When a carpenter shuts off his circular saw, the 10.0-inch-diameter blade slows from 4385 rpm to zero in 3.25 s . What is the angular acceleration of the blade? What is the distance traveled by a point on the rim of the blade during the deceleration? What is the magnitude of the net displacement of a point on the rim of the blade during the deceleration?

Q: The diameter of a cylinder that can rotate around its axis at a constant speed of 1300 rpm is 18 cm.…

A: Given that, Constant speed = 1300 rpm Diameter = 18 cm  Time = 3 s

Q: A wind turbine is rotating counterclockwise at 0.83 rev/s and slows to a stop in 21 s. Its blades…

A:

Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…

A:

Q: The blades in a blender 18 cm in radius, initially at rest. After 3 seconds, the blades rotates 8…

A: Given data:  Radius (r) = 18 cm = 0.18 m Time (t) = 3 s Initial angular velocity (ωi) = 0 rad/s…

Q: Son Goku whirled Gohan during their training. Gohan’s height is 1.76 m while Son Goku’s arm length…

A: Given : Gohan's height = 1.76 m             Son Goku's arm length = 2.00 m             Son Goku's…

Q: An astronaut candidate is being tested in a centrifuge that has a radial acceleration of 4g. The…

A: The expression for radial acceleration is,

Q: Question 1: A wind turbine is rotating counterclockwise at an angular speed of w = 3.5ad and slows…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: An airplane’s propeller blades slow down to 2 rev/s in 5 s, making 200 rev in the process. Assuming…

A:

Q: In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end…

A:

Q: Starting from rest, a centrifuge can reach its operational speed of 4300 rpm in 10.0 s.      How…

A: Given Data Initial angular speed is ωi=0 Final angular speed is ωf=4300 rpm  ωf=4300 rpm=4300×2π60…

Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut starts from rest and…

A: R = 10 mt = 10 sec ac = 10g  = 98 m/s2

Q: A race car travels in a circular track of radius 400 m. If the car moves with a constant speed of 80…

A: radius of the track (r) = 400 m constant speed (v) = 80 m/s (a)  v = r w w = angular velocity w =…

Q: The disk in a computer disk drive spins up from rest to a final angular speed of 5400 rpm in 2.00 s.…

A: Given Data: The final angular speed of a disk is, ωf=5400 rpm The time required to spin a disk is,…

Q: blades of a fan running at low speed turn at 280 rpm. When the fan is switched to high speed, the…

A: Initial frequency fo = 280 rpm = 280/60 rps  =4.67 rps  Final frequency f = 430 rpm = 430/60 rps…

Q: The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant…

A: Write the expression for centripetal acceleration.

Q: If your engine spins and move in circular motions at 2000 rev/m, what is its angular speed in…

A: Angular speed = 2000 rev/m 1 rev = 2π rad 1 m= 60 sec

Q: om above). When switched off, it rotates through 48.0 revolutions before coming to rest. Assuming it…

A: We know that the third equation of the angular motion is given as  ω=ω0+2αθα= ω-ω02θ…

Q: A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 17 s. Its blades…

A:

Q: Figure Q1(b) shows a train travelling along a circular curve of a radius r= 300 m. At the instant…

A:

Q: Describe the radial acceleration, tangential acceleration, and total acceleration vectors for a…

A: Let the radius of the point from the centre of the disk is r. The angular velocity is denoted by ω.…

Q: The world's tallest Ferris wheel is the High Roller in Las Vegas, NV. It has a radius of about 79…

A: The given radius of the Ferris wheel is R = 79 m and the time of ride is given as t = 8 minute = 480…

Q: *62. ao A ball of radius 0.200 m rolls with a constant linear speed of 3.60 m/s along a horizontal…

A:

Q: A ceiling fan turns at a rate of 76 RPM. What is its speed in radians per second?

