2. A block of mass 0.25 kg is pushed against a spring of spring constant 80 N/m. It can slide without friction along a board tilted at an angle 30º above horizontal. Initially the block is released from rest when the spring is compressed by a distance 0.3 m. a. What is the speed of the block when the block loses contact with the spring? This occurs when the spring is back to its relaxed length. 0 1.
2. A block of mass 0.25 kg is pushed against a spring of spring constant 80 N/m. It can slide without friction along a board tilted at an angle 30º above horizontal. Initially the block is released from rest when the spring is compressed by a distance 0.3 m. a. What is the speed of the block when the block loses contact with the spring? This occurs when the spring is back to its relaxed length. 0 1.
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