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1020_chap16 - ME240 AngularMomentum(16.3 HW:16.90,16.140...

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l Mt (16 3) ME 240 Angular Momentum (16.3) HW: 16.90, 16.140 Supplemental Problems: 16.123, 16.129, 16.133
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How tough is it to hit the two yellow stones in succession? Given: m=m A =m B =20kg, r=r A =r B =0.15m, v A =5m/s Determine the velocities of A and B after the collision? Assess how much the trajectory differs if the initial collision occurs 1 cm to the left. Assume the 2 yellow stones are 2 m art apart. A =30deg B v A
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Angular momentum Angular momentum of a particle r m v  O Hr Angular impulse 2 t Fd t   1 t r rinciple of Angular Impulse and Momentum 2 t O rF dt HH  Principle of Angular Impulse and Momentum       1 21 OO t
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Angular Momentum Central Force Motion: Occurs when the total force acting on an object remains directed toward a point t i fi d i it i l f f t llit that is fixed in an inertial reference frame, e.g. satellite orbits. How will the satellite’s speed at A compare to that at B?
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Angular Momentum
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1020_chap16 - ME240 AngularMomentum(16.3 HW:16.90,16.140...

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