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July 25, 2014

Homework Help: physics

Posted by george on Monday, February 4, 2013 at 9:59am.

A car starts from rest and travels for 6.0s with a uniform acceleration of 2.7m/s ^2. The driver then applies the brakes, causing a uniform acceleration of -2.0m/s^2. If the brakes are applied for 2.0s, determine each of the following.

a.) how fast is the car going at the end of the braking period?

b.) how far has the car gone?

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