A grindstone in the shape of a solid disk with diameter 0.520 m and a mass...

Question

Question

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

science physics

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

a - T - fx did =-4fk I may md 4 50 X 52 > a = - 4x eN =-4 MX 160 md x = -2 4.62 M Now, wo = = 850 res = 89.01 radis mir of a

Add a comment

Answer 2

Similar Homework Help Questions

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...
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?

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?
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...
A thin cord is wrapped around a grindstone of radius 0.30 m and mass 25 kg...

A thin cord is wrapped around a grindstone of radius 0.30 m and mass 25 kg supported by bearings that produce negligible friction torque. The cord exerts a steady 20-N tension force on the grindstone, causing it to accelerate from rest to 60 rad/s in 12 s. Determine the rotational inertia of the grindstone.

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 120-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m...

A 120-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to an angular speed of 0.700 rev/s in 2.00 s? (State the magnitude of the force.) N
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)...

A 100-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m...

A 100-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to an angular speed of 0.900 rev/s in 2.00 s? (State the magnitude of the force.)

A grindstone in the shape of a solid disk with diameter 0.520 m and a mass...

Homework Answers