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A motorist drives north for 35 min. at 85 km/h and then stops for 15.0 min.

A motorist drives north for 35 min. at 85 km/h and then stops for 15.0 min. He then continues north, traveling 130 km/h in 2 hours.
(A) What is his total displacement?
(B) What is his average velocity?

Solution Preview

a. The distance covered in the first 35 minutes = 85*35/60= 50 ...

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