Asked by anna
a trolley of mass 200kg is travelling north at 2m\s. It collides head on with a second trolley of mass 500kg which is travelling south with a velocity of 5 m\s and they remain coupled together.
a)calculate the velocity of the two trolleys after collision.
b)what is the direction of motion of the trolley after collison?
a)calculate the velocity of the two trolleys after collision.
b)what is the direction of motion of the trolley after collison?
Answers
Answered by
bobpursley
conservation of momentum
200*2N+500*5S=(700)V
400N-2500N=700V
solve for V. A negative N means S
200*2N+500*5S=(700)V
400N-2500N=700V
solve for V. A negative N means S
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