A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 45...
A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 45 cm diameter stone is spinning at 200 rpm and has a mass of 26 kg . The coefficient of kinetic friction between the knife and the stone is 0.20.
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A tradesman sharpens a knife by pushing it against the rim of a
grindstone. The 45...
You have a grindstone (a disk) that is 100 kg, has a 0.3 m radius, and...
You have a grindstone (a disk) that is 100 kg, has a 0.3 m radius, and is turning at 120 rpm, and you press a steel axe against it with a radial force of 15 N. (a) Assuming the kinetic coefficient of friction between steel and stone is 0.2, calculate the angular acceleration of the grindstone. (b) How many turns will the stone make before coming to rest?
Q.You have a grindstone (a disk) that is 91.0 kg, has a 0.280-m radius, and is...
Q.You have a grindstone (a disk) that is 91.0 kg, has a 0.280-m radius, and is turning at 65.0 rpm, and you press a steel axe against it with a radial force of 13.0 N. A. Assuming the kinetic coefficient of friction between steel and stone is 0.10, calculate the angular acceleration (in rad/s2) of the grindstone. (Indicate the direction with the sign of your answer.) B. How many turns (in rev) will the stone make before coming to rest?
You have a grindstone (a disk) that is 88.0 kg, has a 0.490-m radius, and is...
You have a grindstone (a disk) that is 88.0 kg, has a 0.490-m radius, and is turning at 95.0 rpm, and you press a steel axe against it with a radial force of 21.0 N. (a)Assuming the kinetic coefficient of friction between steel and stone is 0.50, calculate the angular acceleration (in rad/s2) of the grindstone. (Indicate the direction with the sign of your answer.) ____________rad/s2 (b)How many turns (in rev) will the stone make before coming to rest? _____________...
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass...
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 800 rev/min. You press an axe against the rim with a normal force of 160 N (see the figure below), and the grindstone comes to rest in 7.00 S. (Figure 1) Part A Find the coefficient of kinetic friction between the axe and the grindstone. There is negligible friction in the bearings Express your answer to three significant...
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass...
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 850 rev/min . You press an axe against the rim with a normal force of 160 N (see the figure below), and the grindstone comes to rest in 8.50 s. (Figure 1) Part A Find the coefficient of kinetic friction between the axe and the grindstone. There is negligible friction in the bearings. Express your answer to three...
10.3 Angular Acceleration Part A You have a grindstone (a disk) that is 110 kg, has...
10.3 Angular Acceleration Part A You have a grindstone (a disk) that is 110 kg, has a 0.405-m radius, and is turning at 72.0 rpm, and you press a steel axe against it with a radial force of 18.4 N. Assuming the kinetic coefficient of friction between steel and stone is 0.228, calculate the angular acceleration of the grindstone. ахе Incorrect. T1/5 Previous Tries Submit Answer Part B How many turns will the stone make before coming to rest? (You...
Constants Part A A solid, uniform cylinder with mass 8.30 kg and diameter 19.0 cm is...
Constants Part A A solid, uniform cylinder with mass 8.30 kg and diameter 19.0 cm is spinning with angular velocity 205 rpm on a thin, frictionless axle that passes along the cylinder axis. You design a simple friction- brake to stop the cylinder by pressing the brake against the outer rim with a normal force. The coefficient of kinetic friction between the brake and rim is 0.345. What must the applied normal force be to bring the cylinder to rest...
A piece of metal is pressed against the rim of a 3.4- kg, 24- cm-diameter grinding...
A piece of metal is pressed against the rim of a 3.4- kg, 24- cm-diameter grinding wheel that is turning at 2800 rpm. The metal has a coefficient of friction of 0.70 with respect to the wheel. When the motor is cut off, with how much force must you press to stop the wheel in 20.0 s?
please show work (c9p42) A piece of metal is pressed against the rim of a 2.4-...
please show work
(c9p42) A piece of metal is pressed against the rim of a 2.4- kg, 18- cm-diameter grinding wheel that is turning at 2800 rpm. The metal has a coefficient of friction of 0.75 with respect to the wheel. When the motor is cut off, with how much force must you press to stop the wheel in 20.0 s? 4.6N Submit Answer Incorrect. Tries 1/10 Previous Tries
Class Management Help HW 08 (Topic 8) Begin Date: 6/14/2018 1:00:00 PM-Due Date: 6/25/2018 11:24:00 PM...
Class Management Help HW 08 (Topic 8) Begin Date: 6/14/2018 1:00:00 PM-Due Date: 6/25/2018 11:24:00 PM End Date: ?252018?? 2400 PM (8%) Problem 9: You have a horizontal grindstone (a disk) that is 87 kg, has a 0.32 m radius, is turning at 94 rpm (in the positive direction), and you press a steel axe against the edge with a force of 18 N in the radial direction Otheexpertta.com e 50% Part (a) Assuming that the kinetic coefficient of friction...
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 800 rev/min. You press an axe against the rim with a normal force of 160 N (see the figure below), and the grindstone comes to rest in 7.00 S. (Figure 1) Part A Find the coefficient of kinetic friction between the axe and the grindstone. There is negligible friction in the bearings Express your answer to three significant...
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 850 rev/min . You press an axe against the rim with a normal force of 160 N (see the figure below), and the grindstone comes to rest in 8.50 s. (Figure 1) Part A Find the coefficient of kinetic friction between the axe and the grindstone. There is negligible friction in the bearings. Express your answer to three...
10.3 Angular Acceleration Part A You have a grindstone (a disk) that is 110 kg, has a 0.405-m radius, and is turning at 72.0 rpm, and you press a steel axe against it with a radial force of 18.4 N. Assuming the kinetic coefficient of friction between steel and stone is 0.228, calculate the angular acceleration of the grindstone. ахе Incorrect. T1/5 Previous Tries Submit Answer Part B How many turns will the stone make before coming to rest? (You...
Constants Part A A solid, uniform cylinder with mass 8.30 kg and diameter 19.0 cm is spinning with angular velocity 205 rpm on a thin, frictionless axle that passes along the cylinder axis. You design a simple friction- brake to stop the cylinder by pressing the brake against the outer rim with a normal force. The coefficient of kinetic friction between the brake and rim is 0.345. What must the applied normal force be to bring the cylinder to rest...
please show work
(c9p42) A piece of metal is pressed against the rim of a 2.4- kg, 18- cm-diameter grinding wheel that is turning at 2800 rpm. The metal has a coefficient of friction of 0.75 with respect to the wheel. When the motor is cut off, with how much force must you press to stop the wheel in 20.0 s? 4.6N Submit Answer Incorrect. Tries 1/10 Previous Tries
Class Management Help HW 08 (Topic 8) Begin Date: 6/14/2018 1:00:00 PM-Due Date: 6/25/2018 11:24:00 PM End Date: ?252018?? 2400 PM (8%) Problem 9: You have a horizontal grindstone (a disk) that is 87 kg, has a 0.32 m radius, is turning at 94 rpm (in the positive direction), and you press a steel axe against the edge with a force of 18 N in the radial direction Otheexpertta.com e 50% Part (a) Assuming that the kinetic coefficient of friction...
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