A 2.55 k g block on a horizontal floor is attached to a horizontal spring that i

Question

A 2.55kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320m . The spring has force constant 865N/m . The coefficient of kinetic friction between the floor and the block is 0.35 . The block and spring are released from rest and the block slides along the floor.

Part A What is the speed of the block when it has moved a distance of 0.0110m from its initial position? (At this point the spring is compressed 0.0210m .) Express your answer with the appropriate units. A 2.55kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320m . The spring has force constant 865N/m . The coefficient of kinetic friction between the floor and the block is 0.35 . The block and spring are released from rest and the block slides along the floor.

Part A What is the speed of the block when it has moved a distance of 0.0110m from its initial position? (At this point the spring is compressed 0.0210m .) Express your answer with the appropriate units. A 2.55kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320m . The spring has force constant 865N/m . The coefficient of kinetic friction between the floor and the block is 0.35 . The block and spring are released from rest and the block slides along the floor.

Part A What is the speed of the block when it has moved a distance of 0.0110m from its initial position? (At this point the spring is compressed 0.0210m .) Express your answer with the appropriate units. A 2.55kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320m . The spring has force constant 865N/m . The coefficient of kinetic friction between the floor and the block is 0.35 . The block and spring are released from rest and the block slides along the floor.

Part A What is the speed of the block when it has moved a distance of 0.0110m from its initial position? (At this point the spring is compressed 0.0210m .) Express your answer with the appropriate units. A 2.55kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320m . The spring has force constant 865N/m . The coefficient of kinetic friction between the floor and the block is 0.35 . The block and spring are released from rest and the block slides along the floor.

Part A What is the speed of the block when it has moved a distance of 0.0110m from its initial position? (At this point the spring is compressed 0.0210m .) Express your answer with the appropriate units. Part A What is the speed of the block when it has moved a distance of 0.0110m from its initial position? (At this point the spring is compressed 0.0210m .) Express your answer with the appropriate units.

Explanation / Answer

assume m = 2.55 kg
0.5*865*0.032*0.032 = 0.5*2.55*v*v + 0.35*2.55*9.8*0.011 + 0.5*865*0.011*0.011

V = 0.48 m/s

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