AIPMT PRELIMS2000Physics-Laws of Motion
AIPMT PRELIMS 2000 Physics Conservation of Momentum MCQ Question
Type: MCQ-numerical-Medium-Class 11
A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 seconds, it explodes into two parts. One part of mass 400 g comes down with a velocity 25 m/s. Calculate the velocity of other part:
A
40 m/s upward
B
40 m/s downward
C
100 m/s upward
D
60 m/s downward
Correct Answer
Option C
Detailed Explanation
Using conservation of momentum, the total momentum before and after the explosion must be equal. Solving for the velocity of the other part gives 40 m/s upward.
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