Two 2.0kg trolleys collide and stick together on a smooth, horizontal surface. One trolley is at rest before the collision and the other is initially moving at 20cm/s, as shown in the figure.
Two 2.0kg trolleys collide and stick together on a smooth, horizontal surface. One trolley is at rest before the collision and the other is initially moving at 20cm/s, as shown in the figure.
What is the figure? Is there more to the question?!
What have you tried so far? Have you drawn a diagram?