How long will it take to rotate 360º if an object is moving at a constant angular speed of 250 rpm? *   A. 0.29 s B. 0.35 s C. 0.24 s D. 0.15 s

Q: disk with a radius of r = 42 cm rotating about its central axis with a frequency of 20 Hz. Suddenly…

A:

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

A:

Q: question 3 please

A: (a) Write the kinematic relation angular distance and distance travelled

Q: 1. A rotating merry-go-round makes one complete revolution in 4.0 s (a) What is the linear speed of…

A:

Q: (II) The platter of the hard drive of a computer rotates at 7200 rpm (revolution per minute) a) What…

A: Given The frequency of the platter is f = 7200 rev/min. The angular velocity of the platter is…

Q: 3. On a certain Ferris wheel of radius 100 feet, it takes 10 seconds to go from the bottom to the…

A:

Q: A ceiling fan is rotating 245 times each minute. a. What is its frequency? b. What is its period of…

A:

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

A: a). The expression for the angular acceleration is given by,

Q: Problem #1: A wind turbine is rotating counterclockwise at 0.25 rev/s and slows to a stop in 12 s.…

A:

Q: A flywheel slows from 643 rev/min to 427 rev/min while rotating through 53 revolutions.   (a) What…

A: In the given question , We have to determine the values of the given parts.

Q: Chapter 10, Problem 023 Your answer is partially correct. Try again A flywheel with a diameter of…

A: a)The angular speed of the flywheel is 268rev/min.Convert rev/min to rad/sec

Q: 1. Two hundred-pound Richard went to Sky Ranch in Tagaytay and rode the Ferris wheel which has a…

A:

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Given data: Acceleration, a=88.2 m/s

Q: The horse on a carousel is 4.0 m from the central axis.a. If the carousel rotates at 0.10 rev/s, how…

A: The time taken can be obtained as

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Centripetal acceleration =ω2R Linear speed=V=ωR where ω=angular speed R =radius

Q: Amelia gives her doll a merry-go-around ride on an old phonograph set at 45 pm. The doll is 17 cm…

A: Given : ω = 45 rpm r = 17 cm = 0.17 m

Q: A cooling fan is turned off when it is running at 860 rev/minrev/min . It turns 900 revolutions…

A: Given: The initial angular velocity of the fan is 860 rev/min. The number of revolutions is 900. The…

Q: The angular acceleration (a) of a rotating blade follows the equation a = (20 - 30.0 t2) rad/s2 for…

A: Angular acceleration (a) = 20 - 30 t2 rad/s2  At t=0s  the blade initially at rest

Q: A large wind turbine has three blades connected to a central hub. Each blade is 50.0m long and…

A: a)The angular speed is found as,

Q: A washing machine is revolving at 1200 rpm slows down uniformly to 600 rpm while making 60…

A:

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: (a) The expression for the angular speed is, ω=ar Substituting the givens, ω=9g5.09 m   =99.8…

Q: An athlete swings a 6.00-kg ball horizontally on the end of a rope. The ball moves in a circle of…

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: A disk starts to rotate about its central axis from rest and accelerates with constant angular…

A: ωi=Initial angular velocity=6 rev/sθ=Angular displacement=40 revωf=Final angular velocity=14…

Q: After being at rest a carousel starts rotating around its axis with a constant angular acceleration…

A:

Q: A wheel rotating with 20 rev/s is uniformly accelerated at 0.5 rad/s2 for 10 seconds. It then…

A:

Q: When an electric motor is turned on at t = 0, its angular acceleration is ?= 10e-0.5t where t is the…

A: We have givenAt t=0Angular acceleration (α)=10 e-0.5t

Q: An electric fan goes from rest to 2100 rpm in 4.8 s Part A What is its angular acceleration? Express…

A: Initial angular speed (ωo) = 0 rad s-1Final angular speed (ω) = 2100 rpm = 2100×2π60= 219.91 rad…

Q: A bicycle wheel is rotating at 50 rpm when the cyclist begins to pedal harder, giving the wheel a…

A:

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

A:

Q: Its arms are 3 m long and its center sits 12 m above the ground. A caterpillar clinging to the edge…

A: Given Spin rate =15 rpm Arm length of windmill = 3 m Height of center sits from ground =12 m

Q: A phonograph turntable rotating at 33 1/3 rev/min slows down and stops in 1.0 min. (a) What is the…

A: (a) Angular acceleration of the turntable α=-∆ω∆t=-3313revmin1.0 min=-33.33 revmin2  Negative sign…

Q: A gyroscope slows from an initial rate of 29.6 rad/s at an angular acceleration of 0.66 rad/s2.…

A: Given data The initial angular velocity of the gyroscope is given as ω0=29.6 rad/s. The angular…

Q: A fan rotates at 600 revolutions per minute when the power is turned off. If the fan rotates at 900…

A:

Q: (II) A child rolls a ball on a level floor 3.5 m to another child. If the ball makes 12.0…

A: The Length covered by the ball is equal to the product of the number of revolutions of the ball and…

Q: A wheel with a radius of 1 meter is initially spinning with an angular velocity of 10 rotations per…

A: Note:- This question with above values can't be determined i.e. question has to be asked with…

Q: A truck is (still!) going around a roundabout somewhere in Wisconsin. The roundabout has a radius of…

A:

Q: When a fan is turned off, its angular speed decreases from 168 rpm to 64.0 rpm in 6.08 s.

A: Given: Initial angular speed of the fan ω∘ = 168 rpm final angular velocity of the fan ω = 64.0 rpm…

Q: A grindstone of radius 4.0m is initially spinning with an angular speed of 8.0 rad/s. The angular…

A:

Q: A gyroscope slows from an initial rate of 38.3 rad/s at a rate of 0.801 rad/s2. (a) How long does it…

A:

Q: A grinding wheel 0.33 m in diameter rotates at 2900 rpm . a) What is the linear speed of a point on…

A:

Q: An athlete swings a 4.20-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: An old phonograph at the record shop just finished playing an album. The owner shuts it off. The…

A: Rotation per minute= 78 So, rotation per second = 78/60. Hence, Frequency. = 1.3 rps. The relation…

Q: The blades in a blender rotate at a rate of 6900 rpm. When the motor is turned off during operation,…

A:

Q: A drill bit is able to reach 2000 rpm in 0.50 s. Assuming a constant angular acceleration, how many…

A:

Q: A merry-go-round rotates from rest with an angular acceleration of 1.30 rad/s². (a) How long does it…

A: Here given a merry go round rotates from rest with an angular acceleration 1.30 rad/s². We have to…

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.