A 2.75 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 850 N/m. The coefficient of kinetic friction between the floor and the block is 0.450. 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 0.0180 m from its initial position? (At this point the spring is compressed 0.0140 m.) Express your answer with the appropriate units. V = μA Value Units

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Chapter1: Units, Trigonometry. And Vectors
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A small rock with mass 0.24 kg is released from rest at
point A, which is at the top edge of a large,
hemispherical bowl with radius R = 0.42 m (Figure 1).
Assume that the size of the rock is small compared to R,
so that the rock can be treated as a particle, and assume
that the rock slides rather than rolls. The work done by
friction on the rock when it moves from point A to point
B at the bottom of the bowl has magnitude 0.22 J.
Transcribed Image Text:A small rock with mass 0.24 kg is released from rest at point A, which is at the top edge of a large, hemispherical bowl with radius R = 0.42 m (Figure 1). Assume that the size of the rock is small compared to R, so that the rock can be treated as a particle, and assume that the rock slides rather than rolls. The work done by friction on the rock when it moves from point A to point B at the bottom of the bowl has magnitude 0.22 J.
A 2.75 kg block on a horizontal floor is attached to
a horizontal spring that is initially compressed
0.0320 m. The spring has force constant
850 N/m. The coefficient of kinetic friction
between the floor and the block is 0.450. 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 0.0180 m from its initial position? (At this point the spring
is compressed 0.0140 m.)
Express your answer with the appropriate units.
V =
μÂ
Value
Units
?
Transcribed Image Text:A 2.75 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 850 N/m. The coefficient of kinetic friction between the floor and the block is 0.450. 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 0.0180 m from its initial position? (At this point the spring is compressed 0.0140 m.) Express your answer with the appropriate units. V = μ Value Units ?
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