Homework Help: dynamics

Posted by shivankar on Friday, August 3, 2012 at 1:09pm.

12. A car travels around a horizontal circular track of radius 45m.If the car increases its speed at a constant rate of 1.2m/s2 starting from rest, determine the time needed for it to reach an acceleration of 1.4m/s2. What is its speed at this instant?

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