A running back with a mass of 70 kg travels down the field with a velocity of 5.0 m s. Calculate the kinetic energy of the football player.

Question

Physics

Reed

17 April, 04:25

A running back with a mass of 70 kg travels down the field with a velocity of 5.0 m s. Calculate the kinetic energy of the football player.

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Answers (2)

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Anabel Vaughn · Answer 1

K. E = 1/2 mv²

= 1/2 (70kg) (5.0ms) ²

= 1 ˣ (1750) / 2

= 875 kgms²

Speedo · Answer 2

The kinetic energy of the player is B.) 875 Joules. This is found by multiplying the mass (70 kg) times the velocity (5 m / s) squared, and dividing the product by 2.