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You brake for 1.30s, slowing your 1000kg car from 17.0m/s to 10.0m/s. What was the average force exeerted on your car during braking?

Driving home from school, you spot a ball rolling out into the street. You brake for 1.30s, slowing your 1000kg car from 17.0m/s to 10.0m/s. What was the average force exeerted on your car during braking?

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Anthony P. | Experienced tutor in earth sciences and basic math to trigonometry Experienced tutor in earth sciences and ...
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F = ma = m(dv/dt) = 1000*(vf - vi)/(t) = 1000 kg *(10.0 m/s - 17.0 m/s)/(1.30 s) = -5384.6 N