# physics

A family drives 400 milles in 8 hours. Explain how the acceleration of their car changed?

1. There are many ways to go 400 miles in 8 hours. All you need to do is average 50 mph.

In the real world, you have to stop at traffic lights and stop signs; slow down when there is a slower driver ahead of you, and speed up to pass.

That is a crazy question.

posted by drwls

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