record on a record-player rotating at 8.0 rad/s slows to a stop in 10 s. If the acceleration is onstant, the angle through which the turntable rotates in the 10 s is O 0.80 rad O 0.40 rad 40 rad 80 rad 16 rad
Q: A potter's wheel moves uniformly from rest to an angular speed of 0.15 rev/s in 35.0 s. (a) Find…
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A: Find the initial angular speed of the wheel. ∆θ=ωavgt=ωf+ωi2t2∆θt=ωf+ωiωi=2∆θt-ωf Substitute the…
Q: A potter's wheel moves uniformly from rest to an angular speed of 0.21 rev/s in 32.0 s. (a) Find its…
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A: Step 1:We know from the conservation law of angular momentum, I1ω1=I2ω2 ........(1)I1 is the…
Q: A phonograph record accelerates from rest to 35.0 rpm in 3.73 s. (a) What is its angular…
A: The initial angular speed is, ωi=0 The final angular speed is, ωf=35 rpm=3.665 rad/s The time…
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Q: When a turntable rotating at 45 rpm is shut off, it comes to rest in 23 seconds. What is the initial…
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Q: A rotating wheel requires 6.00 s to rotate 30.0 revolutions. Its angular velocity at the end of the…
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Q: A record on a record-player rotating at 6.0 rad/s slows to a stop in 5 s. If the acceleration is…
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Q: A gyroscope slows from an initial rate of 58.8 rad/s at a rate of 0.801 rad/s². (a) How long does it…
A: Given that: ω=58.8 rad/sα=0.801 rad/s2t=? Since, t=ωαt=58.80.801t=73.408 s
Q: A record player rotates a record at 45 revolutions per minute. When the record player is switched…
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Q: A 350-kg disk (with uniform density) is shown below. Its rotation axis is through its center. If the…
A: Mass of the disc (M)=350 kg Final angular velocity of the disc (ω)=25 rad/s Radius of the disc (R)=1…
Q: A flywheel turns through 60 rev as it slows down from an angular speed of 12π rad/s to a stop. What…
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Q: A rotating wheel requires 5.00 s to rotate 29.0 revolutions. Its angular velocity at the end of the…
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- A rotating wheel requires 3.08-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.08-s interval is 98.3 rad/s. What is the constant angular acceleration of the wheel? rad/s2The turntable on a record player slows from 5.0 nd to nd 7.3- turntable's angular acceleration? in 3.1 s. What is the nd 4.0 2.1분 rad -7.1 rad D. rad -0.74 B.A phonograph record accelerates from rest to 36.0 rpm in 4.53 s. (a) What is its angular acceleration in rad/s²? rad/s² (b) How many revolutions does it go through in the process? rev
- A rotating wheel requires 6.00 s to rotate 28.0 revolutions. Its angular velocity at the end of the 6.00-s interval is 95.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel? rad/s2A turntable rotates with a constant 2.25 rad/s² angular acceleration. After 4.50 s it has rotated through an angle of 30.0 rad. What was the angular velocity of the wheel at the beginning of this interval?The angular speed of the hour hand of a clock, in rad/s, is: a. 1/30 π b. 1/1800 π c. 7200 d. 1800 e. 1/7200 π
- A rotating wheel requires 7.00 s to rotate 30.0 revolutions. Its angular velocity at the end of the 7.00-s interval is 99.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel? rad/s²During a very quick stop, a car decelerates at 7.69m/s?. a) What is the angular acceleration of its 0.195-m-radius tires, assuming they do not slip on the pavement? rad/s? b) How many revolutions do the tires make before coming to rest, given their initial angular velocity is 89 rad/s? rev c) How long does the car take to stop completely? d) What distance does the car travel in this time? e) What was the car's initial velocity? m/s