A block of mass m is launched by a spring of stiffness k compressed a distance x

Question

A block of mass m is launched by a spring of stiffness k compressed a distance x (1) and slides across a frictionless surface (2). It is caught by a curved frictionless ramp (M > M) that is itself free to slide without friction on the surface (energy is conserved in this problem). The block eventually reaches a maximum height (3), turns around, and slides back off (4). The diagrams show 4 instants. Find the speed of the block in frame 2. Find the speed of the block in frame 3. Find the speed of the block in frame 4 (2 4 is similar to an elastic collision). Find the maximum height of the block on the ramp in frame 3. In the table below fill in the correct sign (+,-, or 0) for each of the quantities listed for the interaction occurring only from frames 2 to 4. Take up and right as positive.

Explanation / Answer

A block of mass m is launched by a spring of stiffness k compressed a distance x

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