A 50kg girl is playing soccer. She runs towards the ball at a speed of 7 m/s. How much kinetic energy does she have as she runs

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02-02-2018
Physics

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A 50kg girl is playing soccer. She runs towards the ball at a speed of 7 m/s. How much kinetic energy does she have as she runs

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mpanderla95 mpanderla95 · Answer 1 · 2018-02-02T02:11:05+01:00

mpanderla95 mpanderla95

02-02-2018

The calculation for kinetic energy is this

KE = 1/2mv^2

KE = 1/2(50)(7^2)

KE = 1/2(49•50)

KE = 1225 kgm^2/s^2.

Or simply 1225 J.

She possess this much energy when she runs.

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trkern13oxo4bn trkern13oxo4bn · Answer 2 · 2018-02-02T15:06:43+01:00

trkern13oxo4bn trkern13oxo4bn

02-02-2018

yup its 1,225j thank you lol i need more wordsssssss

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