1. Consider two objects of equal mass m, heading directly for each other. The first object has velocity v, and the second a velocity v2. Answer the questions below in terms of m, v1, and v2. A) What is the total momentum P of the system of these two objects? B) What is the center of momentum (COM) velocity vcom of the system? C) In the center of momentum (COM) frame, what are the velocities of each object? D) If the two objects undergo an elastic collision, what are each of their velocities after the collision in the COM frame? [Recall our assumptions about elastic collisions in class.] E) What are each of their velocities after the collision in the original frame?

University Physics Volume 1
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Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 34P: A ball of mass 250 g is thrown with an initial velocity of 25 m/s at an angle of 30 with the...
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Questions D and E
Consider two objects of equal mass m, heading directly for each other. The first object has
velocity v, and the second a velocity v2. Answer the questions below in terms of m, v1, and v2.
1.
A) What is the total momentum P of the system of these two objects?
B) What is the center of momentum (COM) velocity vcom of the system?
C) In the center of momentum (COM) frame, what are the velocities of each object?
D) If the two objects undergo an elastic collision, what are each of their velocities after the
collision in the COM frame? [Recall our assumptions about elastic collisions in class.]
E) What are each of their velocities after the collision in the original frame?
Transcribed Image Text:Consider two objects of equal mass m, heading directly for each other. The first object has velocity v, and the second a velocity v2. Answer the questions below in terms of m, v1, and v2. 1. A) What is the total momentum P of the system of these two objects? B) What is the center of momentum (COM) velocity vcom of the system? C) In the center of momentum (COM) frame, what are the velocities of each object? D) If the two objects undergo an elastic collision, what are each of their velocities after the collision in the COM frame? [Recall our assumptions about elastic collisions in class.] E) What are each of their velocities after the collision in the original frame?
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