AIPMT PRELIMS2011Physics-Motion in a Plane

AIPMT PRELIMS 2011 Physics Relative Velocity MCQ Question

Type: MCQ-numerical-Medium-Class 11

A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes 40 m/s towards north. The average acceleration of the body is

A

5 m/s²

B

1 m/s²

C

7 m/s²

D

√7 m/s²

Correct Answer

Option A

Detailed Explanation

a = |v₂ - v₁|/t = √(30² + 40²)/10 = 5 m/s²

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