Warmup: A rifle with a mass of 9.0 kg is used to fire a bullet of mass 0.4 kg. The bullet leaves the gun with a speed of 125 m/s. What is the recoil velocity.

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Presentation transcript:

Warmup: A rifle with a mass of 9.0 kg is used to fire a bullet of mass 0.4 kg. The bullet leaves the gun with a speed of 125 m/s. What is the recoil velocity of the gun?

Physics Chapter 9 Test Information The test is worth 42 points total. Multiple Choice: 20 questions, 1 point each. Problems: 3 questions for a total of 22 points. Know: - the formulas, and where to find them on your green sheet - vocabulary from the chapter - What is a closed system? What is an isolated system? - the difference between impulse and momentum - the impulse-momentum theorem - the conditions for momentum to be conserved - moment of inertia, precession, angular momentum - the conditions for angular momentum to be conserved