Homework Help: physics

Posted by kim on Monday, December 6, 2010 at 3:24pm.

block a of mass 4kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650n/m. the other end of the spring is attacked to a wall. the block is pushed toward the wall until the spring has been compressed a distance x. the block is released and follows the trajectory falling 0.80m vertically and stricking a target on the floor that is a horizontal distance of 1.3 m from the edge of the table. air resistance is negligible. A). calculate the time elapsed from the instant block A leaves the table to the instant it strikes the floor. B)calculate the speen of the block as it leaves the table. C)calculate the distance x the spring was ccompressed.

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