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  • If the momentum of a body is doubled, the kinetic energy
Multiple choice

If the momentum of a body is doubled, the kinetic energy

  1. is halved

  2. is unchanged

  3. is doubled

  4. increases 4 times

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Kinetic energy (KE) is related to momentum (p) by the formula KE = p^2 / (2m). If momentum is doubled (2p), the new kinetic energy becomes (2p)^2 / (2m) = 4 * (p^2 / 2m), which is 4 times the original.

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