An astronaut candidate is being tested in a centrifuge that has a radial acceleration of 4g. The radius of the machine is 8 m. What is the linear velocity of the astronaut? What is the period of rotation? What is the angular velocity?

Q: An athlete swings a 6.00-kg ball horizontally on the end of a rope. The ball moves in a circle of…

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Q: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut is experiencing 10g,…

A: Given,  Radius, r=10 m Centripetal acceleration, ac=98 m/s2 Angular velocity,…

Q: A particle attached to a string of length r=3m, is forced to move in a circle with constant speed.…

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Q: a spinning disc is moving in uniform circular motion.For anpoint on the disc,which of the following…

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Q: A waterwheel has a radius of 25m. If the velocity at the wheel's edge is 8 m/s, what is the…

A: Given data: Radius (r) = 25 m Velocity (v) = 8 m/s

Q: A cyclist on a circular track of radius r = 800 feet is  traveling at 27 ft s^-1. His speed in the…

A: Radius, r = 800 feet Velocity, v = 27 ft/sec Tangential acceleration, at = 3 ft/sec² Net…

Q: A father fashions a swing for his children out of a long rope that he fastens to the limb of a tall…

A: The magnitude of the centripetal acceleration of the child at the bottom of the swing is given by,…

Q: Suppose you are on a ferris wheel at a carnival, seated 10 meters from the ferris wheel's axis. If…

A: A ferris wheel performs circular motion about its axis. While performing circular motion, the wheel…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high- g…

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Q: An astronaut is being tested in a centrifuge. The centrifuge has a radius of 2 m and, in starting,…

A: Given that an astronaut is being tested in a centrifuge. The centrifuge has a radius of 2 m and, in…

Q: In the right hand rule, your thumb tells you the direction of Select one: a. angular velocity b.…

A: Angular velocity is a vector quantity that requires direction and magnitude. The direction of…

Q: A vehicle, starting from rest, accelerates on a circular track with a 305 m diameter. What uniform…

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Q: What is the linear speed of a point that moves in a circle with a radius of 5 cm with an angular…

A: GivenRadius of ciorcle, r=5 cm=0.05 mAngular velocity ,ω=2 rad/s

Q: What is the angular velocity of a disk with a radius of 0.5m and an outer tangential velocity of…

A: GIVEN radius =0.5 m   tangential velocity =1.5 m/s

Q: A metallic ball, tied to one end of a 2-meter string, executes uniform circular motion along a…

A: v=rω=r2πT=2 m2π0.5 s=25.12 m/s

Q: In designing rotating space stations to provide for artificial-gravity environments, one of the…

A: In the given question, We have to determine the minimum value of radius.

Q: An audio CD has a diameter of 120 mm and spins at up to 540 rpm. When a CD is spinning at its…

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

A: Given The number of revolution is N = 2 rev/s. The angular velocity is calculated as, ω=2πN…

Q: Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the…

A: Given data: The length of blades are: r = 56 m The revolutions of the blade are: N = 13 rpm The…

Q: Consider a bike gear such as the two shown. Let's consider a gear that has a radius of 15…

A: Given: The radius of the gear is 15 cm. The speed of the gear is 4.9 m/s constant.

Q: An ultracentrifuge accelerates from rest to 9.83 x 10° rpm in 2.23 min. What is its angular…

A: Given : Initial angular velocity (wo) = 0 Final angular velocity (w) = 9.83 x 105 rpm = 9.83 x…

Q: Disk 1 has a radius r and rotates with an angular velocity v. A point on the rim ofdisk 1 has a…

A: Let the radius of Disk 1 and 2 be r1 and r2 respectively, tangential speed of disk 1 and 2 be V'1…

Q: When a carpenter shuts off his circular saw, the 10.0-inch-diameter blade slows from 4385 rpm to…

A: Given:Diameter of the blade = 10 inchRadius of the blade = 5 inchAngular velocity = 4385 rpmTime…

