# physics

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If a race car completes a 3 mi oval track
in 50 s, what is its average speed?

Did the car accelerate?
1. Yes, the speed changed.
2. No, the speed didnâ€™t change.
3. Yes, the direction of the motion
changed.

• physics -

a. V = (3mi / 50s) * 3600s/h = 216mi/h.

b. 1. Yes.

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