To avoid a rear-end collision with a slow moving vehicle ahead, you step on the

Question

To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s.  What is the tangential acceleration of the car?  Sketch the problem showing all the relevant vector components.  

To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car? Sketch the problem showing all the relevant vector components.

Explanation / Answer

tangential acceleration of the car=angular speed/time taken = 13.4 x 10-2 rads/s/(8sec)= 1.675 x 10-2 rads/s2.

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