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Wind is blowing in the north direction a...

Wind is blowing in the north direction at speed of 2 m/s which causes the rain to fall at some angle with the vertical. With what velocity should acyclist drive so that the rain appears vertical to him:

A

2 m/s south

B

2m/s north

C

4 m/s west

D

4m/s south

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The correct Answer is:
B
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ALLEN-KINEMATICS-2D-Exercise (O-1)
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