Seudónimo Seudónimo

25-01-2017
Physics

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PLEASE HELP!!!!!!
A car slams on its brakes, coming to a complete stop in 4.0 s. The car was traveling north at 60.0 mph. Calculate the acceleration.

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Danielle2321 Danielle2321

21-02-2017

VF=0
Vi=60mph
T=4.0s

you need to convert hours to seconds... so you do there is 60 minutes in an hour and there is 60 seconds in a minute so you do 60*3=180
180/4.0=45m/s^2

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