Two objects, A and B, both with a mass of 2 kg, collide. The velocities before the collision are ViA =15i + 30j m/s, – 10i + 5j m/s, (3) (4) ViR = - After the collision, object A has a final velocity -5i + 20j m/s. (5) What is (a) the final velocity of B? and (b) the change in the total kinetic energy of the system (including sign)?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 25P: An object of mass 3.00 kg, moving with an initial velocity of 5.00im/s, collides with and sticks to...
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Problem 3
Two objects, A and B, both with a mass of 2 kg, collide. The velocities before the collision
are
ViA =15i + 30j m/s,
ViB = – 10i + 5j m/s,
(3)
(4)
After the collision, object A has a final velocity
VƒA =
-5i+ 20j m/s.
(5)
What is
(a) the final velocity of B?
and
(b) the change in the total kinetic energy of the system (including sign)?
Transcribed Image Text:Problem 3 Two objects, A and B, both with a mass of 2 kg, collide. The velocities before the collision are ViA =15i + 30j m/s, ViB = – 10i + 5j m/s, (3) (4) After the collision, object A has a final velocity VƒA = -5i+ 20j m/s. (5) What is (a) the final velocity of B? and (b) the change in the total kinetic energy of the system (including sign)?
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