When an electric fan is switched on, the blades take 20 seconds to achieve an angular velocity of 50 revolutions per minute.  calculate average angular acceleration

Q: What happens when two torques act equally in opposite directions? A. Angular acceleration is zero.…

A: we know that  torque = force x perpendicular distance from point action = r x F IF two forces act in…

Q: *83 about axes that pass through their centers. Each has a radius of 0.20 m ssm Two spheres are each…

A: Given data: The angular speed is, Ѡ0= 24 rad/s The radius is, R=0.20 m The mass is, m=1.4 kg The…

Q: what was his angular velocity when he left the diving board?

A: As per the conservation law of angular momentum. Here, L, I, and ω represent the diver’s angular…

Q: 3. A supernova results when a star that has used up all of its fuel undergoes an extremely violent…

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Q: *13. Two people start at the same place and walk around a circular lake in opposite directions. One…

A: It is given that,

Q: As a marble with a diameter of 1.8-cm rolls down an incline, its center of mass moves with a linear…

A: According to rotational kinematics, ω=ω0+αt  where ω=final angular speed         ω0= Initial angular…

Q: drops a solid cylinder from the top of a half-pipe of radius 8-m. What is its translational  speed…

A:

Q: 20. A figure skater is spinning with an angular velocity of +15 rad/s. She then comes to a stop over…

A: It is given that,

Q: The angular velocity of a circular saw blade increases from 0 rad/s to 120 rad/s in 5.4 s. The saw…

A: GIVEN: initial angular velocity ωi=0 final angular velocity ωf=120 rad/s time t=5.4 s radius r=5.4m…

Q: 1. When a pitcher throws a curve ball, the ball is given a fairly rapid spin. Assume a 0.15 kg…

A: Given: The mass of baseball is m=0.15 kg. The radius is r=3.7 cm. The linear speed is v=48 m/s. The…

Q: A washing machine starts the spins cycle from rest. The tub has a 4 diameter of 0.80m. It…

A: n rev/sec = 2*pi*n rad/sec

Q: 2. A wheel starts from rest and reaches a rotational speed of 100 rev/min within 30 rev. Assuming a…

A:

Q: 7. Two discs are initially spinning in opposite directions. The upper disc has rotational inertia of…

A: Write the given values. Consider the counter-clockwise rotation rate of the disc as positive and the…

Q: 7. A drone can increase its moment of inertia by a factor of 2.5 just by altering its blade…

A:

Q: The angular velocity of a circular saw blade increases from 0 rad/s to 120 rad/s in 5.4 s. The saw…

A: Given data:  Initial angular velocity (ω0) = 0 rad/s Final angular velocity (ω) = 120 rad/s Time (t)…

Q: 2. Starting from rest, a point on a disk attains an angular speed of 33.3 revs/minute over an…

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Q: A certain merry-go-round at a carnival takes 65.0 seconds to go all the way around once. Suppose the…

A:

Q: Determine the magnitude of the angular velocity of a tire at 0.1 minute if it had an angular…

A: Given Initial angular velocity is ω0=6 rad/s Angular acceleration is α=5 rad/s2 Time interval is…

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: A wheel that was initially at rest began to rotate with constant angular acceleration. Calculate the…

A: Initial angular velocity, ω=0 rad/s Final angular velocity, ω'=14 m/s Time taken to reach 14 rad/s,…

Q: 7. At the instant shown, cable AB has a velocity of 3 m/s and acceleration of 1.5 m/s', while the…

A:

Q: A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of -5.60…

A: Formula to calculate the angular displacement of a wheel with a uniform angular speed is given by,…

Q: A small fan has blades that have a radius of 0.0600 m. When the fan is turned on, the tips of the…

A: Given data: Radius (r) = 0.0600 m Tangential acceleration (a) = 22.4 m/s2 Required: Angular…

Q: A discus thrower is pivoting about their long axis. The thrower is creating an angular acceleration…

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Q: 9) A wheel with radius 50.0 cm is rotating with 3500 rpm. It slows down to 50 rpm in 40 seconds. (a)…

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Q: 10. A clay vase on a potter's wheel experiences an angular acceleration of 8.00 rad/s due to the…

A: Given: The angular acceleration is α=8 rads2. The torque is T=10 Nm. The expression for inertia is:…

Q: Att-3s, a point on the rim of a 0.200-m-radius Wheel has a tangential speed of 50m/s as the wheel…

A: let t = 3.0 s , r = 0.200 m , tangential velocity , v = 50 m/s  tangential acceleration , atan =…

Q: An optical disk drive in a computer can spin a disk at up to 10,000 rpm. If a particular disk is…

A:

Q: 2. A vehicle is slowing down at a rate of 2.5 m/s². If the tires of radius 0.30 m have initial…

A: As per guide lines first 3 sub part is solved, kindly post the remaining as new question.

Q: 6. A car is initially at rest waiting for traffic lights to change. Once the green light comes on is…

A: Given - initial speed of car , u =0 m/s  initial angular velocity of wheel , ωo=0 rad/s linear…

Q: A volleyball player spikes the ball. At the instant that she begins to extend her shoulder to bring…

A: Average angular acceleration is given by the formula α =ωf-ωi∆tωf=final angular velocityωi=final…

Q: A small fan has blades that have a radius of 0.0600 m. When the fan is turned on, the tips of the…

A:

Q: The largest tire ever made had a radius of 2.75 m. Suppose this tire underwent a linear acceleration…

A: The equation for the angular acceleration is given by, α=ar Here, a is the linear acceleration and r…

Q: What happens when two torques act equally in opposite directions? a) Angular acceleration is zero.…

A: Angular acceleration = change in angular velocity / time Torque = moment of force = rate of change…

Q: 8. A machine part rotates at an angular speed of 0.060 rad/s; its speed is then increased to 2.2…

A: Given:  final angular speed = 2.2 rad/sInitial angular speed = 0.060 rad/sAngular acceleration =…

Q: 4- A disc accelerates uniformly from 300 revolutions per minute to 600 revolutions per minute in 25…

A: Given: A disc accelerate uniformly from 300 revolutions per minute to 600 revolutions per minute in…

Q: 1. Refer to figure 1. Calculate the rotational velocity (magnitude and direction), frequency,…

A:

Q: A disk starts from rest and uniformly increases angular speed to 0.24 rev/s in a time of 31 s. What…

A: Initial rotational speed,  Final rotational speed,  Time taken,

Q: Adelaide performs a triple twisting jump while figure skating. She rotates around her longitudinal…

A: Given : She rotated around her axis three time that means she three complete rotation in 0.8…

Q: The second question: a wheel rotates from rest with uniform angular acceleration, and its speed…

A: Revolution per second=50 Time=10sec

Q: A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s…

A: The equation for angular acceleration is given by,

Q: What will happen if an ice skater spinning on one of her toes extends her arms ? A.) Her moment of…

A:

Q: A playground merry-go-round has Moment of Inertia of 500 kg-m2 and a radius of 4.5 m. Four children,…

A: The initial angular momentum is, Li=Iiωi=500 kg·m20.44 rad/s=220 kg·m2/s The final moment of inertia…

Q: A 58 kg child is riding on the outer rim of a merry-go-round. The merry-go-round has a radius of 2.2…

A:

Q: 4. When the angular velocity of a 4 in diameter pulley is 3 rad/sec, the total acceleration of a…

A: Since you have asked to solve question number 4, so we are solving the same for you. If you need an…

Q: A truck in a stationary state accelerates with a =6 (m/s2) acceleration with its rear cover open.…

A: Formula of linear acceleration in terms of angular acceleration is as follows: a=αrsinθ…