Asked by Johnathon
A 0.060 kg tennis ball, moving with a speed of 7.00 m/s has a head-on collision with a 0.086 kg ball initially moving in the same direction at a speed of 3.10 m/s. Assume a perfectly elastic collision and take the initial direction of the balls as positive.
Answers
Answered by
bobpursley
you have two equations:
first, conservation of momentum. Solve for one ball's final velocity in terms of the other.
then write conservation of eneryg. Substiture your first velocity, then expand it,and solve. A bit of algebra is required.
first, conservation of momentum. Solve for one ball's final velocity in terms of the other.
then write conservation of eneryg. Substiture your first velocity, then expand it,and solve. A bit of algebra is required.
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