A 260 g block is dropped onto arelaxed vertical spring that, Ask an Expert

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A 260 g block is dropped onto arelaxed vertical spring that has a spring constant of k =2.5 N/cm. The block becomes attached to the spring and compresses the spring 11 cm before momentarily stopping.

What is the speed of the block just beforeit hits the spring? (Assume that friction is negligible.)
If the speed at impact is doubled, what is the maximumcompression of the spring?

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Category:- Physics
Reference No.:- M91100402

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