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Block Ahas mass 1.00 kg, and block B has mass 3.00 kg. The blocks are forced together, compressing a spring S between them; then the system is released from rest on a level, frictionless surface. The spring, which has negligible mass, is not fastened to either block and drops to the surface after it has expanded. Block Bacquires a speed of 1.30m/s .
A. What is the final speed of block A?
B. How much potential energy was stored in the compressed spring?
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How fast should the car be traveling just as it leaves the cliff in order to just clear the river and land safely on the opposite side?
An empty boat is placed in a freshwater lake and a mark is painted on the hull at the waterline, a line corresponding to the surface of the water when the vessel is floating upright, where is the new waterline mark located on hull of the boat
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