A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path, determine

a. the speed of the first ball after the collision.

b. the speed and direction of the second ball after the collision.

Could someone help with this? the final answers that I get are V1'=1.6m/s and V2'=1.4 m/s 35 degrees below the horizontal.

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