A wheel starts from rest with a constant acceleration. It completes one complete revolution in 5 seconds. After how much time (after being started) will it complete 7 revolutions

Q: A drill, at its highest speed, rotates at 6500 rpm. If the drill takes 0.590 s to go from rest to…

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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: A wheel 32 cm in diameter accelerates uniformly from 245 rpm to 360 rpm in 6.3 s  A)  How far will a…

A: Angular acceleration of the wheel = α t= 6.3 sec Initial angular velocity ωi=245 rpm =4.083 rps…

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

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Q: Starting from rest, a wheel with a radius of 0.6 m begins to roll across the ground in a straight…

A: Radius of Wheel R = 0.6 m  Angular acceleration α = 4.49 rad/s2 Number of revolutions = 15  Initial…

Q: A computer drive disk with a radius of 0.065 m is turned on starting from rest with a constant…

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Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the…

A: Given data The magnitude of the acceleration is a = -5 rad/s2. The number of revolutions made by…

Q: A engine wheel with 2m radius starts from rest and rotates with an acceleration of 5 rad/s2. How…

A: According to rotational kinematics θ=ω0t+12αt2 where θ=angular displacement ω0=Initial angular speed…

Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the…

A: Given information: The magnitude of the acceleration (α) = 5.0 rad/s2 No. of revolutions the wheel…

Q: A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of…

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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 disk is initially spinning at 14 radians per second, and comes to a stop in 22 seconds under…

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

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Q: wheel rotates through an angle of 324° as it slows down from 87.4 rpm to 18.7 rpm (revolutions per…

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Q: A wheel is spinning at 43 revolutions per minute (rpm) with its spin axis horizontal. After 9.8 s,…

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Q: A toy top accelerates from rest to 17 rad/s in 0.50 s. How many revolutions does it make?

A: Given: final angular velocity ω=17 rad/sinitial angular velocity ωo=0 [starts from rest]time t…

Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,450 rev/min. When switched…

A: Given data:  Initial angular velocity (ω0) = 3450 rev/min Angular displacement (Δθ) = 52.0…

Q: Starting from rest, a wheel with a radius of 0.58 m begins to roll across the ground in a straight…

A: We shall use the rotational kinematic equation to solve this problem ωf2=ωi2+2αθwhereωf is the final…

Q: Starting from rest, a wheel with a radius of 0.52 m begins to roll across the ground in a straight…

A: radius (r) = 0.52 m angular acceleration (α) = 3.95 rads2number of revolutions = 15initial angular…

Q: An electric fan makes 300 revolutions per minute. If it comes to a stop after 12 secs, what is the…

A: Given: The initial angular speed is 0 rad/s. The final angular speed is 300 revs/s. The time…

Q: If a centrifuge has an angular acceleration of 33.8 rad/s2 and a radius of 30 meters, what is its…

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Q: A disk (mass = 4.06 kg and radius 0.567 m) is rotating at 649.9 rpm.  How much force (magnitude…

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Q: computer hard disk starts from rest, then speeds up with an angular acceleration of 190 rad/s2 until…

A: Using equation of motion for angular variables, we can get the desired answers.

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

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Q: The crankshaft in a race car goes from rest to 3000 rpmrpm in 3.5 ss. What is the angular…

A: Given: The initial angular speed is 0 rad/s. The final angular speed is 3000 rpm. The time interval…

Q: The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily…

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Q: A centrifuge in a medical laboratory rotates at an angular speed of 3,650 rev/min. When switched…

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Q: A softball pitcher winds up and spins her arm around before releasing the ball. The pitcher's…

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Q: Starting from rest, a wheel with a radius of 0.58 m begins to roll across the ground in a straight…

A: θ=2π x16 = 32 π rad α=4.74 rad/s2 ω2-ωo2 = 2αθ ω = 30.86 sec-1

Q: The end of the cutting cord on a gas-powered weed cutter is 0.21 m in length. If the motor starts…

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Q: A speed skater increases her speed form 10 m/s to 12.5 m/s over a period of 3 seconds while coming…

A: When an object is following non-uniform circular motion( speed is changing), its total acceleration…

Q: A disk of radius 2.25 m rotates about its axis. Points on the rim of the disk undergo tangential…

A: Given that, The radius of disk, r = 2.25 m The tangential acceleration of the rim of the disk,…

Q: An engine flywheel initially rotates counterclockwise at 6.83 rotations/s. Then, during 25.1 s, its…

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