Physics

Problem

Carts P (

0.50\,\text{kg}

) and Q (

1.0\,\text{kg}

) collide on a frictionless track. Cart P is moving toward Q; cart Q is initially at rest. After the collision the two carts stick together and move with a common speed of

2.0\,\text{m}\,\text{s}^{-1}

. Calculate the initial speed of cart P. a)

4.0\,\text{m s}^{-1}

6.0\,\text{m s}^{-1}

3.5\,\text{m s}^{-1}

9.0\,\text{m s}^{-1}

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