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2. A 1.25-kg block is initially pressed in N850-N) spring and is set to move down...
6. A 5-kg block is pressed against a spring near the bottom of a 30° inclined...
6. A 5-kg block is pressed against a spring near the bottom of a 30° inclined plane. The spring, (spring constant 450 N/m) is compressed by 0.50 m.When released, the spring projects the block toward the top of the incline. The coefficient of kinetic friction between the block and the inclined plane is 0.3. (a) What is the speed of the block at the instant the block first returns to its equilibrium length? ans [3.9 m/s] (b) Calculate the speed...
A 12-kg block is pressed against a spring (spring constant 620 N/mN/m ), compressing it some...
A 12-kg block is pressed against a spring (spring constant 620 N/mN/m ), compressing it some distance. The block is released from rest and slides across a track as shown in (Figure 1). While most of the track is frictionless, there is a 55-cm section of track that has a coefficient of friction with the block of 0.3. A bit further on, the track ascends into a hill that is 40-cm tall. Part A: What is the minimum compression of...
A 195 g block is pressed against a spring of force constant 1.60 kN/m until the block compresses the spring 10.0 cm.
A 195 g block is pressed against a spring of force constant 1.60 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up the incline in m) the block moves from its initial position before it stops under the following conditions. (a) if the ramp exerts no friction force on the block (b) if the coefficient of kinetic friction is 0.360...
A 12 kg block is pressed against a spring with spring constant k = 1424 N/m....
A 12 kg block is pressed against a spring with spring constant k = 1424 N/m. The spring is normally 65 cm long but the block is pressed against it to compress the spring until it is only 27 cm long. The block is then released and the spring pushes it forward onto a frictionless surface. a)How fast is the block moving immediately after it leaves the spring? b) The mass then slides across a 2.5 m wide surface with...
A 2.65 kg block on a horizontal floor is attached to a horizontal spring that is...
A 2.65 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0300 m . The spring has force constant 830 N/m . The coefficient of kinetic friction between the floor and the block is 0.45 . The block and spring are released from rest and the block slides along the floor. What is the speed of the block when it has moved a distance of 0.0170 m from its initial position? (At this...
A 2.25 kg block on a horizontal floor is attached to a horizontal spring that is...
A 2.25 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0400 m . The spring has force constant 890 N/m . The coefficient of kinetic friction between the floor and the block is 0.38 . The block and spring are released from rest and the block slides along the floor. What is the speed of the block when it has moved a distance of 0.0200 m from its initial position? (At this...
A 2.65 kg block on a horizontal floor is attached to a horizontal spring that is...
A 2.65 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0400 m . The spring has force constant 820 N/m . The coefficient of kinetic friction between the floor and the block is 0.41 . The block and spring are released from rest and the block slides along the floor. What is the speed of the block when it has moved a distance of 0.0140 m from its initial position? (At this...
A 2.65 kg block on a horizontal floor is attached to a horizontal spring that is...
A 2.65 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0380 m . The spring has force constant 810 N/m . The coefficient of kinetic friction between the floor and the block is 0.42 . The block and spring are released from rest and the block slides along the floor. What is the speed of the block when it has moved a distance of 0.0200 m from its initial position? (At this...
A 3.00 kg block on a horizontal floor is attached to a horizontal spring that is...
A 3.00 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0400 m. The spring has force constant 860 N/m . The coefficient of kinetic friction between the floor and the block is 0.410. The block and spring are released from rest and the block slides along the floor. What is the speed of the block when it has moved a distance of 0.0170 m from its initial position? (At this point the...
A 1.25 kg block is attached to a spring with spring constant 17 N/m. While the block is sitting...
A 1.25 kg block is attached to a spring with spring constant 17 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneouslygives it a speed of 35 cm/s. What is the block's speed at the point where x= 0.45 A?
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