3) A 2-kg ball is thrown straight down at 2 m/s from a height of 2 m and eventually hits a 3-kg ball that is going straight up with a speed of 10 m/s. This collision occurs when the 2-kg ball reaches a y-position of 0 m. a) What is the speed of the 2-kg when it reaches a y-position of 0 m? Must use the conservation of energy b) Assuming the collision between these balls in inelastic, what is the final velocity of the system after they collide? Hint: Do not use 2 m/s for the initial velocity of the 2-kg ball. Also, be careful with the signs of your velocities.
3) A 2-kg ball is thrown straight down at 2 m/s from a height of 2 m and eventually hits a 3-kg ball that is going straight up with a speed of 10 m/s. This collision occurs when the 2-kg ball reaches a y-position of 0 m. a) What is the speed of the 2-kg when it reaches a y-position of 0 m? Must use the conservation of energy b) Assuming the collision between these balls in inelastic, what is the final velocity of the system after they collide? Hint: Do not use 2 m/s for the initial velocity of the 2-kg ball. Also, be careful with the signs of your velocities.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 9.41P: A billiard ball moving at 5.00 m/s strikes a stationary ball of the same mass. After the collision,...
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