Asked by Ethel
A car x of mass 1000kg traveling at a speed of 20m/s in the direction due east collides head on with a car y of mass1500kg traveling at 15m/s in a direction due west . If the two cars stick together find their common velocity after collision.
Answers
Answered by
oobleck
conserve momentum
If east is the + direction, then we have
1000(+20) + 1500(-15) = (1000+1500)v
Now just solve for v.
If east is the + direction, then we have
1000(+20) + 1500(-15) = (1000+1500)v
Now just solve for v.
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