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A ball with a mass of 1.1 kg is initially at rest. It is struck by...

A ball with a mass of 1.1 kg is initially at rest. It is struck by a second ball having a mass of 1.3 kg, initially moving with a velocity of 3.5 m/s toward the right along the x axis. After the collision, the 1.3 kg ball has a velocity of 2.7 m/s at an angle of 35? above the x axis in the first quadrant. Both balls move on a frictionless, horizontal surface. Do not assume that the collision between the two balls is elastic.

(a) What is the velocity (its magnitude and direction) of the 1.1 kg ball after the collision?

(b) What is the change in the total kinetic energy of the two balls as a result of the collision?

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