Microwave ovens rotate at a rate of about 6 rpm.  What is this in radians per second? Group of answer choices 0.5 0.6 0.7 0.8

Q: A toy top with a spool of diameter 5.5 cm has a moment of inertia of 3.4×10−5 kg⋅m^2 about its…

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Q: You install new tires on your car that are rated to last for 55,000 miles. How many revolutions will…

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Q: A DVD is rotating at 440 rpm. What is the angular momentum of the DVD if has a radius of 6.00 cm and…

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Q: 75. Il Figure P9.75 shows a 100 g puck revolving at 100 rpm on INT a 20-cm-radius circle on a…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A bicycle with tires 50 cm in diameter travels 4.4  km How many revolutions do the wheels make?

A: Given data: The diameter of the bicycle tire, D=50 cm. The distance traveled by the tire, S=4.4 km.…

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

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Q: 41. An electric fan rotates 100 times in 50 s. If the blength of its wing from its axis of rotation…

A: Given, An electric fan rotates, N=100 times The length of wings from the axis of rotation is, r= 0.5…

Q: A child is riding a merry-go-round that is turning at 3.60 rpm. If the child is standing 4.65 m from…

A: Given: Angular velocity, ω=3.60 rpm Distance from center, r=4.65 m Let's find linear velocity of…

Q: ass of 1.55 x 1030 kg and is moving in a circular s (1 light-year = 9.5 x 1015 m), and the angular…

A: Solution:

Q: 50 radians are equal to how many degrees?

A: In the given problem we have to convert 50 rad into degree. Relation between radian and degree is π…

Q: Two identical discs are spinning on a vertical rod, at different rotation rates. The bottom disc is…

A: Rotation rate of bottom disk = 5300  rev/sRotation rate of top disk = 8300 rav/s Mass = 280 g Radius…

Q: What is the inertia of a bowling ball (mass = 0.5 kg) of radius 15 cm rotating at an angular speed…

A: in this question we have to find inertia so we don't considered speed in equation.

Q: A flywheel that is rotating slows down at a constant rate due to friction in its bearing. After one…

A: Given data: Initial angular velocity = ω0 Final angular velocity after t = 1 minute ω = 0.70ω0…

Q: A 700g sphere rotates around a vertical pole supported by two ropes, as shown in the image below. If…

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Q: Two identical discs are spinning on a vertical rod, at different rotation rates. The bottom disc is…

A: Given; Angular rotation rate of top disc = 8500 rev/s Angular rotation rate of bottom disc = 4700…

Q: Find the speed of a car if it’s 14-inch tires are rotating at 6 rev/s.

A: 1 inch = 2.54 cm  Radius r= 14 × 2.54  = 35.56 cm = 0.3556 m  Frequency f = 6 rev/s

Q: A car accelerates uniformly from rest and reaches a speed of 21.2 m/s in 8.96 s. Assume the diameter…

A: Given data:Initial speed of the car, u = 0 m/sFinal speed of the car, v = 21.2 m/sTime taken, t =…

Q: A disk of mass 2.5 kg and radius 75 cm with a small mass of 0.08 kg attached at the edge is rotating…

A: According to law of conservation of angular momentum, the angular momentum of system of particles…

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: What is the rate of revolution [in revolutions per minute (or rpm)] of a centrifuge if a particle…

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Q: A 40 kg child sits on the edge of a carnival ride at a radius of 4 m. The ride makes 3 revolutions…

A: The time for one revolution around the circle is, T=63=2 sec

Q: An old-style elevator is connected to a counterweight by a cable that passes over a rotating disk…

A: Given:Diameter of rotating disk ,d = 3.7 m Height, H = 5 m velocity, v = 0.5 m/s   Solution: a)…

Q: (a) Express the following angles in radians. 5° = rad 35° = rad 70° = rad 190° = rad (b) The…

A: (a) We know, 1o=0.017 rad 50=0.087 rad 350=0.610 rad 700=1.220 rad 1900=3.316 rad (b) We know, 1…

Q: The radius of a car tire is 0.2m. The distance moved by the car if the tire makes 100 rotations is O…

