a 5.00 kg ball, moving to the right at a velocity of 2.00 m/s on the...

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Physics


a 5.00 kg ball, moving to the right at a velocity of 2.00 m/s onthe frictionless table, collide head on with a stationary 7.50 kgball. find the final velocities of the balls if the collision iselastic, completely inelastic the balls stick together

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3.5 Ratings (630 Votes)
For an elastic collision both kinetic energy and momentum must be conserved A good shortcut for elastic collisions is to look at it from the centre of mass reference frame and realize that the objects simply reverse velocities This satisfies conservation of momentum because velocity of centre of mass is conserved It satisfies conservation of kinetic energy because in    See Answer
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