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.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 23P
Related questions
Question
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 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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d0ef6c8-13f4-4921-879e-cfcdf829e688%2F9310afc3-5aa8-4809-9af3-3590b8e183c2%2Fqlmqtoo_processed.png&w=3840&q=75)
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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