2.1A golf ball strikes a hard, smooth horizontal floor at an angle of 30.0° with the vertical and rebounds atthe same angle. The mass of the ball is 0.047 kg, and its speed is 45 m/s just before and after striking thefloor. Ignoring the weight of the ball, calculate the magnitude of the impulse applied to the golf ball bythe floor.2.2A water molecule consists of an oxygen atom and two hydrogen atoms. The two O-H bonds are each0.1 nm long and form an angle of 107 with each other. Where is the molecule's centre of mass located?Consider the mass of the oxygen atom to be 16 times the mass of a hydrogen atom, and place yourhydrogen atoms along the x-axis of your coordinate system. [Hint: Draw your coordinate system!].2.3An archer shoots an arrow towards a 300 g target that is sliding in her direction at a speed of 2.50 m/s ona smooth frictionless surface. The 22.5 g arrow is shot with a speed of 35 m/s and passes through thetarget without changing the mass of the target, which is stopped by the impact. Calculate the speed of thearrow after passing through the target.

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2.1 A golf ball strikes a hard, smooth horizontal floor at an angle of 30.0° with the vertical and rebounds at the same angle. The mass of the ball is 0.047 kg, and its speed is 45 m/s just before and after striking the floor. Ignoring the weight of the ball, calculate the magnitude of the impulse applied to the golf ball by the floor.

2.1 A golf ball strikes a hard, smooth horizontal floor at an angle of 30.0° with the vertical and rebounds at the same angle. The mass of the ball is 0.047 kg, and its speed is 45 m/s just before and after striking the floor. Ignoring the weight of the ball, calculate the magnitude of the impulse applied to the golf ball by the floor.

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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I. A lump of clay (m = 3.01 kg) is thrown towards a wall at speed v = 3.15 m/s. The lump sticks to the wall. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. II. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 3.15 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. III. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 2.24 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic…
Julia pass a basketball to her friend Luna by making a bounce pass. Julia throws a 0.60 kg basketball toward the floor at a speed of 7 m/s and at an angle of 65 degrees with respect to the vertical. If the ball rebounds with the same speed and angle towards Luna, calculate the impulse delivered to the ball by the floor. Choose up and away from Julia as your positive direction.
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