Quiz%207%20%28Ch7%29

Quiz%207%20%28Ch7%29 - 1 3 1 3 3 3 2 5000 A f x A i x A i x...

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Student name________________________________________ Student NID__________________________________________ PHY 2053C-0001 Quiz, Mar. 21, 2011 1) A truck of mass 2500 kg collides with another truck initially at rest. The two move off together (completely inelastic collision) in the same direction with 1/3 of the original speed of the moving truck. Determine the mass of the truck which was initially at rest. , , , , ,
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Unformatted text preview: 1 3 1 3 3 3 2 5000 A f x A i x A i x A B A A B A B A B A A A m v v v m m m m m m m m m m m m kg = = + = + + = =-= = 2) The incoming velocity of a volleyball is +4.0 m/s. After being hit by the player, it changes its velocity to -20 m/s. The mass of the volleyball is 0.35 kg. What impulse does the player apply to the ball? ( 29 ( 29 f i J p m v v 0.35kg 20m / s 4m / s 8.4kgm / s = =-=--= -...
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