A cart of mass m = 0.12kg moves with a speed of v = 0.45 m>s on a frictionless air track and collides with an identical cart that is stationary. The carts stick together after the collision. What are (a) the initial kinetic energy and (b) the final kinetic energy of the system?
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A cart of mass m = 0.12kg moves with a speed of v = 0.45 m>s on a frictionless air track and coll...
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