physics kinematics

Level 2

A car is travelling north along a straight road at 50 km hr –1 . An instrument in the car indicates that the wind is directed towards east. If car’s speed is 80 km hr–1, then instrument indicates that the wind is directed towards south – east. Then angle made by wind’s direction is given by.

tan^-1(5/3) 30 45 60 sin^-1(7/9)

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