What was the cars velocity when it passed the checkpoint

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Reference no: EM13979322

A speeding car passes a highway patrol checkpoint and thendecelerates at a constant rate; 5 seconds later, the car is 225 m from the checkpoint, and its speed is then 30 m/s.

a. What was the car's velocity when it passed the checkpoint?

b. What was the acceleration of the car?

Reference no: EM13979322

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