A motor car is going due north at a spee...

A motor car is going due north at a speed of 50 km/h. It makes a `90^(@)` left turn without changing the speed. The change in the velocity of the car is about.

50 km/h towards west

70 km/h towards south - west

70 km/h towards north - west

zero

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AAKASH SERIES-MOTION IN A PLANE -Exercise -I

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