Question: I A two kg block is initially held agaist a spring of constamt kappa =1230(N)/(m) that is compremocd by 120cm , as shown. At the

I A two

kg

block is initially held agaist a spring of constamt

\\\\kappa =1230(N)/(m)

that is compremocd by

120cm

, as shown. At the bottom of the frictionless ramp, the block euters a rough surface. If

2.25m

from the bave of the ramp, the btock has a kinetio eericy

KE=5.5J

what is the coefficient of kinetic friction between the block and the rough surface?\

\\\\Delta x=12em

I A two kg block is initially held agaist a spring

3. A rwo kg block is initially held agaist a spring of constant =1230N/m that is comprenocd bo 120cm, as shown. At the bottom of the frictionless ramp, the block euters a rough strlace. If 225 in from the buse of the ramp, the block has a kimetion fericy KE=5.5J. what is the coefficient of kinetic friction between the block and the rough surface? x=12cm

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