a ventilation fan has blades 0.25 m in radius rotating at 20 rpm. what is the tangential speed of each blade tip?   a.0.02m/s b.0.52m/s c.5.0m/s d.20m/s

Q: A hamster running in a wheel of radius 10 cm spins the wheel one revolution in 8 seconds. a) What is…

A: Consider an object in rotational and linear motion at the same time. While covering a linear…

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 cd has a diameter of 120mm and spins at 540 rpm b. if a speck of dust is riding on the edge what…

A: SOlution:

Q: (II) The platter of the hard drive of a computer rotates at 7200 rpm (revolution per minute) a) What…

A: Given The frequency of the platter is f = 7200 rev/min. The angular velocity of the platter is…

Q: When a fan is turned off, it's angular speed decreases from 168 rpm to 64.0 rpm in 6.08 s.  a) What…

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Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a…

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Q: A truck with 0.420-m-radius tires travels at 32.0 m/s. What is the angular velocity of the rotating…

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Q: owA Senior gh School Seres A carousel rotates at constant speed and completes a revolution in 10.0s…

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Q: 11. An artificial satellite in a low orbit circles the Earth every 95 minutes consistently. a) How…

A: Given: The time taken by satellite is T=95 min.   (a) The expression of frequency is given by,…

Q: With the aid of a string, a gyroscope is accelerated from rest to 35 rad/s in 0.38 s. (a) What is…

A: Given(s): Initial angular velocity, ωi=0 Final angular velocity, ωf=35 rad/s Time taken, t=0.38 s…

Q: An automatic dryer spins wet clothes at an angular speed of 5.6 rad/s. Starting from rest, the dryer…

A: Angular speed "wf"= 5.6rad/s . average angular acceleration"a"= 3.5 rad/s².

Q: A ceiling fan turns at a rate of 20 RPM what is its speed in radians per second, and the speed of a…

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Q: 5) A wheel with radius 30 cm spins at a rate of 45 rev/minute. a) What is the tangential velocity of…

A: To find tangential velocity and centripetal acceleration

Q: With the aid of a string, a gyroscope is accelerated from rest to 19 rad/s in 0.26 s. (a) What is…

A:

Q: A CD has a diameter of 120mm and spins at 540 rpm.  A- what is period? B- If a speck of dust is…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: 4. When a fan is turned off, its angular speed decreases from 168 rpm to 64.0 rpm in 6.08 s. a) What…

A: The angular acceleration is defined as the time rate of change of angular velocity. Mathematically…

Q: A wheel of radius 7 inches is rotating 15°/s. What is the linear speed of the wheel? Give your…

A: Given a wheel of radius 7 inches is rotating 15°/sThen,15°=π180x15   Since 1°=π180 radthat…

Q: A merry go round with a radius of 6.0 meters rotates at a speed of 8 revolutions per minute (rpm).…

A: Given: The radius of the merry-go round is 6 m. The initial angular velocity of the merry-go round…

Q: At its peak, a tornado is 60.0 m in diameter and carries 500 km/h winds. What is its angular…

A: The expression for angular velocity is, ω=vrω=2vd

Q: The blades in a blender rotate at a rate of 6300 rpm. When the motor is turned off during operation,…

A: Given that the blades in a blender rotate at 6300 rpm.

Q: a centrifuge accelerates  at a constance angualr acceleration from rest to 11,000 revolution per…

A: Given data: The initial angular speed is Ni=0 rpm. The final angular speed is Nf=11000 rpm. The time…

Q: At its peak, a tornado is 66.0 m in diameter and carries 270 km/h winds. What is its angular…

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Q: 10. A coin is placed 10 cm from the axis of a rotating disk. The disk starts from rest and…

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Q: With the aid of a string, a gyroscope is accelerated from rest to 30 rad/s in 0.41 s. (a) What is…

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Q: *62. ao A ball of radius 0.200 m rolls with a constant linear speed of 3.60 m/s along a horizontal…

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Q: A small steel ball rolls counterclockwise around the inside of a stationary 30.0-cm-diameter…

A: Given: Diameter of the wheel = 30 cm Number of revolution = 2  Time taken = 1.20 seconds

Q: A ceiling fan turns at a rate of 76 RPM. What is its speed in radians per second?

