is 3800 N, therefore its mass i s

3800/9.8 = 387.755 kg

If the horizontal acceleration is 12.8 m/s², then the horizontal force applied is

F = (387.755 kg) * (12.8 m/s²) = 4.963 x 10³ n = 4.963 kN

Answer: 4.963 kN