A: Given data:  Angular velocity (ω) = 76 rpm Required: Angular velocity in rad/s

Q: An athlete swings a 4.10-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Answer Given  Mass of the ball m = 4.10 kg Radius r = 0.710 m  Angular speed ω = 0.520 rev/s

Q: A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 21 s. Its blades…

A:

Q: A stone in a sling is swung in a circle of radius r = 1.2 m with a constant angular velocity of ω =…

A: Given: The radius of the circular path is 1.2 m. The angular speed is 13 rad/s.

Q: An object starts its motion from rest on a circle with a radius of 25 cm. The object reaches the…

A:

Q: A wind turbine is rotating counterclockwise at an angular speed of W = 3 rad and slows down at a…

A: Given : w = 3 rad/s t = 3.5 s r = 18.5 m

Q: An ultracentrifuge accelerates at a constant rate from rest to 108500rpm in 2 minutes. All questions…

A: Using formula for the constant angular acceleration :that is ;ω=ω∘+αtω→final angular…

Q: How many degrees per second does an object rotates if its angular velocity is 32 rev/min?

A:

Q: An industrial chain is wrapped around the periphery of a 1.5 m radius cylinder, free to rotate on…

A:

Q: Two motorcycles are riding around a circular track at the same angular velocity. One motorcycle is…

A: Given: The angular velocity of both motorcycles are same. The Radius of first motorcycle r1=15 m The…

Q: A rotary disc "turns" at a 23 rev/min rate and takes 45s to stop when turned off. What is angular…

A: Convert the initial angular speed in the base SI unit ω0=23revmin×2π rad1 rev×1 min60 sω0=2.41 rad/s…

Q: A tire of a car is about 64 cm in diameter. If the tires rotate 500 revolutions per minute, what is…

A:

Q: A 20 cm diameter circular saw blade spins at 3900 rpm. How fast would you have to push a straight…

A:

Q: An audio compact disk (CD) player is rotating at an angular velocity of 32.5 radians per second when…

A: Given Data: The angular velocity of a disk is, ω=32.5 rad/s The radius of a disk is, r=4.0 cm   The…

Q: The front wheel of a cyclist is doing 10 rotations in 3.0 s. a) If the diameter of the wheel is 70…

A:

Q: The period of a stone swung in a horizontal circle on a 2.50-m radius is 1.20 s. (a) What is its…

A: Given data: The period of a stone swung in a horizontal circle is, T= 1.20 sec The radius of the…

Q: A disk with a radius of 8 in. rotates about a fixed axis with an angular velocity of w = (3t + 5)…

A:

Q: A wheel has its speed increased from 120 to 240 r/min in 20 s. What is the angular acceleration? How…

A: Given: The initial angular speed is 120 rev/min. The final angular speed is 240 rev/min. The time…

Q: Ventilation fan in a house, the length of each blade is 0.25 m, rotating at a constant angle of 20…

A: The required tangential velocity is,

Q: What is the angular speed (in rpm) with which the Earth spins on its axis? What is the angular speed…

A: Angular speed of earth's spin and revolution around sun need to be calculated.

Q: A high-speed drill reaches 2500 rpm in 0.54 s. What is the drill's angular acceleration? Through how…

A: Convert 2500 rpm to rad/s.

Q: A ball of radius 0.200 m rolls with a constant linear speed of 3.35 m/s along a horizontal table.…

A: Time taken for the ball to hit the floor h=v0yt+12gt2t=2hg              v0y=0=21.80 m9.8 m/s2=0.606…

Q: Imagine that you could see a wheel spinning while speeding up, so you know that the angular velocity…

A: The direction of the angular velocity is given by the right-hand rule. According to the right-hand…

Q: The tips of the blades of the Chinook helicopter lie on a circle of diameter of 18.29 meters. What…

A: Given:-               A) The tips of the blades of the Chinook helicopter lie on a circle of…

Q: An ultracentrifuge accelerates from rest to 9.93 × 10° rpm in 1.87 min. What is its angular…

A: wo = 0 rad/secw = 993000 rpm  = 103986.7 rad/sect = 1.87 min  = 112.2 sec

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.