science

a body B moving a velocity of 20m/s collid with anothet body A moving in the same direction on the same horzontal line with a velocity of 10m/s, if the of body A is three time the same of body B and the collion perfectly elastic calculate the velocity of A and aftet the collision, calculate the velocity of B telative to that of A after the collisul

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asked by manbud
  1. There are too many errors in your problem. Please retype.

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    posted by Henry

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