A grindstone of radius 4.0m is initially spinning with an angular speed of 8.0 rad/s. The angular speed is then increased to 10 rad/s over the next 4.0 seconds. Assume that the angular acceleration is constant. a.) What is the average angular speed of the grindstone? b.) What is the magnitude of the angular acceleration of the grindstone? c.) Through how many revolutions does the grindstone turn during the 4.0-second interval?

Q: T 1. A uniform disk, such as a record turntable, initially turns at 5.00 rev/s around a frictionless…

A:

Q: The bigclaw snapping shrimp shown is aptly named—it has one big claw that snaps shut with remarkable…

A:

Q: s at his side, on a

A:

Q: A car traveling at a constant speed as it rounds a curve is not experiencing angular acceleration.…

A: Introduction:Angular acceelration is defined as the rate of change ofangular velocity.α = dωdtalso…

Q: SP3. In the park, several children with a total mass of 240 kg are riding on a merry-go-round that…

A:

Q: Suppose that a merry-go-round is rotating at the rate of 10 rev/min. a. Express this rotational…

A: Angular velocity = W = 10 rev/min

Q: 2. A 30 kg child sits on the edge of a merry-go-round with a radius 5.0 m. The merry-go-round…

A: Now

Q: A massless rod of length 1.0 m has two masses (4.2 kg each) attached to it. The axis of rotation is…

A: Given data: Initial length of the rod is, L1 = 1 m Final length of the rod is, L2 = 4 m Two masses…

Q: A60-cm-diameter wheel accelerates uniformly about its center from 110 rpm to 270 rpm rpm in 5.08. A…

A: The initial angular velocity, ωi=110 rpm=2π60×110 rad/s=11.52 rad/s (using the conversion factor of…

Q: A disk of radius r = 87.5 cm and rotational inertia, about the disk axis on which it is fixed, is…

A: Write a given values of this question. r=87.5cm=0.875mI=3.1kgm2F=24.9N

Q: A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s starts from…

A: Given that, Angular acceleration α=2.0 rad/s2 Time t= 0.60 s Diameter = 52 cm

Q: A small block slides out along the slot in the disk with a speed of † = 4t m/s ( t is in seconds)…

A: we are given radial velocity of block r˙=4t m/s angular velocity of disc θ˙=6 rad/s radial position…

Q: A propeller is modeled as five identical uniform rods extending radially from its axis. The length…

A: Given: The length of rod is 0.827 m.             The mass of the rod is 2.77 kg.             The…

Q: A rotating wheel requires 6.00 s to rotate 25.0 revolutions. Its angular velocity at the end of the…

A:

Q: A rotating wheel requires 9.00 s to rotate 28.0 revolutions. Its angular velocity at the end of the…

A: The angular displacement of the wheel is, ∆θ=ωavgt…

Q: d. How does the magnitude of angular acceleration of the pulley depend on the hanging mass? i. As…

A: Given : mass of pulley, M = 0.5 kg Radius of pulley, r = 2 m

Q: How much torque would it take to make the wheel speed up from rest to 1.5 rev/sec in 10 sec? b. Now…

A: The moment of inertia of a rigid body is the sum of the products of the masses of all the particles…

Q: Suppose that a disk rotates through three revolutions in 4 seconds. a. What is its displacement in…

A: The number of revolutions is The time taken by the disk to rotates 3 rev is

Q: car make 94 revolutions as the car reduces its speed uniformly

A: To calculate the angular acceleration of the tires, we can use the following equation:α = (ω_f -…

Q: Part A what is the angular acceleration of the flywheel. EXPRESS ANSWERR IN RADIANS PWR SECONDS…

A:

Q: A merry-go-round is spinning at a rate of 3.03.0 revolutions per minute. Cora is sitting 0.50.5 m…

A: Given that distance of Cora from the centre and distance of Cameron from the centre and also given…

Q: In an Atwood's machine, one block has a mass of 304.0 g, and the other mass of 454.0 g. The pulley,…

