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A motorist droves north for 35.0 minutes...

A motorist droves north for 35.0 minutes at `85.0 km//h` and then stops for 15.0 minutes. He next continues north, travelling 130 km in 2.00 hours. What is his total displacement?

A

85km

B

179.6km

C

20km

D

140km

Text Solution

Verified by Experts

The correct Answer is:
B

`barS_(1)= barV_(1)t`, `barS= barS_(1)+barS_(2)`
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