120 mm
Q: A ball of radius 0.200 m rolls with a constant linear speed of 2.02 m/s along a horizontal table.…
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Q: A disk is initially spinning at +3600 rpm. It increased its angular velocity to +7200 rpm in 9 sec.…
A: Given values: Initial angular velocity, ω1=3600 rpm Final angular velocity, ω2=7200 rpm Time, t=9 s
Q: A car starts from rest and accelerates 0.800 m/s2 to the right for 20.0 s. (The tires do not slip.)…
A: Given, a = 0.8 m/s2 t = 20 sec r = 0.330 m Let the distance travelled by the car be S We will…
Q: A child sits on a merry‑go‑round that has a diameter of .5.00 m. The child uses her legs to push the…
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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 wind turbine is rotating counterclockwise at 0.83 rev/s and slows to a stop in 21 s. Its blades…
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Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: (a) angular speed is, ac=rω2ω=acrω=88.2 m/s24.04 mω=4.67 rad/s
Q: An automatic dryer spins wet clothes at an angular speed of 5.0rad/s. Starting from rest, the dryer…
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Q: If the distal end of a golf club is 1.85 m from the axis of rotation. It completes a downswing in…
A: Given, the distal end of a golf club is 1.85 m from the axis of rotation let L=1.85 m completes a…
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 centrifuge is a common laboratory instrument that separates components of differing densities in…
A: Given data The time taken by the centrifuge is given as t = 11 s. The initial angular speed of the…
Q: A “blink of an eye” is a time interval of about 150 ms for an average adult. The “closure” portion…
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Q: A disk of radius 14 cm, initially at rest, begins rotating about its axis with a constant angular…
A: Given that---- radius r = 14 cm. Angular acceleration = 8.9 rad/s2. Time t = 7 sec. Question ?…
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 2.10 min. (a) What is its angular…
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Q: car is traveling with a speed of 21.0 m/s along a straight horizontal road. The wheels have a radius…
A: Speed of car v = 21 m/s.Radius of wheel R = 0.290 meterLinear acceleration a = 1.40m/s2
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: (a) The centripetal acceleration in terms of angular speed is given by, ac=rω2 Here, r is the radius…
Q: In a bicycle, recall that chain ring is attached to the pedal and the sprocket to the rear wheel.…
A: The radius of the chain ring is, The linear velocity of the chain ring is,
Q: A engine wheel with 2 meter radius starts and rotates with an accleration of 5 rads/s2. whats the…
A: Angular acceleration α=5 rad/s2 Time t=5 s Radius r=2 m
Q: A centrifuge is spinning through an angle given 283.3e-19t + 38.5 radians. What is the angular…
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Q: A 72-cm-diameter wheel accelerates uniformly about its center from 60 rpm to 300 rpm in 5.0 seconds.…
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Q: 4.0
A: The answer is 3 seconds.
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 3.50 min. (a)What is its angular…
A: SOlution: Given that n = 100000 rpm t = 3.5 min
Q: A 45.0cm diameter disk rotates with a constant angular acceleration of 2.50rad/s. It start from rest…
A: Given, Diameter of disk d = 45 cm = 0.45 m Angular acceleration α=2.50 rad/s2 t = 2.30 s Angle θ =…
Q: During Keon's golf drive, the angular velocity of his club is zero at the top of the backswing and…
A: Average angular acceleration = change in angular velocity / time And average tangential…
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
A: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…
Q: The ability of the human eye to rapidly rotate was studied using contact lenses fitted with…
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Q: A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.332 s. (a)…
A: Given Time taken to complete one revolution t=0.332sDistance of point r=4.73cm=0.0473 m
Q: In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm…
A: Given data: Angular velocity (ω) = 1580 degree/sec,its change into radian/sec so,1580 Deg × π/180 =…
Q: A centrifuge in a forensics laboratory rotates at an angular speed of 3,450 rev/min. When switched…
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Q: A bicyclist starting at rest produces a constant angular acceleration of 1.70 rad/ s2 for wheels…
A: Given that,Angular Acceleration ( α) = 1.70 (rad/sec2 )Radius ( r ) = 32 (cm) = 0.32 mHere we need…
Q: A ball of radius 0.200 m rolls with a constant linear speed of 2.47 m/s along a horizontal table.…
A: Assume the radius of the ball is r = 0.200 m. Assume the linear speed of the ball is v = 2.47 m/s.…
Q: An electric circular saw is designed to reach its final angular speed, starting from rest, in4.73 s.…
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A series of small machine components being moved by a conveyor belt pass over a 120-mm-radius idler pulley. At the instant shown, the velocity of point A is 300 mm/s to the left and its acceleration is 180 mm/s2 to the right. Determine (a) the
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- A bus is traveling at a speed of 20.0 m on a straight horizontal road. The wheels have a radius of 0.400 m. If the bus speeds up with a linear acceleration of 1.50 m/s2 for 8.00 s, what is the angular speed of each of the wheels during this time?A wheel of diameter 60.0 centimeters accelerates uniformly about its center from 120 rpm to 380 rpm in 3.00 seconds. Determine the following: Part A Its angular acceleration. Use 'rad/s^2' for your units. Part B The linear acceleration of a point on the edge of the wheel 1.50 s after it has started accelerating.A figure skater spinsand slows down with an angular acceleration of 1.75 radians per second squared. If she initially spun for 0.4 seconds, how many turns does she go through while slowing to a stop
- A race car, starting from rest, travels around a circular turn of radius 28.5 m. At a certain instant, the car is still accelerating, and its angular speed-is 0.794 rad/s. At this time, the total acceleration (centripetal plus tangential) makes an angle of 35.0° with respect to the radius. What is the magnitude of the total acceleration? Number UnitsA ball of radius 0.200 m rolls with a constant linear speed of 3.35 m/s along a horizontal table. The ball rolls off the edge and falls a vertical distance of 1.80 m before hitting the floor. What is the angular displacement of the ball while the ball is in the air?A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.249 s. (a) Find the angular velocity of the disk. magnitude direction clockwise (b) Find the speed of a point on the disk 5.15 cm from the axis of rotation.