On a frictionless air track, a 0.150 kg glider moving at1.20 m/s to the right co

Question

On a frictionless air track, a 0.150 kg glider moving at1.20 m/s to the right collides with and sticks to a stationary0.250 kg glider. a)What is the net momentum of this two-glider system beforethe collision?                p=              kg.m/s b)What must be the net momentum of this system after thecollision?             p=         kg.m/s c)Why? d)Use your answers in Parts A and B to find the speed of thegliders after the collision.             v=            m/s On a frictionless air track, a 0.150 kg glider moving at1.20 m/s to the right collides with and sticks to a stationary0.250 kg glider. a)What is the net momentum of this two-glider system beforethe collision?                p=              kg.m/s b)What must be the net momentum of this system after thecollision?             p=         kg.m/s c)Why? d)Use your answers in Parts A and B to find the speed of thegliders after the collision.             v=            m/s

Explanation / Answer

a) The net momentum of this system beforce collision is                  P = (0.150kg)(1.20m/s) +0 c) The speed of the gliders after collision is            V= [ (0.150kg)(1.20m/s) +0] /(0.150 kg + 0.250 kg) b) The net momentum of this system after collisionis          Pf = (0.150kg + 0.250 kg) V substiute the values.

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