A solar-powered car is traveling at constant speed around a circular track. Whathappens to the centripetal acceleration of the car if the speed is doubled?A) The centripetal acceleration remains the same.B) The centripetal acceleration increases by a factor of 2.C) The centripetal acceleration increases by a factor of 4.D) The centripetal acceleration is decreased by a factor of one-half.E) The centripetal acceleration is decreased by a factor of one-fourth.

Answered: A solar-powered car is traveling at…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A 5 kg mass is spun around in a circle of radius 2m with a period of 7 s. What equation would you use to calculate the centripetal acceleration? Calculate the centripetal acceleration. Possible Formulas that can be used to answer the question: v=(2πr)/T ac=v2/r ac=(4π2r)/T2 Fc=mac Fg=mg F=(Gm1m2)/d2 g=Gm/r2 T2=(4π2/Gm)r3 v=√(Gm)/r g=9.80m/s2 G=6.67x10-11 (N∙m2)/kg2
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A mother pushes her child on a swing so that his speed is 9.7 m/s at the lowest point of his path. The swing is attached to a point 2.05 m above the child’s center of mass when the swing is motionless.What is the centripetal acceleration of the child at the low point in m/s2? ac = 45.89 What is the magnitude of the force that the child exerts on the seat at the lowest point if his mass is 19.5 kg in N?
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1. If both the mass and speed of an object are doubled while the radius is decreased by 4x, then the centripetal force is? 2. A 5 kg object has a kinetic energy of 90 Joules. What is the speed of this object? 3. The momentum of a 500 g object is 2000 kg m/s. What is the speed of this object? 4. A ball is thrown straight upward at an initial speed of 70 m/s. What is the acceleration of the object after 13 seconds? 5. An object is thrown straight upward with a speed of 90 m/s. What is the speed of the object after 13 seconds?
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The Cajun Cliffhanger at Great America is a ride in which occupants line the perimeter of a cylinder and spin in a circle at a high rate of turning. When the cylinder begins spinning very rapidly, the floor is removed from under the riders' feet. What affect does a doubling in speed have upon the centripetal force? Explain.
A mother pushes her child on a swing so that his speed is 9.7 m/s at the lowest point of his path. The swing is attached to a point 2.05 m above the child’s center of mass when the swing is motionless. What is the centripetal acceleration of the child at the low point in m/s2? What is the magnitude of the force that the child exerts on the seat at the lowest point if his mass is 19.5 kg in N?
V a. R %3D If the speed of a circularly moving object doubled, the centripetal acceleration of that object would 1) increase by a factor of two (2) 2) decrease by a factor of four (4) 3) remain constant 4) increase by a factor of four (4) 5) decrease by a factor of two (2)
A 700 Kg racing car completes one revolution on a circular track in ( 20 s ). The radius of the track is ( 70 m). Answer the following question: a) What is the direction of friction force that exert on the car by the track? b) calculate the centripetal acceleration of the car. c) calculate the friction force that exert on the car. (  = 3.14 ) (d) If the speed of the car is doubled while the radius remains constant what happens to the centripetal acceleration of the car.
A 1000 kg race car is traveling at 60 m/s around a curved section of track that has a radius of 300 m. a) what is the cars centripetal acceleration? b)

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