AIIMS2010Physics-Work, Energy and Power
AIIMS 2010 Physics Work-Energy Theorem MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A block of mass 10 kg is moving in x-direction with a constant speed of 10 m/s. It is subjected to a retarding force F = 0.1x joule/metre during its travel from x = 20 m to x = 30 m. Its final K.E. will be
A
475 J
B
450 J
C
275 J
D
250 J
Correct Answer
Option A
Detailed Explanation
Initial K.E. calculation and average retarding force.
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