Posted by **shelly** on Monday, June 9, 2008 at 10:14pm.

a block of mass 2 kg and block B of mass 8 kg are connected by a spring of spring constant 80 N/m and negligible mass. The system is being pulled to the right across a horizontal frictionless surface by a horizontal force 4 N with both blocks experiencing equal constant acceleration. calculate the force that the spring exerts on the 2 kg block. calculate the extension of the spring. the system is then pulled to the right with both blocks again experiencing equal constant acceleration. is the magnitude of the acceleration greater than, less than, or the same as before? is the amount the spring has stretched greater than, less than, or the same as before? in a new situation the blocks and springs are moving together at a constant speed of 0.5 m/s to the left. Block A then hits and sticks to a wall. calculate the miniumum compression of the spring.

- physics -
**Anonymous**, Wednesday, May 22, 2013 at 3:39pm
afsd

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