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A car is traveling at 20meters/seconds and is brought to rest by applying brakes over a period of 4 seconds what is it's average acceleration over this time interval?
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4 votes
A car is traveling at 20meters/seconds and is brought to rest by applying brakes over a period of 4 seconds what is it's average acceleration over this time interval?

User CoryDorning
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1 Answer

4 votes

v=vo-at<=>0=20-4a<=>4a=20=>a=5 m/s^2

User TroelsGP
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