A block of mass m is launched by a spring of stiffness k compresse...

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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 (mass m M = 3m) that is itself free to slide without 3 friction on the surface (energy is conserved in M this problem). The block eventually reaches a WW maximum height (3), turns around, and slides back off (4). The diagrams show 4 instants. a. Find the speed of the block in frame 2. b. Find the speed of the block in frame 3. c. Find the speed of the block in frame 4 4 (2 4 is similar to an elastic collision). M d. Find the maximum height of the block m WWA on the ramp in frame 3. e. 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. For 2 4: Choice of System: the Block the Ramp the Block-Ramp Average Change in Horizontal Velocity of Center of Mass of ? Average Net Horizontal Force of ? Change in Horizontal Momentum of ? Total Non-Conservative Work Done on ? Change in Mechanical Energy of ? 1 M m m 2 M m WWA m 3 M m 4 M m

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