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?
Homework Answers
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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 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? _____________...
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?
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...
Part b (10%) Problem 2: You have a horizontal grindstone (a disk) that is 93 kg,...
Part b
(10%) Problem 2: You have a horizontal grindstone (a disk) that is 93 kg, has a 0.36 m radius, is turning at 95 rpm (in the positive direction), and you press a steel axe against the edge with a force of 25 N in the radial direction. Otheexpertta.com ? 50% Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 020 calculate the angular acceleration of the one in rad/s2 at 50% Part (b)...
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...
11.39 00 PM End Date: 4/22/2019 ( 10%) Problem 10: 1159:00 PMM You have a horizontal...
11.39 00 PM End Date: 4/22/2019 ( 10%) Problem 10: 1159:00 PMM You have a horizontal grindstone (a disk) that is 86 kg, has a 0.32 m radius, is turning at 93 rpm (in the positive direction), and you press a steel axe against the edge with a force of 18 N in the radial direction ed Otheexpertta.com ed 50% Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 0.20 calculate the angular acceleration of...
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...
Suppose you exert a force of 190 N tangential to the outer edge of a 1.585-m radius 75.5-kg grindstone (which is a solid...
Suppose you exert a force of 190 N tangential to the outer edge
of a 1.585-m radius 75.5-kg grindstone (which is a solid disk).
a. What is the torque τ, in newton meters, you are
exerting on the grindstone, relative to the center of mass of the
grindstone? (I believe the answer is
301.15)
b. What is the angular acceleration of the grindstone
α0, in radians per square second, assuming
negligible friction?
c. What is the angular acceleration of the...
A solid disk with a mass of 40 kg and a radius of 0.6 m can...
A solid disk with a mass of 40 kg and a radius of 0.6 m can
rotate around an
axis through its center, perpendicular to the disk surface. At
time t = 0 s, the
disk is not turning. It has a constant angular acceleration ↵
and by t = 20 s it
has completed 500 complete turns.
Calculate the angular acceleration ↵.
Calculate the angular velocity ! at t = 20 s.
Calculate the rotational kinetic energy at t...
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...
Part b
(10%) Problem 2: You have a horizontal grindstone (a disk) that is 93 kg, has a 0.36 m radius, is turning at 95 rpm (in the positive direction), and you press a steel axe against the edge with a force of 25 N in the radial direction. Otheexpertta.com ? 50% Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 020 calculate the angular acceleration of the one in rad/s2 at 50% Part (b)...
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...
11.39 00 PM End Date: 4/22/2019 ( 10%) Problem 10: 1159:00 PMM You have a horizontal grindstone (a disk) that is 86 kg, has a 0.32 m radius, is turning at 93 rpm (in the positive direction), and you press a steel axe against the edge with a force of 18 N in the radial direction ed Otheexpertta.com ed 50% Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 0.20 calculate the angular acceleration of...
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...
Suppose you exert a force of 190 N tangential to the outer edge
of a 1.585-m radius 75.5-kg grindstone (which is a solid disk).
a. What is the torque τ, in newton meters, you are
exerting on the grindstone, relative to the center of mass of the
grindstone? (I believe the answer is
301.15)
b. What is the angular acceleration of the grindstone
α0, in radians per square second, assuming
negligible friction?
c. What is the angular acceleration of the...
A solid disk with a mass of 40 kg and a radius of 0.6 m can
rotate around an
axis through its center, perpendicular to the disk surface. At
time t = 0 s, the
disk is not turning. It has a constant angular acceleration ↵
and by t = 20 s it
has completed 500 complete turns.
Calculate the angular acceleration ↵.
Calculate the angular velocity ! at t = 20 s.
Calculate the rotational kinetic energy at t...
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