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Q: A cyclotron produces a beam of charged particles useful in medicine. The cyclotron accelerates…
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Q: A uniform disk of mass 2.31 kg has a radius of 0.100 m and spins with a frequency of 0.550 rev/s.…
A: Angular momentum of the uniform disk is L=Iω=12mr2ω
Q: A circular wheel goes from rest to full speed of 31 rev/min in 1/8 of a complete rotation. 1.…
A: A) Radius = 1.3 m mass = 109 kg Moment of inertia = M R2 = (109 *1.3)* 1.3 = 184.21 kg m2
Q: is its angular velocity, in rev/s, after a 37.5 kg child gets onto it by grabbing its outer edge?…
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Q: If the Earth rotates 1.00 times every 24.0 hours, what is its angular velocity?
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Q: 31 32
A: 31) the expression for the balancing moment with respect to the point where normal force is acting.
Q: A sphere (M = 40 kg; R = 2m) is rolling without slipping. When it gets to an incline it goes up 2…
A: Mass = 40 kg R = 2 m H = 2 m
Q: The rotation of a potter's wheel is started by applying a force of 20N to the edge of the wheel. The…
A: i) The expression for find moment of inertia of wheel is I=rFα Substitute values in the above…
Q: How much torque would it take to make the wheel speed up from rest to 1.5 rev/sec in 10 sec? b. Now…
A: The moment of inertia of a rigid body is the sum of the products of the masses of all the particles…
Q: A 1.6-kg ball of radius 25 cm rolls across level ground at 4.0 m/s without slipping. What is its…
A: mass = 1.6 kg Radius = 25 cm = 0.25 m Speed = 4 m/s Using relation between linear and angular speed…
Q: A 2.5 kg disk of radius 0.25 m is free to rotate about an axis at its center. What force, exerted…
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Q: The 19-cm diameter disk in can rotate on an axle through its center. 30 N 45° 5 cm 5 cm 20 N X 30 N…
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Q: A vinyl record spins freely on a frinctionless turntable. The mass of the record is 0.10 kg, the…
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Q: circular disk with a radius of 0.43 m is subject to 2 tangentially applied forces. The disc is fixed…
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Q: 5t - 21, with a in rad/s2 and t in seconds. At time t = 0, the wheel has an angular velocity of -3.0…
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Q: 8. A 3 kg uniform disk has a radius of 2 m. An external torque of 10 N-m is applied to the outside…
A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…
Q: A long, thin rod (with uniformly distributed mass) rotates about an axis through its center. The rod…
A: The moment of inertia of a rod rotating about an axis passing through its center is given by, I =…
Q: vector points upward instead of down. The wheel continues to spin at the same rate. After the wheel…
A: Given: Axis of wheel is vertical so the wheel is in horizontal position. Stool is frictionless. Z…
Q: A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the…
A: Net torque acting on the solid metal disk is τnet=r1F1+r2F2-r3F3=0.5 m×18 N+1.0 m×15 N-0.5 m×20 N=14…
Q: 008 The tape in a videotape cassette has a total length 279 m and can play for 2.2 h. As the tape…
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Q: A thick cylinder of inner radius 10 cm and outer radius 50 cm rolls at 4 m/s without slipping. What…
A: Given data: Inner radius of the cylinder, r=10 cm=0.10 m Outer radius of the cylinder, R=50 cm=0.50…
Q: A meter stick has a pivot placed ate 30 cm. The following masses are placed at the following…
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Q: The 22-cm-diameter disk pictured can rotate on an axle through its center. What is the net torque…
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Q: 54. A cylinder with rotational inertia 11=2.0kg m2 rotates clockwise about a vertical axis through…
A: Given: I1 = 2.0 kg.m2ω1 = +5.0 rad/s(clockwise)I2 = 1.0 kg.m2ω2 =- 8.0 rad/s(counterclockwise)
