SATHEE: Laws Of Motion Question 253

Laws Of Motion Question 253

Question: A body of mass m collides against a wall with a velocity v and rebounds with the same speed. Its change of momentum is [Kerala PMT 2004]

Options:

A) 2 mv

B) mv

C) ? mv

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

$Δ p = p_{i} - p_{f} = m v - (- m v) = 2 m v$

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Laws Of Motion Question 253

Question: A body of mass m collides against a wall with a velocity v and rebounds with the same speed. Its change of momentum is [Kerala PMT 2004]

Options:

Answer:

Solution:

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