'Momentum impulse' diaporamas de présentation

Momentum and Impulse

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Momentum and Impulse

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Section 1: Momentum and Impulse

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Momentum

Momentum. Notes (HRW p196). Momentum. Definition The measure of how difficult it is to stop a moving object Mass in Action! Formula p = mass * velocity, or p = mv Units kg.m/s Momentum is a vector !. Example. Q: What is the momentum of a 1000 kg Civic traveling at 30 m/s?

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"the total momentum of the two balls is the same as it was before."

READING QUIZ. When cue ball collides with another billiard ball initially at rest,. "the total momentum of the two balls is the same as it was before." "each ball has the same momentum after the collision as it did before."

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For an inelastic collision between two objects,

READING QUIZ. For an inelastic collision between two objects, "the total kinetic energy of the objects changes.", "the total momentum of the objects changes.", "the total potential energy of the objects changes.". Momentum is a vector: Magnitude = mass times speed = mv

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Momentum/Impulse

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Problem 13.195

D. 10 mm. 20 o. C. A. B. 15 o. Problem 13.195. A 25- g steel-jacket bullet is fired horizontally with a velocity of 600 m/s and ricochets off a steel plate along the path CD with a velocity of 400 m/s . Knowing that the bullet leaves a 10- mm scratch

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Ch. 8 - Momentum

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