A 80kg person sits 2m from the center of the rotating platform and the platform has a tangential speed of 3m/s. How much centripetal force is required to keep that person rotating on the platform?   A. 360N   B. 17.77N   C. 120N   D. 360 LBS

Q: What is the magnitude of the tangential acceleration of a bug on the rim of an 11.0-in.-diameter…

A: Angular velocity , ω0 = 79 rev /min = 8.27 rad /min Time , t = 4.5 s Diameter , D = 11 inch  Radius…

Q: A 3.45-kg centrifuge takes 72 s to spin up from rest to its final angular speed with constant…

A: Given Data Mass of the centrifuge is m=3.45 kg Initial angular speed of the centrifuge is ω0=0 Speed…

Q: A 30kg child rides a circus train that performs vertical turns of radius 20 m every 22 sec. What is…

A: In this case centripetal force is acting outwards and the weight is acting downward ss the resulting…

Q: A point on the rim of a 0.7 m radius rotating wheel has a centripetal acceleration of 7.2 m/s2. What…

A: Given  Point R1=0.7m Centripetal acceleration ac=7.2 m/s2 Point R2=0.25m

Q: An athlete swings a 5.50-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: A point on the rim of a 0.79 m radius rotating wheel has a centripetal acceleration of 9.2 m/s2.…

A: Given value--- radius = 0.79 m . centripetal acceleration = 9.2 m/s2 . We have to find--- angular…

Q: 5. While traveling on a curved dusty road, a car gets a centripetal acceleration of 12.5 m/s² If the…

A: When an object moves in a circle then it has an acceleration vector pointed towards the center of…

Q: A bug with a mass of .05 kg sits on a rotating disk, 10 cm from the center of rotation. The disk is…

A: (a)The schematic labelled diagram of the system is:

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 1.50 min. (Enter the magnitudes.) (a)…

A:

Q: 1. An object is swung in a horizontal circle with a radius of 0.5 m. If the object makes one full…

A:

Q: In a cricket match, the bowler throws a ball towards the batsman. The ball starts to spin with 18.0…

A: Given data: The initial speed of ball is ωi=18 rev/s×2π rad/s1 rev/s=36π rad/s. The radius of ball…

Q: 5. An astronaut is placed on a centrifuge, which starts from rest. It accelerates with an angular…

A: Given Initial angular velocity is ω0=0 Angular acceleration is given as α=0.50 rad/s2 Final angular…

Q: An athlete swings a 5.00-kg ball horizontally on the end of arope. The ball moves in a circle of…

A:

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: An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut starts from rest and…

A: R = 10 mt = 10 sec ac = 10g  = 98 m/s2

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

A: Centripetal acceleration =ω2R Linear speed=V=ωR where ω=angular speed R =radius

Q: A baseball pitching machine works by rotating a light and stiff rigid rod about a horizontal axis…

A: Given,

Q: A discus in the hand of an elite athlete smoothly accelerates from a linear velocity of 0 m.s at the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Amelia gives her doll a merry-go-around ride on an old phonograph set at 45 pm. The doll is 17 cm…

A: Given : ω = 45 rpm r = 17 cm = 0.17 m

Q: A disk that is 3 m in radius spins at the rate of 4 revolutions per second. 000 What is its angular…

A: Given data Radius of the disk, R=3 m Rate of revolution, ω=4 revoluyiond/ second

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

A: (a) The expression for the angular speed is, ω=ar Substituting the givens, ω=9g5.09 m   =99.8…

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

A:

Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 2.0 min. (a)What is its angular…

A:

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: 8. A man is travelling at 25 m/s on the edge of a centrifuge device used for testing astronauts and…

A: Given Speed v= 25 m/s  Radius r = length of arm = 20m

Q: A 30-kg child is sitting 5.0 m from the center of a 500-kg merry-go-round that is rotating…

A: Given  Mass of child m=30kg  Mass of merry-go round M=500kg  Distance of child from centre r=5m…

Q: 3. In a Bangladesh-Australia cricket match, Sakib Al Hasan throws a ball towards the batsman. The…

A:

Q: • A chainsaw is shown i . When the saw is in operation, the chain moves with a linear speed of v =…

A:

Q: 8. Callum is playing tetherball. The tetherball has a mass of 0.4 kg and has a tangential velocity…

A: Solution: given that m =0.4 kg v = 2.4 m/s r = 1.5 m

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: 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: A. Calculate the angular acceleration of the centrifuge assuming it to be constant. B. How long…

A:

Q: 1. At the Olympics, a discobolus “discus thrower" starting from rest, spins up to an angular…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: 1: At its lowest setting a centrifuge rotates with an angular speed of w, = 250 rad/s. When it is…

A: Given:- ω1 = 250 rad/sec ω2 = 650 rad/sec t = 14.5 sec  Find:- a) The angular acceleration at the…

Q: A discus in the hand of an elite athlete smoothly accelerates from a linear velocity of 0 m.s at the…

A: Given data: The initial linear velocity is vi=0 m/s. The final linear velocity is vf=23 m/s. The…

Q: p…) that is 8 ft long. The incline has a height of 4 in going to 0 inches in 8 ft. There I no…

A: A Billiard ball of radius r = 1.25 in = 0.03175 m  The mass of the ball m = 165 g = 0.165 kg  it…

Q: A point on the rim of a 0.87 m radius rotating wheel has a centripetal acceleration of 8.8 m/s2.…

A: All points on a rigid body have the same angular rotation angles. Because the angular velocity is…

Q: . A 5 Kg cat sits 2 m from the center of a merry go round. The merry go round is set in motion, and…

A:

Q: An athlete swings a 6.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: An astronaut is being tested in a centrifuge. The centrifuge has a radius of 14 m and, in starting,…

A:

Q: question 52 please

A: Calculating the maximum speed of the car on the given banked road in order to make the curve without…

Q: An athlete swings a 4.20-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A:

Q: A 2 m rope attaches a tire to an overhanging tree limb. A boy swinging on the tire has a tangential…

A: we know centripetal force,    Fc =mv2/r or, m = (Fc×r)÷v2 where ,m = mass of the object  v =…

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.