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d= 10 cm Vred Vo 45° 45° Volue

d= 10 cm Vred Vo 45° 45° Volue

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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H = 0 d= 10 cm red Vo 45° 45° Volue
Transcribed Image Text:H = 0 d= 10 cm red Vo 45° 45° Volue
An air hockey player is trying to hit a trick shot: they hit the blue puck at the red puck and both ricochet at an angle of 45° to the horizontal. The red puck then hits the green puck into the goal, a distance 10 cm away. The air hockey table is frictionless, other than in the small patch shown between the green puck and the goal, which has a coefficient of friction of 0.197. The blue puck is initially hit horizontally with a velocity of 2.08 m/s and every puck has a mass of 193 grams. Assume g = 10 m/s?. a) Find the magnitudes of the velocities of the blue puck and the red puck after they collide. b) Is this collision elastic? Show this explicitly. c) After the red puck collides with the green puck, it stops moving. What is the velocity of the green puck after this collision (magnitude and direction)? d) Will the green puck have enough speed to reach the goal?
Transcribed Image Text:An air hockey player is trying to hit a trick shot: they hit the blue puck at the red puck and both ricochet at an angle of 45° to the horizontal. The red puck then hits the green puck into the goal, a distance 10 cm away. The air hockey table is frictionless, other than in the small patch shown between the green puck and the goal, which has a coefficient of friction of 0.197. The blue puck is initially hit horizontally with a velocity of 2.08 m/s and every puck has a mass of 193 grams. Assume g = 10 m/s?. a) Find the magnitudes of the velocities of the blue puck and the red puck after they collide. b) Is this collision elastic? Show this explicitly. c) After the red puck collides with the green puck, it stops moving. What is the velocity of the green puck after this collision (magnitude and direction)? d) Will the green puck have enough speed to reach the goal?
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