Asked by Rebecca

Your 2000 kg car is going 40 m/s on the highway when you see a police car up ahead. You apply the maximum 10000 N of brake force to slow your car down to the speed limit of 30 m/s. How many seconds will it take you to get down to the speed limit?

Answers

Answered by bobpursley
a=(30-40)/time

F=ma
10000=2000*aFromAbove
solve for time t.
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