Physics, 30.03.2021 16:30, genyjoannerubiera

PLEASE HELP 20 POINTS A car of mass 700 kg and moving at a speed of 30 m/s collides with a stationary truck of mass 1400 kg, and the two vehicles lock together on impact. The combined velocity of the car and truck after the collision is m/s.

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PLEASE HELP 20 POINTS A car of mass 700 kg and moving at a speed of 30 m/s collides with a stationa...