Object X moves to the right along a frictionless surface towards a stationary object Y
They make a noise as they collide and then both objects move to the right.
Which equation is correct
A. Change in momentum of X = change in momentum of Y
B. Impluse of force acting on X = impluse of force acting on Y
C. Kinetic energy of X befre collision = (kinetic energy of X + Kinetic energy of Y) after collision
D. Momentum of X before collision = (Momentum of X + momentum of Y) after collision.
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Answer:
page no 19 var ahe and maths 2
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