Two balls with masses 3 kg and 2 kg move toward each other, collide head-on, and stick together after the collision (a perfectly inelastic collision). Before the collision the 3-kg ball moves with a speed of 5 m/s and the 2-kg ball moves with a speed of 10 m/s. Neglect friction. See the figure above. What is the velocity of the balls after the collision? a. -2 m/s b. -1 m/s c. 3 m/s d. 5 m/s
Two balls with masses 3 kg and 2 kg move toward each other, collide head-on, and stick together after the collision (a perfectly inelastic collision). Before the collision the 3-kg ball moves with a speed of 5 m/s and the 2-kg ball moves with a speed of 10 m/s. Neglect friction. See the figure above. What is the velocity of the balls after the collision? a. -2 m/s b. -1 m/s c. 3 m/s d. 5 m/s
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 24P: What is the average momentum of a 70.0-kg sprinter who runs the 100-m dash in 9.65 s?
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Two balls with masses 3 kg and 2 kg move toward each other, collide head-on, and stick together after the collision (a perfectly inelastic collision). Before the collision the 3-kg ball moves with a speed of 5 m/s and the 2-kg ball moves with a speed of 10 m/s. Neglect friction. See the figure above.
What is the velocity of the balls after the collision?
a. |
-2 m/s |
|
b. |
-1 m/s |
|
c. |
3 m/s |
|
d. |
5 m/s |
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