A proton (m = 1.67 × 10-27 kg) traveling at 2.50 × 105 m/s collides with an unknown particle initially at rest. After the

Question

A proton (m = 1.67 × 10-27 kg) traveling at 2.50 × 105 m/s collides with an
unknown particle initially at rest. After the collision, the proton reverses
direction and travels at 1.10 x 105 m/s. Determine the change in momentum
of the unknown particle.

Kunduz · Accepted Answer

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