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A block with mass 0.5kg is forced against a horizontal spring of negligible mass, compressing the spring a distance of 0.2m. when the spring is released, the block moves on a horizontal tabletop for 1.00 m before coming to rest. the force constant k is 100n/m. what is the coefficient of kinetic friction μk between the block and the tabletop?

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nicholasudoye
A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs. 
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