A: The radius of a car tire is 0.2m. The distance moved by the car if the tire makes 100 rotations is

Q: An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the object.…

A: Given :- r=2m time taken in full rotation = 5 sec

Q: What is the angular momentum vector of the 2.0 kg, 4.0 cm diameter rotating disk. Give your answer…

A: Given  Mass of disk,M = 2.0 kg  Radius of disk,r = 4.0 cm   Rpm = 600

Q: A 40 kg child sits on the edge of a carnival ride at a radius of 4 m. The ride makes 3 revolutions…

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Q: An electric motor is rotating with angular speed of 300 rad/s. Its angular speed in rev/min is: (1…

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Q: A disk of mass 3.5 kg and radius 75 cm is rotating at 1.9 rev/s. A small mass of 0.06 kg drops onto…

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Q: Rank in order, from largest to smallest, the angular accelerations αa to αd in (Figure 1).

A: Write the expression for torque.

Q: The radius of a car tire is 0.2m. The distance moved by the car if the tire makes 100 rotations is O…

A: r = 0.2 meter circumference of circle = 2(pi)r = 2 x 3.14x 0.2 m circumference = 1.256 m

Q: A rotating car wheel has an angular acceleration of 0.042 rad/s^2. The time in which the angular…

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Q: The crankshaft in a race car goes from rest to 3000 rpm in 2.0 seconds. How many revolutions does it…

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Q: A desk fan has blades of 4 inches rotates at a rate of 249 revolutions per minute. A. Find the…

A: Given data: Length of blades = 4 inches Angular velocity (ω) = 249 revolutions per minute Required:…

Q: 14. A wheel on a moving car slows uniformly from 70rad/s to 42 rad/s in 4.2 seconds. How many…

A: Given: The initial angular speed is 70 rad/s. The final angular speed is 42 rad/s. The time interval…

Q: How much time elapses while it turns through 300 radians? 11.0 s O 12.7 s O 15.8 s none of the above

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Q: A bike wheel rotates 5.5 revolutions. How many radians has it rotated? a. 41.2 rad b. 34.5 rad…

A: Given:Number of revolutions made by bike = 5.5

Q: A disk 8.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis.…

A: ω=∆θ∆t∆θ=ω∆t=1200 rev/min0.1047 rad/s1 rev/min2.0 s=251.3 rad

Q: a ball at the end of a string of 0.8 m rotates at a constant speed of 5 m/s, what is the time needed…

A: Given: Speed of ball, v=5 m/s length of string, l=0.8 m   To determine time needed to complete one…

Q: A car accelerates uniformly from rest and reaches a speed of 22.4 m/s in 8.92 s. Assume the diameter…

A: Given data: Speed, v=22.4 m/s Time taken, t=8.92 s Diameter, d=57.8 cm=0.578 m Radius, r=0.578…

Q: The wheels of a bicycle make 35 revolutions as the bicycle reduces its speed uniformly from 60.0…

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Q: "How long does it take for a disk revolving at 60 RPM to come to stop, if it is subjected to an…

A: Calculate the initial angular speed. Initial angular speedωi=2πRotational speed60…

Q: The angular speed of minute hand in a clock is a. 0.05233 rad/s  b. 0.10466 rad/s c. 0.00087…

A: Angular velocity of the body is the rate of change of angular displacement. ω = dθ/dt Where, ω =…

Q: A person rides a Ferris wheel that turns with constant angular velocity. Her weight is 503.0 N. At…

A: We have givenWeight of person  (W)=503.0 NAt the top of rideApparent Weight (dW)=1.500 NAndAngular…

Q: motor accelerates at a rate of 152 radians per second squared while reaching maximum anqulars speed…

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Q: What is 4200 RPM in radians/seconds

A: Conversion of RPM into radians/sec

Q: The Wheel of Fortune is divided into twelve angular sections, each of which is 30 degrees Determine…

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Q: A flywheel rotating at 483 rev/min is brought to rest with a uniform deceleration of 2.91 rad/s2.…

A: Initial angular speed , wo = 483 rev/ min. wo = 483(2π/60) rad/s  wo = 50.554 rad/s  Final angular…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.