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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