The washing machine's spin drier with an initial angular velocity of 22 rad/s is slowing down uniformly to 10 rad/s while making 68 revolutions. Find the time required to make 68 revolutions. Round your answer to 2 decimal places.
Q: An old 19th centuary iron water wheel used to turn grindstones that produced flour for the 1820…
A:
Q: A wheel is rolling up a hill with a mass, M=13.1kg, a radius R=0.95m, and a moment of intertia…
A: Mass of wheel M = 13.1 kg Radius of wheel R = 0.95 m Moment of inertia I = 0.81 MR2 Maximum height…
Q: The angular speed of an automobile engine is increased at a constant rate from 1,200 rev/min to 3000…
A: The angular speed of an automobile engine is increased at a constant rate from 1,200 rev/min to 3000…
Q: Consider a basketball at the top of a ramp. As the ball (radius= 0.235 m) rolls down the ramp, it…
A: Radius of the object is Height of the ramp is Speed of object at the bottom is Note:Gravitational…
Q: A bicycle wheel starts to accelerate from , = 44rad/s. If the wheel goes through 311 revolutions in…
A:
Q: A point on the rim of a wheel moves with speed of 200 feet per second. Find the angular velocity of…
A: Given data: Linear speed (v) = 200 feet/sec Diameter (d) = 8 feet Required: The angular velocity…
Q: A disk rotates around a fixed axis at its center with an angular velocity of 300 rad/s when it…
A:
Q: A rolling wheel of diameter of 88cm slows down uniformly from 6.8m to rest over a distance of 118m.…
A:
Q: A solid cylinder of radius 0.35 m is released from rest from a height of 1.8 m and rolls down the…
A:
Q: A disk drive is spinning at 10,000 rpm (1045 rad/s). It decelerates to rest in 0.42 s. The disk is…
A: Initial angular velocity of the disk, ωi=1045 rad/s Final angular velocity of the disk, ωf=0…
Q: A turntable that is initially at rest is set in motion with a constant angular acceleration 5.78…
A: Given Initial angular velocity ωi=0rad/s Angular acceleration α=5.78rad/s2 no of revolutions N=9…
Q: An object with a radius of 77.83 cm is rotating at an angular velocity of 15.91 rad/s. Find the…
A: Data We have Radius,r=77.83cm=77.83×10-2m ω=15.91 rad/s To find linear velocity,v=?
Q: The angular velocity of a merry-go-round is increased from 0.43 rad/s to 1.5 rad/s with a constant…
A: Given, Initial angular velocity ω1=0.43 rad/s Final angular velocity ω2=1.5 rad/s Time…
Q: A wheel initially has an angular velocity of 18 rad/s but it is slowing at a rate of 2.0 rad/s2. By…
A: Given, The initial angular velocity, ωu=18 rad/s The final angular velocity, ωv=0 rad/s The angular…
Q: A truck's wheel (R = 0.31 m) is traveling at an initial angular velocity of 17.08 rad/s and is…
A: Given: The initial angular velocity of the truck is 17.08 rads. The rate of deceleration is 4.49…
Q: The washing machine's spin drier with an initial angular velocity of 35 rad/s is slowing down…
A: Initial velocity = 35 rad/s Final velocity = 10rad/s
Q: The angular position of a point on a rotating wheel is given by e = 6.20 + 3.60t² + 4.67t°, where e…
A:
Q: What constant angular acceleration is required to reduce an object's angular velocity from 35.9…
A:
Q: A turn table starts from rest and reaches 10 rad/s of angular velocity in 5.0 s. Find the angular…
A:
Q: A wheel has an initial angular velocity of 30rev/min and then experiences an angular deceleration of…
A:
Q: What is the initial angular position of an object if it has it rotates for a time of 3.47s, an…
A: We have 2 motions translational and rotation. We have angular variables for rotation. These are…
Q: A wheel starts from rest and has an angular acceleration of 4.0 rad/s². When it has made 11 rev, its…
A:
Q: angular speed
A:
Q: A cd rotates at 27 rad/s. What is the angular speed in revolutions per minute (RPM)?
A:
Q: A disk with a diameter of 60 cm speeds up from 20 rad/s to 40 rad/s in 5s. (a) How many revolutions…
A: a
Q: the compact disk rotates from rest to 450 rev/min in 6.0 seconds. The average angular acceleration…
A: Initial angular velocity = 0 radsecFinal angular velocity = 450 revmintime = 6 sec
Q: The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily…
A: Given, Initial angular velocity, ωo = 4.99 revs final angular speed at time, t = 8.21 s, ω = 4.99…
Q: An engine starts at 150 rad/s of angular velocity and uniformly accelerates to 400 rad/s in 5.0 s.…
A:
Q: A machine part rotates at an angular speed of 0.70 rad/s; its speed i the increased to 2.6 rad/s at…
A: We know that the third equation of angular motion is given as ω2=ω02+2αθ where ω is the final…
Q: A solid ball of radius 32.8 cm and mass 8.57 kg starts from rest and rolls without slipping down a…
A: Given, radius of solid ball , r = 32.8 cm mass , m = 8.57 kg Length , l = 9.35 m Inclination degree…
Q: ong does it tak
A: Given: Initial rate is 47.3 rad/s or ωo=47.3 rad/s Rate of 0.696 rad/s2 or α=-0.696 rad/s2
Q: 500 J of work is used to decrease the angular velocity of a disk from 65 rad/s to 52 rad/s. What is…
A: Given, Energy KE = 500 J Initial angular velocity of disk ω0=65 rad/s Final angular velocity of disk…
Q: An engine starts at 150 rad/s of angular velocity and uniformly accelerates to 450 rad/s in 5.0 s.…
A: Given data: Initial angular velocity (ωi) = 150 rad/s Final angular velocity (ωf) = 450 rad/s Time…
Q: A circular disk uniformly decreases its velocity from 17.7 rad/s to 5 rad/s in 19 s. Calculate the…
A: Due to decrease is angular velocity there is a negative angular acceleration. Using rotational…
Q: A wheel, originally rotating at 10 rad/s2. What is its angular speed after it has turned thriugh an…
A:
Q: A uniform disk with a radius of 0.3 m and mass of 59.1 kg rotates at 7.0 rad/s. What is the…
A: Calculate the moment of inertia of the disk. I=12mr2I=12(59.1 kg)(0.3 m)2I=2.6595 kg⋅m2
Q: A medical saw is rotating at a constant rate of 15 revolutions per second. Calculate its angular…
A: Given data: Angular speed (ω) = 15 revolution per second Required: Angular speed in rad/s
Q: A flywheel of a motor weighs 640 lbs and has a radius of gyration of 4 ft. The motor develops a…
A: weight of the flywheel, W=640 lbs W=Mg=640 lbs g=32 ft/s2M=Wg=64032=20 lb radius of Gyration, K=4 ft…
Step by step
Solved in 2 steps with 2 images