Astronauts in the International Space Station must work out every day to counteract the effects of weightlessness. Researchers have investigated if riding a stationary bicycle while experiencing artificial gravity from a rotating platform gives any additional cardiovascular benefit. What frequency of rotation, in rpm, is required to give an acceleration of 1.4g to an astronaut’s feet, if her feet are 1.1 m from the platform’s rotational axis?

Q: A 1.25 g pepperoni rests at a distance of 7.5 cm from the centre of a pizza being spun by the pizza…

A: mass (m) = 1.25 g = 0.00125 kg distance from center (r) = 7.5 cm = 0.075 m Angular speed (ω) = 68…

Q: If the man pulls the strap with constant acceleration during a short time interval Δt, calculate the…

A: Vf=1.9m/s R=0.4m M=2.4kg ∆t=0.3sec

Q: Where on the Earth's surface is the centrifugal acceleration due to its rotation the greatest? Why?

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Q: A 1.3 kg rock is swung in a circular path and in a vertical plane on a 3.3 m length string. At the…

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Q: A coin is placed on a platform that makes 3 turns in 3.14s. Since money can stand 5cm away from the…

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Q: A car travels around an unbanked curve at 17 m/s. If the static friction coefficient between the…

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Q: Is it possible for a car to move in a circular path in such a way that it has a tangential…

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Q: A 1.1 kg rock is swung in a circular path and in a vertical plane on a 2.4 m length string. At the…

A: Given,mass of the rock, m = 1.1 kglength of the string, L = 2.4 mangular velocity of the rock, ω =…

Q: If you are driving at a German motorway at 262 km/h, what radius of curvature (in m) of a curve is…

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

A:

Q: A planet orbits a star, in a year of length 3.48 x 107 s, in a nearly circular orbit of radius 1.51…

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Q: A race car starts at rest and accelerates in a circular path (r = 500 m) to a speed of 35 m/s in 11…

A: Given : r = 500 m vi = 35 m/s t = 11 s vf = 15 m/s

Q: If the satellite has a mass of 4800 kg and a radius of 4.1 m , what is the required steady force of…

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

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Q: A 1.6 kg rock is swung in a circular path and in a vertical plane on a 2.9 m length string. At the…

A:

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: If the rotation of a planet of radius 4.42 x 10° m and free-fall acceleration .2 7.9 m/s increased…

A: Given : Radius (r) = 4.42 x 106 m Free-fall acceleration (a) = 7.9 m/s2

Q: If the tangential acceleration is there (0) this is an indication that: Select one: O a. the…

A: If there is tangential acceleration, then the motion is not uniform circular motion.

Q: A marble with mass m = 9 g at the end of a massless cord is swinging in a circle of radius R = 1.26…

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Q: How many revolutions per min would a 25-m-diameter ferris wheel need to make for the passengers to…

A: The passengers weight is equal to the centripetal force is related by the equation.

Q: The tallest Ferris wheel in the world is located in Singapore. Standing 42 stories high and holding…

A: Given Diameter D = 150 m Duration T = 30 min = 30 x 60 = 1800 s

Q: Olympic ice skaters are able to spin at about 5.0 rev/s. a. What is their angular velocity in…

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Q: A propeller blade at rest starts to rotate from t = 0 s to t = 1.5 s with a tangential acceleration…

A: To determine,Total acceleration(a) of the tip of the blade.given,tangential acceleration of the tip…

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.85 m, rotating with an angular…

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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 50.0-kg child stands at the rim of a merry-go-round of radius 2.90 m, rotating with an angular…

A: Given :           mass m = 50 kg           radius r = 2.90       angular speed ω= 3.65 rad/si…

Q: How fast (in rpm) must a centrifuge rotate if a particle 9 cm from the axis of rotation must…

A: Given, the distance of the particle from the axis of rotation (i.e., the radius of the circle in…

Q: After 3 seconds, the circular part of a roller coaster is able to make the ride travel from an…

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Q: How many revolutions per minute would a 30 m -diameter Ferris wheel need to make for the passengers…

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Q: Where on the Earth's surface is the centrifugal acceleration due to its rotation the least? Why?

A: Centrifugal force is a fictitious force that appears to act on an object in when its motion is…

Q: A highway curve with radius R = 274 m is to be banked so that a car traveling v = 25.0 m/s will not…

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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 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: The disk on a rotary tool has a diameter of 0.030 m and it rotates with a constant angular speed of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How fast (in rpm) must a centrifuge rotate if a particle 9.50 cm from the axis of rotation is to…

A: distance of particle from axis of rotation (R) = 9.50 cm = 0.095 m acceleration = 117000 g's

Q: To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.00…

A: Given Rotational speed N =100 npm Ratio of radius c/A C/B =4.00 Chamber A simulates acceleration due…

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 3.00 m, rotating with an angular…

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Q: A rocket powered car is set inside a circular track and ignited. Pressure sensors on the wall of the…

A: GivenTime t = 6.76 sRadius r = 2.28 m

Q: ion 20 of 25 A rocket-powered car is set inside a circular track and ignited. Pressure sensors on…

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Q: How fast (in rpm) must a centrifuge rotate if a particle 9.50 cm from the axis of rotation is to…

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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.