Initial speed should the block have to compress the spring

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Reference no: EM13651122

A 2.9-kg block slides with a speed of 1.6m/s on a  frictionless horizontal surface until it encounters a spring.(a)if the block compreses the spring 4.8cm before coming to rest,what is the force constant of the spring?(b)What initial speed should the block have to compress the spring by 1.2cm?

Reference no: EM13651122

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