accidentally replace my car’s tires with tires whose diameter is 12% larger than the old ones, how fast will the car actually be going when the speedometer indicates 60 mi/h? Hint: the reading on the dashboard is calibrated based on the tires’ rotational speed when the right type of tires is used

Q: A boy swings a ball on a string around his head in a circle.  Starting out, the radius is ro and the…

A: In this case, a ball on a string has been swinging in a circular path with some initial radius and…

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Q: n 2010, the Sikorsky's X2 helicopter became the world's fastest helicopter, flying at 249 miles per…

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Q: A carnival ride spins people around in a circle that has a radius of 5 m. The carnival ride can make…

A: Write the given values with the suitable variables. r=5 mω=20 rev/min=20×2π60 rad/s=2.094 rad/s…

Q: Andre lives in a hot climate, works outside of the home from approximately 8:00 am to 5:00 pm,…

A: Let us determine the time for which Andre uses the fan. Let us consider that he stays at home on…

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Q: A car of mass m=1500kg is moving down a level road. It comes to a hill whose cross section is semi…

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Q: Kevin decides to soup up his car by replacing the car's wheels with ones that have 1.5 times the…

A: original diameter = d let the diameter of new wheels = d' given relation : d' = 1.5 d

Q: The tires of a car make 88 revolutions as the car reduces its speed uniformly from 104 km/h to 63…

A: We need to calculate how much more time it takes for the car to stop.

Q: A three-blade wind turbine, which spins perpendicularly to the ground, is set on a pole that is 38 m…

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Q: Suppose that a bike is being peddled so that the front gear with radius r=3.0 inches, is turning at…

A: Given data: The radius of front gear is rf=3.0 in. The speed of front gear is ωf=60…

Q: If a centrifuge has an angular acceleration of 35.2 rad/s2 and a radius of 27 meters, what is its…

A: Given, Angular acceleration of centrifuge  α= 35.2 rad/s2  Radius (R) = 27m

Q: uppose that a bike is being peddled so that the front gear with radius r=4.0 inches, turning at a…

A:

Q: An automobile with 0.220 m radius tires travels 60,000 km before wearing them out . How many…

A: Radius (R) of tires = 0.22 m distance moved (d) = 60,000 km

Q: What's the linear speed of a point on the equator of a planet whose radius is 5.4 times that of…

A: Given--- radius of planet = 5.4 times of the earth radius.  We have to find--- linear of a point…

Q: An ultracentrifuge accelerates uniformly from rest to 100,000 rpm in 2.0 min. If this…

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Q: A ceiling fan has two different angular speed settings: ?1 = 455 rev/min and ?2 = 200 rev/min. What…

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Q: How fast (in rpm) must a centrifuge rotate if a particle 7.8 cm from the axis of rotation is to…

A: The centripetal acceleration is a given by                                          a=ω2r…

Q: You have your bicycle upside down while you adjust the chain. The chain is wound around the rear…

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Q: A car tire is 60.0 cm in diameter. The car is traveling at a speed of 24.0 m/s. Part A: What is the…

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Q: You are working in a biology lab and learning to use a new ultracentrifuge for blood tests. The…

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Q: An automobile with tires that have a radius of 0.260 m travels 64000 km before wearing them out.…

A: Given data :                   Radius of the tire (r) = 0.260 m                   Distance traveled…

Q: An ultracentrifuge accelerates uniformly from rest to 100,000 rpm in 2.0 min. If this…

A: The ultracentrifuge’s angular acceleration can be determined as, Here, ω, α, and t represents the…

Q: An object travels in a circular path. It takes 2.4 seconds to complete each rotation. If the radius…

A: Dear student The average speed is given by: Vav = Total distance / total time

Q: You have your bicycle upside down while you adjust the chain. The chain is wound around the rear…

A: .r =4cm R = 11 Ɵ = Vot + αt2/2 Vo = 0 .t = 1s Ɵ = 2(2∏) = 12.56 12.56 = 1/2α(1)2  α = 25.12 now, αR…

Q: A ceiling fan is turned on and reaches an angular speed of 111 rev/min in 23 s. It is then turned…

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Q: Jim is driving a car at a constant speed on a straight path along ckwise direction for 8.50 km. As…

A: Given:- Jim is driving a car at a constant speed on a straight path along a horizontal road in the…

Q: An automobile with 0.320 m radius tires travels 60,000 km before wearing them out. How many…

A: The circumference of the circle is,

Q: An automobile with 0.210 m radius tires travels 85,000 km before wearing them out. How many…

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Q: Your roommate is working on his bicycle and has the bike upside down. He spins the 56.0 cmcm…

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Q: The driven-gear is attached to a bicycle wheel of radius 0.4m. If the drive gear is rotated at 10…

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Q: A car traveling with a constant speed of 30.0 mph (miles per hour) on a section of road that is a…

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Q: The tires of a car make 82 revolutions as the car reduces its speed uniformly from 96 km/h to 63…

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Q: You have a horizontal grindstone (a disk) that is 95 kg, has a 0.36 m radius, is turning at 86 rpm…

A: The torque due to the frictional force is τ=r×f  =rμN…

Q: The power to electric motor rotating at 600 rpm is cut off. If the magnitude deceleration of the…

A: