(Answered) 1 an object slides down a frictionless inclined plane

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1. An object slides down a frictionless inclined plane tilted at 60 degrees to the horizontal. What is the magnitude of its acceleration? If released from rest, how far will it have travelled in 1.0s?

2. A ball, initially at y = +100m, is thrown directly upward with speed 10m/s. What will its position and velocity be 1.5s later, assuming down¬ward is positive?

Suppose you place two identical carts on an air track. Cart 1 you push so it is heading in the positive x direction with the an initial speed (vo). Cart 2 is at rest. After colliding elastically (no sticking together at all), what are the velocities of the two carts?

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