Q: how long will it take to rotate 360 degrees if an object is moving at constant angular speed of 250…

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Q: In a DVD player, the centripetal acceleration is measured to be 200 m/s2, at a point that is 0.02 m…

A: Vghhgg

Q: An object rotates a full circle of radius 2m in 5 sec. What is the tangential speed of the object.…

A: Given :- r=2m time taken in full rotation = 5 sec

Q: A bicycle wheel of radius 40.0 cm and angular velocity of 10.0 rad/s starts accelerating at 80.0…

A: centripetal acceleration = R w2 where R is the radius w is the angular speed  = 0.4 * (10*10)  = 0.4…

Q: A new car is tested on a 270-mm-diameter track. If the car speeds up at a steady 1.3 m/s2m/s2 , how…

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Q: An industrial chain is wrapped around the periphery of a 1.5 m radius cylinder, free to rotate on…

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Q: A rotary disc "turns" at a 23 rev/min rate and takes 45s to stop when turned off. What is angular…

A: Convert the initial angular speed in the base SI unit ω0=23revmin×2π rad1 rev×1 min60 sω0=2.41 rad/s…

Q: The rotor on a helicopter turns at an angular velocity of 3.2x102 revolutions per minute.   If the…

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Q: What is the tangential velocity

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Q: A father fashions a swing for his children out of a long rope that he fastens to the limb of a tall…

A: solution as

Q: An audio compact disk (CD) player is rotating at an angular velocity of 32.5 radians per second when…

A: Given Data: The angular velocity of a disk is, ω=32.5 rad/s The radius of a disk is, r=4.0 cm   The…

Q: please answer both

A: Given: angular velocity 'ω' = 9.89 x 105 rpm = 103.56782 x 103 rad /s  time to reach above velocity…

Q: A ferries wheel with radius 20 m which rotates counterclockwise is just starting up. At a given…

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Q: time of 5 rotations (16.5 s) Time of 1 rotation (3.3 s) Distance from shoulder to elbow (20.32cm)…

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Q: A 1.3 kg rock is swung in a circular path and in a vertical plane on a 1 m length string. At the top…

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Q: A 50.0kg child stands at the rim of a merry-go-round of radius 2.20m, rotating with an angular speed…

A: Given Data: The mass of a child is, m=50.0 kg The radius of a wheel is, r=2.20 m The angular speed…

Q: What other degrees from the start point that will result in being the same distance from the ground…

A: We need to determine, the other degrees from the start point that will result in being the same…

Q: A 50KG ball tied to a string moves in a circle that has a radius of 2m. If the ball is accelerating…

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Q: What is the tangential velocity of a train moving in a circular track with radius of 9.72m if its…

A: Given: circular track radius r = 9.72 m Centripetal acceleration ac = 37 m/s2

Q: A 1.3 kg rock is swung in a circular path and in a vertical plane on a 1 m length string. At the top…

A:

Q: What is is the tangential velocity of a train moving in a circular track with radius of 9.72m if its…

A: Given: the radius of circular track, R = 9.72 m  centripetal acceleration, a = 37 m/s2

Q: A planet orbits a star, in a year of length 3.51 x 107 s, in a nearly circular orbit of radius 3.92…

A: Time period, T = 3.51 x 107 s radius, r = 3.92 x 1011 m

Q: What is the angular speed (in rpm) with which the Earth spins on its axis? What is the angular speed…

A: Angular speed of earth's spin and revolution around sun need to be calculated.

Q: A jet fighter pilot flying at 300 m/s makes a turn with a radius of 1.5 km. Determine the radial…

A: ....

Q: An ultracentrifuge accelerates from rest to 9.93 × 10° rpm in 1.87 min. What is its angular…

A: wo = 0 rad/secw = 993000 rpm  = 103986.7 rad/sect = 1.87 min  = 112.2 sec

Q: A father fashions a swing for his children out of a long rope that he fastens to the limb of a tall…

A: The centripetal acceleration is given by ac=v2r

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.