A molecule of mass 3x10-26 kg is moving toward a wall at a speed of 3x105 m/s. It bounces back in exactly the opposite direction going at the same 3x105 m/s.  a. What was the magnitude of the change in momentum of the molecule? b. WHat was the magnitude of the impulse applied to the molecule?  c. If the molecule interacted with the wall for 1 micro second (10-6s), what was the average force of the wall on the molecule?  d. What impulse is applied by the molecule to the wall?

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