A: Given data:  Angular velocity (ω) = 76 rpm Required: Angular velocity in rad/s

Q: A cooling fan is turned off when it is running at 950 rev/minrev/min . It turns 1500 revolutions…

A:

Q: When an electric motor is turned on at t = 0, its angular acceleration is ?= 10e-0.5t where t is the…

A: We have givenAt t=0Angular acceleration (α)=10 e-0.5t

Q: 6. (II) A child rolls a ball on a level floor 3.5 m to another child. If the ball makes 12.0…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: An ultracentrifuge accelerates at a constant rate from rest to 108500rpm in 2 minutes. All questions…

A: Using formula for the constant angular acceleration :that is ;ω=ω∘+αtω→final angular…

Q: 2. A disk that is 3 m in radius spins at the rate of 4 revolutions per second and over a period of…

A: 2. Given, a. radius, r = 3 m initial angular velocity ω0,  ω0=4 revsSince, 1 revs=2π radsω0=4…

Q: The tires on a new compact car have a diameter of 2.0 ft and are warranted for 56,000 miles. (a)…

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Q: 2. A wheel of radius 20 cm is initially rotating at 12 rpm. It then speeds up at a constant rate,…

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Q: A truck with 0.350 m radius tires travels at 35.5 m/s. At how many radians per second are the tires…

A: Given data: The radius of tire is r=0.35 m. The speed of tire is v=35.5 m/s.

Q: 2. Olympic ice skaters are able to spin at about 15 rev/s. (a) What is their angular velocity in…

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Q: (II) A child rolls a ball on a level floor 3.5 m to another child. If the ball makes 12.0…

A: The Length covered by the ball is equal to the product of the number of revolutions of the ball and…

Q: 11. An ant sits on a cd at a distance of 17 cm from the center. If it sits there for 42 seconds, it…

A: The relation between the angular displacement and the radius is given by θ=dr  ⋯⋯1 where d is the…

Q: (II) What is the magnitude of the acceleration of a speckof clay on the edge of a potter’s wheel…

A: Given, angular acceleration, α angular velocity, ω=45 revmin=45×2π60rads=4.71 rads the radius of the…

Q: A carpenter cuts a piece of wood with a high powered circular saw. The saw blade accelerates from…

A: Given, Angular acceleration of circular saw =14 rad/s2 . Final speed of the circular saw =15000…

Q: A truck with 0.380 m radius tires travels at 32.5 m/s. At how many radians per second are the tires…

A: solution as

Q: The blades in a blender rotate at a rate of 6200 rpm . When the motor is turned off during…

A: Given: The intial angular speed is 6200 rpm. The final angular speed is 0 rad/s. The time interval…

Q: A grinding wheel 0.33 m in diameter rotates at 2900 rpm . a) What is the linear speed of a point on…

A:

Q: Q2) A steel ball rotates CCW around the inside of a 20 cm radius wheel. Initially, the ball rotates…

A: Given data: Radius of wheel is, r=20 cm=0.2 m. Initial rotational speed is, N1=100 rpm. Final…

Q: A car travels around a horizontal curve of a radius of 85.0 m with a constant velocity of 50.0 km/h.…

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Q: A truck with 0.420 m radius tires travels at 42 m/s. part a) What is the angular velocity of the…

A: Given data-        radius r=0.420 m        velocity v=42 m/s (a) angular velocity of the rotating…

Q: At its peak, a tornado is 55.0 m in diameter and carries 505-km/h winds. What is its angular…

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Q: A particle moves in a circle of radius 80 m with a constant speed of 30 m/s. (a) What is its angular…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.