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Question: Answered & Verified by Expert
A body of mass $m=3.513 \mathrm{~kg}$ is moving along the $x$-axis with a speed of $5.00 \mathrm{~ms}^{-1}$. The magnitude of its momentum is recorded as
PhysicsCenter of Mass Momentum and CollisionJEE MainJEE Main 2008
Options:
  • A
    $17.6 \mathrm{~kg} \mathrm{~ms}^{-1}$
  • B
    $17.565 \mathrm{~kg} \mathrm{~ms}^{-1}$
  • C
    $17.56 \mathrm{~kg} \mathrm{~ms}^{-1}$
  • D
    $17.57 \mathrm{~kg} \mathrm{~ms}^{-1}$
Solution:
1128 Upvotes Verified Answer
The correct answer is:
$17.6 \mathrm{~kg} \mathrm{~ms}^{-1}$
$$
P=m v=3.513 \times 5.00 \approx 17.6
$$

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