2. (25 points) Disk B (mg= 0.4 kg) is initially at rest on a frictionless horizontal surface. It is hit by disk A (mĄ= 0.1 kg) moving horizontally with a velocity of 4 m/s. After the collision, disk A has a velocity of 2 m/s at an angle of 43 degrees to the positive x-axis. Before Collision After Collision 2 mis 4 mis 43 m. =0.1 kg mg = 0.4 kg (a) (4 points) Is the linear momentum conserved during the collision? Justify your answer. (b) (15 points) What is the final velocity of disk B after the collision? Give both magnitude and direction.
2. (25 points) Disk B (mg= 0.4 kg) is initially at rest on a frictionless horizontal surface. It is hit by disk A (mĄ= 0.1 kg) moving horizontally with a velocity of 4 m/s. After the collision, disk A has a velocity of 2 m/s at an angle of 43 degrees to the positive x-axis. Before Collision After Collision 2 mis 4 mis 43 m. =0.1 kg mg = 0.4 kg (a) (4 points) Is the linear momentum conserved during the collision? Justify your answer. (b) (15 points) What is the final velocity of disk B after the collision? Give both magnitude and direction.
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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What is the final velocity of disk B after the collision? Give both
magnitude and direction.
Transcribed Image Text:2. (25 points) Disk B (mg= 0.4 kg) is initially at rest on a frictionless horizontal surface.
It is hit by disk A (mĄ= 0.1 kg) moving horizontally with a velocity of 4 m/s. After the
collision, disk A has a velocity of 2 m/s at an angle of 43 degrees to the positive x-axis.
Before Collision
After Collision
2 m/s
4 m/s
43°
m, = 0.1 kg
ma = 0.4 kg
(a) (4 points) Is the linear momentum conserved during the collision? Justify your
answer.
(b) (15 points) What is the final velocity of disk B after the collision? Give both
magnitude and direction.
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