College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 6.3, Problem 6.5QQ
A skater is using very low-friction rollerblades. A friend throws a Frisbee to her, on the straight line along which she is coasting. Describe each of the following events as an elastic, an inelastic, or a perfectly inelastic collision between the skater and the Frisbee. (a) She catches the Frisbee and holds it. (b) She tries to catch the Frisbee, but it bounces off her hands and falls to the ground in front of her. (c) She catches the Frisbee and immediately throws it back with the same speed (relative to the ground) to her friend.
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Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The
green disk is initially at rest and is struck by the orange disk moving initially to the right at v₁ = 3.25 m/s as in Figure a, shown
below. After the collision, the orange disk moves in a direction that makes an angle of 0 = 38.0° with the horizontal axis while the
green disk makes an angle of = 52.0° with this axis as in Figure b. Determine the speed of each disk after the collision.
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Before the collision
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After the collision
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Chapter 6 Solutions
College Physics
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