Physics
DimSim
14

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

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(1) Answers
morganlagasse15

The answer should be 45m/s^2 vf=0 vi=60mph t=4.0s 60mph has to be converted to seconds so there is 60 minutes in an hour and 60 seconds in a minute... so you time 60*3=180 180/4.0 45m/s^2

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