1. Greg throws a small lump of clay at a larger block of clay, which is at reston a horizontal surface. The small lump has a mass of 24.0 grams. The block has a mass of 65.0 grams. The lump sticks to the block, and together they slide 1.20 m before stopping. If the speed of the lump before the collision is 5.25 m/s, what is the coefficient of friction between the clay at the surface? 2. Amelia rolls a 6.5 kg bowling ball, which hits a 1.6 kg stationary bowling pin. The ball continues forward with a velocity of 2.8 m/s. The pin flies forward (same direction as ball) with a velocity of 4.8 m/s. A. What was the original velocity of the bowling ball? B. Is this collision elastic or inelastic? Justify your answer. 3. A meterstick is on a knife-edge clamp placed at the 50 cm mark. Three equal masses m are located at the 15 cm mark, the 45 cm mark, and the 95 cm mark, respectively. A. What is the support force exerted by the clamp? Give answer in terms of mass m. B. Where should a fourth mass 2m be located on the meterstick so that the system is balanced horizontally in equilibrium?

1. Greg throws a small lump of clay at a larger block of clay, which is at reston a horizontal surface. The small lump has a mass of 24.0 grams. The block has a mass of 65.0 grams. The lump sticks to the block, and together they slide 1.20 m before stopping. If the speed of the lump before the collision is 5.25 m/s, what is the coefficient of friction between the clay at the surface? 2. Amelia rolls a 6.5 kg bowling ball, which hits a 1.6 kg stationary bowling pin. The ball continues forward with a velocity of 2.8 m/s. The pin flies forward (same direction as ball) with a velocity of 4.8 m/s. A. What was the original velocity of the bowling ball? B. Is this collision elastic or inelastic? Justify your answer. 3. A meterstick is on a knife-edge clamp placed at the 50 cm mark. Three equal masses m are located at the 15 cm mark, the 45 cm mark, and the 95 cm mark, respectively. A. What is the support force exerted by the clamp? Give answer in terms of mass m. B. Where should a fourth mass 2m be located on the meterstick so that the system is balanced horizontally in equilibrium?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 31P: a man of mass m1 = 70.0 kg is skating at v1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is...

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Question

1. Greg throws a small lump of clay at a larger block of clay, which is at reston a horizontal surface.
The small lump has a mass of 24.0 grams. The block has a mass of 65.0 grams. The lump sticks
to the block, and together they slide 1.20 m before stopping. If the speed of the lump before
the collision is 5.25 m/s, what is the coefficient of friction between the clay at the surface?
2. Amelia rolls a 6.5 kg bowling ball, which hits a 1.6 kg stationary bowling pin. The ball continues
forward with a velocity of 2.8 m/s. The pin flies forward (same direction as ball) with a velocity
of 4.8 m/s.
A. What was the original velocity of the bowling ball?
B. Is this collision elastic or inelastic? Justify your answer.
3. A meterstick is on a knife-edge clamp placed at the 50 cm mark. Three equal masses m are
located at the 15 cm mark, the 45 cm mark, and the 95 cm mark, respectively.
A. What is the support force exerted by the clamp? Give answer in terms of mass m.
B. Where should a fourth mass 2m be located on the meterstick so that the system is balanced
horizontally in equilibrium?

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