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.
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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Please help I’m confused, show detail in step by step manner and mention formula and units used. Thanks
Transcribed Image Text: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.
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