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0.30 kg cart moves on an air track at 1.2 m/s.It collides with and sticks to another cart of mass 500 g,which was stationary before collision. What is the velocity of the combined carts after collision?

User Almo
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See the photo - hope it helps;)
0.30 kg cart moves on an air track at 1.2 m/s.It collides with and sticks to another-example-1
User DoronG
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