Q: A wheel rotating about a fixed axis has an angular position given by q = 3.0 - 2.0t³, where q is…
A: Given data: Angular position (q) = 3.0 - 2.0t3 Required: The angular acceleration at t = 2.0 s
Q: The 22-cm-diameter disk in figure can rotate on an axle through its center.What is the net torque…
A: Introduction: 1) Torque is simply a measure of component of force that cause an object to rotate…
Q: SP1. A merry-go-round in the park has a radius of 1.8 m and a rotational inertia of 900 kg-m². A…
A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…
Q: A golf club is swung with an average angular acceleration of 2 rad/s2. What is the angular velocity…
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Q: flywheel is rotating at an angular velocity of 8 rad/s. It slows down at a rate of 2 rad/s?. How…
A: Given data::Initial angular velocity (ωi) = 8 rad/sFinal angular velocity (ωf) = 0 rad/sAngular…
Q: Suppose the rotational kinetic energy of a solid disk is 1000 J when the disk has an angular…
A: The expression for the rotational kinetic energy of the solid disk is as follows: E=12Iω2I=2Eω2…
Q: A ballerina spins initially at 1.56 rev/s when her arms are extended. She then draws in her arms to…
A: Given data: Initial angular speed, ω1=1.56 rev/s Initial moment of inertia, I1=? Final angular…
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- The 470 g bar is rotating as shown in the figure. What is the angular momentum of the bar about the axle?Express your answer with the appropriate units.A mass on the end of a 0.50 m long string is spun overhead with a velocity of 3.5 m/s. What is the angular velocity of the mass? 0.14 rad/sec 1.17 rad/sec 7.00 rad/sec 24.5 rad/sec t 9964A wheel rotates clockwise about its central axis with an angular momentum of 600Kg.m 2 /s.At time t= 0, a torque of magnitude 50N.m is applied to the wheel to reverse the rotation. If the same torque is maintained, at what time will the angular momentum be counter-clockwise of 600Kg.m 2 /s?
- Use g = 10 m/s/s.In a downtown office building, you notice each of the four sections of a rotating door has a mass of 90 kg. What is the width, in meters, of each section of the door if a force of 62 N applied to the outer edge of a section produces an angular acceleration of 0.490 rad/s²? 3 WO WWhat is the angular speed in revolutions per minute (rpm) of a 16.9 g CD with a rotational period of 141 seconds? A 0.374 rpm B 0.213 rpm C 0.553 rpm D 0.511 rpm E 0.426 rpm
- The angular speed of a rotating platform changes from W equals 2.8 rads/S to W equals 6.8 rad/S at a constant rate as a platform moves through an angle 5.5 rad. The platform has a radius of R equals 28 cm w0=2.8rad/s w=6.8rad/s 0=5.5 radians r=28cm calculate the angular acceleration of the platform a in rad per second squared calculate the tangential acceleration, aT in meters per second squared of a point on the surface of the platform at the outer edgeA 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?A merry-go-round with a radius of 2.2m rotates 10.0 times every 5.00s. The merry go round has a mass of 100.0 kg. What is the ride’s angular momentum? If a torque of 5 N*m is applied for 15.0s, what is the change in the angular momentum?
- A ball rolls on the ground at a speed of 3.0 m/s without slipping. If the radius of the ball is 10 cm, what is the angular speed of the ball? Multiple Choice 30 rad/s 0.30 rad/s 90 rad/s 3.3 rad/sA vinyl record spins freely on a frinctionless turntable. The mass of the record is 0.10 kg, the radius is 0.10 m, the rotational inertia is 5.0 x 10-4 kgm2 and it rotates with angular speed of 4.7 rad/s. A 0.024 kg piece of clay falls on the edge of the record. Determine the angular speed of the record right after the clay sticks to it. Use conservation of momentum.A 10 kg wheel with a 0.4 meter radius is rotating at 4 rad/s. A 8 Nm torque is applied to the wheel. The rotational inertia of the wheel is 0.48 kgm2. The angular momentum of the wheel changes by 4 kg*m2/s. How long was the torque applied to the wheel.