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Statement of a problem № 3164

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A ball moving with a speed of 9 m/s strikes an identical stationary ball such that after collision, the direction of each ball makes an angle 30° with the original line of motion (see Fig. 2.18). Find the speeds of the two balls after the collision. Is the kinetic energy conserved in the collision process?

Solution:
A ball moving with a speed of 9 m/s strikes an identical stationary ball such th

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