Homework Help: physics

Posted by jon dash on Tuesday, March 29, 2011 at 3:44pm.

A car traveling at 98 kilometers an hour comes to a stop in 15 seconds. What is the car's acceleration in kilometers an hour per second

physics - drwls, Tuesday, March 29, 2011 at 4:27pm
Convert 98 km/h to 27.2 meters per second and divide that by 15 seconds.

The answer is really negative, since the car is decelerating

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