A 40 kg child sits on the edge of a carnival ride at a radius of 4 m. The ride makes 3 revolutions in 6 s. question:  The force which is holding the child on the ride is most nearly a. 30 N b. 160 N c. 320 N d. 1440 N e. 2880 N

Q: takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m.(a) At how many…

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Q: An athlete swings a 3.40-kg ball horizontally on the end of a rope. The ball moves in a circle of…

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Q: A car with mass m = 1000 kg completes a turn of radius r = 950 m at a constant speed of v = 25 m/s.…

A: Draw the free body diagram for the car.     Here,Friction force FrFr = μs mgCentripital Force,Fc =…

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: At takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m. (a) At how…

A: Linear speed of commercial jet (v) = 70 msdiameter of tires (d) = 0.400 m radius of tires (r) =…

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: At takeoff a commercial jet has a 75.0 m/s speed. Its tires have a diameter of 0.550 m. (a) At how…

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

A: R, radius = 4.80 m acceleration, ac= 9g = 88.2 m/s2

Q: A 19.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rpm. (a) What…

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Q: 3. A typical hard disk in a desktop computer is a uniformly solid, 400 gram disk 3.5 inches in…

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Q: 11. A 0.200 g bee flies at constant speed along a horizontal circular path with a diameter of 84.0…

A: Given, Mass=0.200g=2*10-4kg Time=1min=60sec Diameter=84cm=0.84m

Q: At takeoff, a commercial jet has a 60.0 m/s speed. Its tires have a diameter of 0.850 m. (a) At how…

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

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Q: Pilots can be tested for the stresses of flying high-speed jets in a whirling “human centrifuge,”…

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

A: Given data: Acceleration, a=88.2 m/s

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

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Q: At takeoff a commercial jet has a 50.0 m/s speed. Its tires have a diameter of 0.700 m. (a) At how…

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Q: can I get some help with this question

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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: At takeoff a commercial jet has a 45.0 m/s speed. Its tires have a diameter of 0.550 m.(a) At how…

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

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: 250-g ball at the end of a string is revolving uniformly in a horizontal circle of radius 0.70 m.…

A: Given value--- mass = 250 g. radius = 0.7 m. angular velocity = 2 rev/s. We have to find---…

Q: Astronauts are trained for take-off in a high-speed centrifuge of 5.9 m radius that spins in the…

A: Given information: The radius of centrifuge (r) = 5.9 m The average at which the astronauts are…

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

A: Given,Radius, r = 4.5mCentripetal acceleration, ac=9g

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: At takeoff a commercial jet has a 45.0 m/s speed. Its tires have a diameter of 0.550 m. (a) At how…

A: The speed of the jet, v = 45.0 m/s The diameter of the tires, D = 0.550 m Therefore, the radius of…

Q: An athlete swings a 4.10-kg ball horizontally on the end of a rope. The ball moves in a circle of…

A: Answer Given  Mass of the ball m = 4.10 kg Radius r = 0.710 m  Angular speed ω = 0.520 rev/s

Q: At takeoff a commercial jet has a 50.0 m/s speed. Its tires have a diameter of 0.550 m.(a) At how…

A: a)Relation between linear velocity and angular velocity is,

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: #10. In uniform circular motion, how many parameters of the following are constant: speed, velocity,…

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Q: Can you please answer this question and show the steps

A: Here, the centripetal motion of the car is supplied by the force of friction.

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

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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: 3. A typical hard disk in a desktop computer is a uniformly solid, 400 gram disk 3.5 inches in…

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Q: e swings a ball around him, in uniform circular motion. The circle's radius is r. George rtently…

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

A: Given dataAcceleration (a) =9g=88.2m/s2Radius (r) =4.23m

Q: Pilots can be tested for the stresses of flying high-speed jets in a whirling “human centrifuge,”…

A: Angular velocity is defined as the rate of change of angular displacement with time. Angular…

Q: A truck is (still!) going around a roundabout somewhere in Wisconsin. The roundabout has a radius of…

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Q: 23. A car traveling on a flat (unbanked), circular track w accelerates uniformly from rest with a…

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Q: 1. An ordinary workshop grindstone has a radius of 7.50 cm and rotates at 6500 rev/min. (a) What is…

A: Given: The radius of grindstone is R=7.50 cm. The number of turns is N=6500 rev/min.   (a) The…

Q: 10. At takeoff, a commercial jet has a speed of 60.0 m/s. Its tires have a diameter of 0.850 m. (a)…

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Q: A gyroscope slows from an initial rate of 38.3 rad/s at a rate of 0.801 rad/s2. (a) How long does it…

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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.