Three carts of masses m1 = 4.00 kg, m2 = 10.0 kg, and m3 = 3.00 kg move on a frictionless, horizontal track with speeds of v1 = 5.00 m/s to the right, v2 = 3.00 m/s to the right, and v3 = 4.00 m/s to the left as shown. velcro couplers make the carts stick together after colliding. find the final velocity of the train of three carts

Question

Annika Dyer

Physics

26 August, 23:16

Three carts of masses m1 = 4.00 kg, m2 = 10.0 kg, and m3 = 3.00 kg move on a frictionless, horizontal track with speeds of v1 = 5.00 m/s to the right, v2 = 3.00 m/s to the right, and v3 = 4.00 m/s to the left as shown. velcro couplers make the carts stick together after colliding. find the final velocity of the train of three carts

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Heidy Hebert · Answer 1

his uses conservation of momentum, where momentum before equals momentum after

Momentum = M*V

4kg (5m/s) + 10kg (3m/s) + 3kg (4m/s) = (4kg+10 ...

20Ns+30Ns+12Ns=17kg (v)

62Ns=17kg (v)

v=3.65 m/s