The tub within a washer goes into its spin cycle, starting from rest and reaching an angular speed of 13 π rad/s in 6.9 s. At this point, the lid is opened, and a safety switch turns off the washer. The tub slows to rest in 12.0 s. Through how many revolutions does the tub turn? Assume constant angular acceleration while the machine is starting and stop-

Q: Question 7 As an ice skater begins a spin, his angular speed is 3.14 rad/s. After pulling in his…

A:

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a…

A: Given data The radius of the solid cylinder is r = 0.33 m The tangential force is Ft = 230 N The…

Q: A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It…

A:

Q: A diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck…

A: Let the initial rotational inertia of diver's  body = I New rotational inertia of diver's body =…

Q: Mary is an avid game show fan and one of the contestants on a popular game show. She spins the…

A: The angle through which the wheel spin in 5.5 revolutions is, Δθ=5.52π rad=11π rad The equation of…

Q: At t=0 a grinding wheel has an angular velocity of 24 rad/s. It has a constant angular acceleration…

A: Solution:-

Q: With the aid of a string, a gyroscope is accelerated from rest to 25 rad/s in 0.4 s. (a) What is its…

A: Solution:   Given Values,   Initial Angular Velocity(ω0)=0 rad/s  (since it is accelerated from…

Q: A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It…

A: Given Information: The mass of the wheel (m) = 2.00 kg The radius of the wheel (r) = 7.00 cm = 0.07…

Q: Mary is an avid game show fan and one of the contestants on a popular game show. She spins the wheel…

A: in this question we use equation of angular motion.

Q: The tub of a washing machine goes into its spin cycle, starting from rest and gaining angular speed…

A:

Q: A playground carousel is free to rotate about its center on frictionless bearings, and air…

A: Ic = 112 kg·m2 ri = 1.76 m ωi = 0.552 rad/s rf = 0.714 m ωf = 0.725 rad/s m = ?

Q: An airliner arrives at the terminal, and the engines areshut off. The rotor of one of the engines…

A:

Q: A diver can reduce her moment of inertia by a factor of about 3.5 when changing from the straight…

A:

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a…

A: Radius of cylinder r = 0.330 m Tangential force F = 280 N Angular acceleration α = 0.824 rad/s2

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a…

A: A solid cylinder

Q: The radius of the wheel is 70.0 cm and the moment of inertia is 5.40 kg·m2. The wheel starts at rest…

A:

Q: The tub of a washing machine goes into its spin cycle, starting from rest and gaining angular speed…

A:

Q: During a very quick stop, a car decelerates at 6.6 m/s2. Assume the forward motion of the car…

A: Given at = 6.6 m/s2r = 0.27 mω0 = 99 rad/s

Q: A boy stands at the center of a platform that is rotating without friction at 1.0 rev/s. The boy…

A: It is given that,

Q: At its lowest setting a centrifuge rotates with an angular speed of ω1 = 250 rad/s. When it is…

A:

Q: At its lowest setting, a centrifuge rotates with an angular speed of ω1 = 250 rad/s. When it is…

A:

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a…

A:

Q: A dentist's drill starts from rest. 'After 4.60 s of constant angular acceleration it turns at a…

A:

Q: A brake is applied to a rotating wheel, initially moving counterclockwise, causing it to slow down…

A:

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a…

A: (a) Apply Newton's second law, Net torque = Moment of Inertia x angular acceleration T = Iα 260*0.33…

Q: During the spin cycle the time dependent angular speed of a washing machine drum is given by the…

A: Given :           ω(t)=at+bt2-ct4a=2.2 rad/s2b=0.75 rad/s3c=0.035 rad/s5At t=0 s,  θ0=1.9 rad

Q: The drive propeller of a ship starts from rest and accelerates at 2.28x10-3 rad/s2 for 2.25x103 s.…

A: The graph below can divide into three sections. In section-OA ship accelerate, in the section–AB…

Q: A dentist's drill starts from rest. After 4.30 s of constant angular acceleration it turns at a rate…

A: Given data The initial angular velocity of the ωo=0 rad/s The time is t=4.30 s The final angular…

Q: A playground merry-go-round of radius R = 4.00 m has a moment of inertia I = 250 kg -m² and is…

A: Radius of merry go round (R) = 4 m moment of inertia of merry go round (I) = 250 kg.m2initial…

Q: A brake is applied to a spinning flywheel, initially moving counterclockwise, causing it to slow…

A: Given: angular acceleration, α=5 rad/s2 Angular displacement of flywheel, θ=52.9 rad Time taken, t=4…

Q: Some people are able to spin a basketball on the tip of a finger. It is often done by balancing the…

A: given initial angular speed ω0 = 0 rad /s  final angular speed ω=19.75 rad/s time take to reach…

Q: A wheel accelerates from rest to 2.53 rad/s at a rate of 4.64 rad/s2.   Through what angle (in…

A:

Q: At its lowest setting a centrifuge rotates with an angular speed of ω1 = 250 rad/s. When it is…

A: Given data:  Initial angular speed (ω1) = 250 rad/s Time (t) = 7.5 s Final angular speed (ω2) = 650…

Q: A handbrake is applied to a spinning axle, initially moving counterclockwise, causing it to slow…

A: Given data: The angular deceleration of the spinning due to brake is α=5.4 rads2. The time duration…

Q: A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate…

A:

Q: .  A wheel has a constant angular acceleration of 5.0rad/s25.0rad/s2. Starting from rest, it turns…

A: Given value--- angular acceleration = 5 rad /s2.  initial angular velocity = 0 rad /s. angle = 300…

Q: A wheel, starting from rest, rotates with a constant angular acceleration of 4.50 rad/s2. During a…

A:

Q: A Ferris wheel rotates at an angular velocity of 0.26 rad/s. Starting from rest, it reaches its…

A: solution as

Q: The blades of a medium size wind turbine rotate at a maximum rate of 20.6 rev/min. The total moment…

A: The final angular speed, ωf=20.6 rev/min. The initial angular speed, ωi=0. The total moment of…

Q: A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of −4.80…

A: The angular speed at a time t can be calculated using equation (1), angular displacement equation is…

Q: The uniform rod (length 0.7 m) in figure rotates about an axis through one end, with a rotational…

A:

Q: A dentist's drill starts from rest. After 3.50 s of constant angular acceleration it turns at a rate…

A:

Q: Some people are able to spin a basketball on the tip of a finger. It is often done by balancing the…

A:

Q: student holds a bike wheel and starts it spinning with an initial angular speed of 9.09.0 rotations…

A:

Q: A turntable starts from rest and makes the first n complete revolutions in time t with constant…

A:

Q: A flywheel slows from 549.7 rev/min down to 314.7 rev/min while spinning through 40.9 revolutions.…

A: Given: The initial revolution per minutes is N1=549.7 rev/min, The final revolution per minutes is…