spring is attached
One end of a spring is attached to a solid wall while the other end just reaches to the edge of a horizontal frictionless table top, which is a distance h above the floor. A block of mass m is placed against the end of the spring and pushed toward the wall until the spring has been compressed a distance x, as show in the diagram. The block is released, followed the trajectory shown, and strives the floor a horizontal distance D from the edge of the table. Determine expressions for the following quantities in terms of M,X, D, h, and g.
a) the time elapsed from the instant the block leaves the table to the instant it strikes the floor
b) the horizontal component or the velocity of the block just before it strikes the floor
c) the work done on the block by the spring
d) the spring constant
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