Your roommate is working on his bicycle and has the bike upside down. He spins the 56.0 cmcm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second. What is the pebble's acceleration? Express your answer with the appropriate units.

Q: An object moves uniformly around a circular path of radius 21.0 cm, making one complete revolution…

A: Given, R = 21cm T = 2.05s a). Transitional speed (v)= 2πR/T = 2π(21)/2.05 v = 64.36433729 cm/s

Q: There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a…

A: Radius (R) = 12 cm Angular velocity (ω) = 2.67 revs= 2.67×2π rads= 16.77 rads

Q: A bicycle with 0.80-m-diameter tires is coasting on a level road at 5.6 m/s. A small blue dot has…

A:

Q: A disk with a rotational inertia of 4.0 kg.m2 and a radius of 0.40 m rotates on a frictionless fixed…

A:

Q: A technician is testing a computer-controlled, variable-speed motor. She attaches a thin disk to the…

A: a) Slope is, So,

Q: An energetic parent places his 20 kg child on a 5.0 kg cart to which a 2.0-m-long rope is attached.…

A: Given data Mass of the child, m=20 kg Mass of the cart, ml=5 kg Length of the rope,r=2 m Tension,…

Q: An object moves uniformly around a circular path of radius 22.0 cm, making one complete revolution…

A: Given that: Radius of circular path, r = 22 cm=0.22 m One revolution complete, t = 2.2 sec

Q: Two children are playing tetherball, in which a ball at the end of a cord spins around a pole. After…

A:

Q: A giant Ferris wheel in Seattle, Washington has a diameter of 135 m and takes 30 minutes to make one…

A: The radius of the Ferris wheel is, r=135 m2=67.5 m The distance traveled by a rider in one…

Q: please answer this question within 30 minutes. i will upvote. Spherical particles of radius 4.50…

A: The centrifugal force acting on a spherical particle of radius r and density ρ, spinning in a…

Q: n 2010, the Sikorsky's X2 helicopter became the world's fastest helicopter, flying at 249 miles per…

A:

Q: A toy train rolls around a horizontal 1.0-mm-diameter track. The coefficient of rolling friction is…

A:

Q: Your 64 cm diameter car tire is rotating at 3.8 rev/s when suddenly you press down hard on the…

A: SOlution: Given that  64 cm diameter car tire is rotating at 3.8 rev/s After traveling 270 m, the…

Q: A car of mass m=1500kg is moving down a level road. It comes to a hill whose cross section is semi…

A:

Q: floor polisher has a rotating disk that has a 20-cm radius. The disk rotates at a constant angular…

A:

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as…

A:

Q: A circular flywheel, with a diameter of 21 cm, accelerates uniformly from 22 rpm to 73 rpm in 2.3 s.…

A: diameter of flywheel (d) = 21 cm Radius of flywheel (R) = 10.5 cm Initial angular velocity = 22 rpm…

Q: A child is swinging a 0.300-kg ball on a string. She is swinging it in a circle with an angular…

A:

Q: The last of the Babylon space stations, Babylon 5, is a cylinder of radius 420 m and mass 9.1 x 1012…

A: Given, Radius of cylinder =420 m mass of cylinder = 9.1*1012 Kg Weight = 1.5 mg

Q: A ceiling fan rotates at the rate of 30 degrees every .63 seconds. What is the angular speed of the…

A:

Q: d) Calculate the time it takes for each disk to roll. e) What is the total kinetic energy for each…

A:

Q: An object travels around a circle of radius r with constant speed. If s is the distance traveled in…

A: Given that s is the distance travelled in time t Linear speed is v=st

Q: A 5.4-m-diameter merry-go-round is initially turning with a 4.1 s period. It steadily slows down and…

A:

Q: A Ferris wheel rotating at 20 rad/s slows down with a constant angular acceleration of magnitude 5.0…

A:

Q: A car tire is 60.0 cm in diameter. The car is traveling at a speed of 24.0 m/s. Part A: What is the…

A:

Q: Earth's radius is 6.38 × 106 m, and it completes one revolution every day. What is the tangential…

A: The expression for the tangential speed on the equator,

Q: A 5 kg hoop (I=MR2) with a radius of 2 m is placed at the top of a hill that is 8 m high. There is…

A: Using conservation of energy,

Q: Two gears are connected by a chain. The larger gear has a linear velocity of 12 inches per second.…

A: linear velocity (v) of larger gear = 12π5 inchsAngular velocity (ω)  of smaller gear= 32π3 radmin

Q: The differential gear of a car axle allows the wheel on the left side of a car to rotate at a…

A:

Q: As you drive down the road at 18 m/s, you press on the gas pedal and speed up with a uniform…

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Q: You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The…

A:

Q: As you drive down the road at 18 m/s, you press on the gas pedal and speed up with a uniform…

A:

Q: A truck with 0.420 m radius tires travels at 32.0 m/s. What is the angular velocity of the rotating…

A:

Q: Two flywheels, 1 and 2, are frictionlessly and independently mounted on the same axie. They have…

A: In the absence of external torque, angular momentum is conserved. Apply principle of conservation of…

Q: The angular position of an object that rotates about a fixed axis is given by θ(t) = θ0 eβt, where β…

A:

Q: A wheel with a radius of 0.4 meters initially at rest and begins to accelerate at 4 rad/s2. How many…

A:

Q: A radio turntable has a frequency 33 rpm. A record of radius is 15.25 cm is placed on the turntable…

A:

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

A:

Q: The angular velocity of a flywheel obeys the equation wz(t) = A + Bt², where t is in seconds and A…

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

Q: A circular track has several concentric rings where people can run at their leisure. Phil runs on…

A:

Q: A particle moves along a circular path of radius 300 mm. If its angular velocity is 2t² rad/s, where…

A:

Q: A boy rides his bicycle 2.00 km. The wheels have radius 30.0 cm. What is the total angle the tires…

A:

Q: variation of the amusement park ride discussed in Problem 11 is the Gravitron, which consists of a…

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 electric fan is turned off, and its angular velocity decreases uniformly from 600 rev/min to 250…

A: Ans:- Image-1

Q: A car initially traveling at 29.2 m/s undergoes a constant negative acceleration of magnitude 1.40…

A:

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.