A 0.410kg block is attached to a horizontal spring that is, Ask an Expert

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Q. A 0.410kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 22.0N/m . The block rests on a frictionless surface. A 6.00×10^2kg wad of putty is thrown horizontally at the block, hitting it with a speed of 2.10 m/s and sticking.

Q. Air in a cylinder is compressed to one-ninth its original volume with no change in temperature. If a valve is opened to let out enough air to bring the pressure back down to its original value, what percentage of the molecules escape?

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