A:

Q: An 8.00-cm-diameter, 370 g solid sphere is released from rest at the top of a 1.50-m-long, 20.0°…

A: Given that,The diameter : d = 8 (cm) = 0.08 (cm)The mass : m = 0.370 (kg)The length : l = 1.50…

Q: An 18-cm-long bicycle crank arm, with a pedal at one end, is attached to a 20-cm-diameter sprocket,…

A:

Q: A car is traveling along the circular curve of radius r = 400ft. At the instant shown, its angular…

A: Given data:- Radius of the circular curve is r=400 ft    =121.91 m Angular rate of rotation is…

Q: A particle is moving in a circle of radius 0.40 m. At an instance when the angular speed is 2.0…

A: Given: The radius of the circular path is 0.4 m. The angular speed is 2 rad/s. The angular…

Q: A high-speed drill reaches 2300 rpm in 0.60 s Part A What is the drill's angular acceleration?…

A: Given: Initial angular velocity, ωi=0 Final angular velocity, ωf=2300 rpm=230060 rev/s=38.33 rev/s…

Q: A horizontal platform in the shape of a circular disk is rotating (without friction) about its…

A: Introduction: 1) Moment of Inertia: It is property possessed by the body which resist rotational…

Q: A disk of radius r= 51.9 cm and rotational inertia, about the disk axis on which it is fixed, is 3…

A:

Q: A 24-inch diameter tire rotates 8.2 revolutions per second a. determine the angular speed of the…

A:

Q: A Ferris wheel is rotating with an angular speed of 0.240 rad/s. An angular acceleration of 0.030…

A: Here we use equation of motion that can be applied only for constant angular acceleration

Q: Consider an object on a rotating disk a distance ? from its center, held in place on the disk by…

A: EXPLANATION  a) true , since we know( v=ωr) where ,v= tangential speed which                 depened…

Q: of 1.50 rad/s². A. How long does it take to reach an angular velocity of 36 rad/s starting from…

A:

Q: A kicker's extended leg with a length of 0.39m is swung from rest for 0.4 seconds in a counter-…

A:

Q: Suppose that a disk rotates through three revolutions in 4 seconds. a. What is its displacement in…

A:

Q: A pitcher throws a curveball that reaches the catcher in 0.70 s. The ball curves because it is…

A: Average angular velocity is Time is Note:Find:Angular displacement.

Q: A rotating wheel requires t = 8.2 s to rotate through 131 revolutions. Its angular velocity at the…

A: Solution:-Given thatTime (∆t)=8.2 sNo. of revolutions (θf) in 8.2 s=131 revolutions=131×2π radFinal…

Q: Suppose that a merry-go-round is rotating at the rate of 10 rev/min. a. Express this rotational…

A:

Q: 3.) A spinning disk completes 2.9 revolutions. a. The displacement in radians is... b. It takes 2.3…

A:

Q: A rotating wheel requires 6.00 s to rotate 30.0 revolutions. Its angular velocity at the end of the…

A:

Q: 1) Choose the three "bridge" equations between translational quantities and rotational quantities…

A: Let vt be the velocity of translational motion, alpha be the angular acceleration, w be the angular…

Q: A high-speed drill reaches 2500 rpm in 0.50 s. What is the drill's angular acceleration? Express…

A:

Q: Suppose that a merry-go-round is rotating at the rate of 10 rev/min. a. Express this rotational…

A:

Q: You and your friend ride a merry-go round. You sit further away from center (2r) but your friend…

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

Q: A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s starts from…

A: Given data: Angular acceleration, α=2.0 rad/s2 Diameter of the wheel, d=41 cm=0.41 m Time taken,…

Q: During a 3.50-min ride, a carousel goes around at a rate of 4.85 rpm. Answer the following questions…

A: part(a) What is the angular speed in rad/s. Part(b) Through what angular displacement will the…

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.