1. A 78-rpm record turns at the rate of 78 revolutions per minute as its name implies. Through what angle (in radians) would such a record turn during a song that lasted for 3 minutes and 15 seconds?

Q: 4:12 C all 79% Question 1 Not yet answered Points out of 1.00 P Flag question A disc of radius of 15…

A: Here, Given π=3. Now,

Q: 1.) An automobile has tires with a radius of 0.39m. Starting from rest, it moves in a straight line…

A: See below

Q: 1. The tyre is freely rotating at the rate of 50 rad/s and moving forwards (exactly like rotation of…

A: Here given the tyre is rotating at a rate 50 rad/s . The radius of the tyre is 60 cm. There are A,O…

Q: 11. A wheel is rotating with an angular speed of (t + 1) (rad/s). Calculate the centripetal…

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Q: 1. A piece of dust finds itself on a CD. The spin rate of the CD is 510 rpm, and the piece of dust…

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

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Q: A boy is riding his bike at 23 m/s if his wheels radius is .7 meters. a. What is the rotational…

A: Given that,The velocity of the bike : v = 23 (m/sec)The radius of the wheel : r = 7 (m)Here we need…

Q: 1. A compact disk rotates clockwise, making one revolution in 0.286 s. a) Find the angular velocity,…

A: Solution: (a) Angular velocity (ω): Angular velocity (ω) = Displacement / Time  where:  Displacement…

Q: 17. A CD-ROM drive in a computer spins the 12-cm-diameter disks at 7300 rpm. What is a disk's period…

A: Angular frequency is defined as the number of rotations made each second and time period is defined…

Q: 1. An object is swung in a horizontal circle with a radius of 0.5 m. If the object makes one full…

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Q: A cylinder of radius R and mass m rolls on a floor without slipping with a speed v. The cylinder…

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Q: A cooling fan is turned off when it is running at 950 rev/min . It turns 1100 revolutions before it…

A: Given:-  A cooling fan is turned off when it is running at 950 rev/min.   It turns 1100 revolutions…

Q: An automobile engine slows down from 3200 rpm to 1200 rpm in 2.0 s . A.Calculate its angular…

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Q: 1. An electric motor rotating a workshop grinding wheel at a rate of 71.9 rev/ min is switched off…

A: Given data:  Angular velocity is ω=71.9 rev min-1=71.9 60×2π rad s-1=7.5  rad s-1 The angular…

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

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Q: If the tangential acceleration is there (0) this is an indication that: Select one: O a. the…

A: If there is tangential acceleration, then the motion is not uniform circular motion.

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

A: a) Frequency is equal the number of cycle or in other words rotation per second. Therefore, Rotation…

Q: A car with 58-cm-diameter tires accelerates uniformly from rest to 20 m/s in 10 s. How many times…

A: Diameter of tires ( d ) = 58 cm  Initial velocity of car ( u ) = 0 m/s  Finial velocity of car ( v )…

Q: th 0.570 m radius tires travels at 43.0 m/s. At how many radians per second are the tires rotating?…

A: GivenRadius of tire, r=0.570 mvelocity , v=43 m/s

Q: 1. You are told that a basketball player spins the ball for 2.5 s with an angular acceleration of 75…

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Q: 2. A carnival ride has 4 planes going around in a circle. Propeller on the front of each plane…

A: Step 1:Step 2:Step 3:

Q: 2. We can use a simple model which uses our understanding of uniform circular motion to estimate the…

A: Given data, Mass of the planet = M Radius of the planet = R Mass of the rock = m

Q: 4. A disk of radius R = 3.0 m rotates at an angular velocity @ = (1.6 + 1.2t) rad/s. At the instant…

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Q: A stroboscope is a light that flashes on and off at a constant rate. It can be used to illuminate a…

A: We have been given that the rotating speed is 16.7 rev/s.

Q: A bicycle tire is rotating counterclockwise at 3.141 rad/s. Over the course of 10.0 seconds, the…

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Q: When a carpenter shuts off his circular saw, the 10.0-inch-diameter blade slows from 4385 rpm to…

A: Given:Diameter of the blade = 10 inchRadius of the blade = 5 inchAngular velocity = 4385 rpmTime…

Q: A CD originally spinning at 34.0 rad/s (325 rpm) slows down uniformly until it comes to a full stop…

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Q: . The motor of an engine is rotating about its axis with angular speed velocity of 102 r.p.m at…

A: radius= 5.1 cm =0.051 m angular speed= 120 r.p.m we will change rpm to rad/s

Q: . A certain planet spins on its axis 4 a day and orbits the sun 13 a year. Determine the average…

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Q: A disc is rotating at constant angular acceleration of 2 rad/s^2. At t=0, the angular velocity = -5…

A: The final angular velocity ω at a time t can be given by the relation: ω=ω0+αt where α is the…

Q: 11. The largest helicopter ever built in the United States was the Sikorski CH-53E "Super Stallion".…

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Q: 1. An electric motor rotating a workshop grinding wheel at a date of 71.9 rev/min is switched off…

A: Solution: As per the given data, For Constant Acceleration or deceleration, in this case a) We know…

Q: 11. (1 p) Calcule el momento angular de un disco de 2.4 kg y 4.3 cm de diámetro, que rota a 600 rpm.

A: The angular momentum is  L = I w  where, I is the moment of inertia, w is the angular speed.  The…

Q: A particle is moving at constant speed in a circular path of radius R=1 (m) . If the position vector…

A: Given that: R=1 ω=0.7 rad/s

Q: 9. The brakes are applied steadily on a car initially travelling at 86.5 km/hr. The braking gives…

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Q: The motor of an engine is rotating about its axis with angular speed velocity of 120 r.p.m. at…

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Q: 7. A motor at rest is turned on to 2500 rev/min in 26s. How many revolutions w last 26s? 127 300 476

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Q: 2. A fountain features a large solid rock sphere with a radius of 0.750 m, and a total mass of 230…

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Q: 20. A disk with radius 50.0 [m] rotates at a rate of 1.50 [rad/s]. What is the tangential speed at…

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Q: A disk spins at 4.0 revolutions/second. What is its period, in second?

A: Solution: Given speed (N) = 4 rev /s ∴angular speed = 2πn  Now, 1 revolution = 2π rad   Therefore,…