Question1a 680-kg person throws a 00490-kg snowball forward

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Reference no: EM13350269

Question1

A 68.0-kg person throws a 0.0490-kg snowball forward with a ground speed of 32.0 m/s. A second person, with a mass of 59.0 kg, catches snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.10 m/s, and the second person is initially at rest. What are velocities of the two people after the snowball is exchanged? Disregard the friction between skates and ice.

Question2

A 27 kg chair initially at rest on a horizontal floor requires a 376 N horizontal force to set it in motion. Once the chair is in motion, a 339 N horizontal force keeps it moving at a stable velocity. The acceleration of gravity is 9.81 m/s^2. What is coefficient of static friction between the chair and the ?oor?

Question3

A 33 kg gun is standing on a frictionless surface. The gun fires a 45.7 g bullet with a muzzle velocity of 316 m/s. The positive direction is that of the bullet.

Compute the momentum of the bullet immediately after the gun was fired.

Reference no: EM13350269

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