Explain why it is easier to balance a quickly spinning basketball on your finger than a slowly spinning dL one. The explanation should involve E7 = dt

Q: Kaetlyn Osmond does a triple toe loop and rotates three times around in 0.91 s. a) What is the…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: Casting of molten metal is important in many industrial processes. Centrifugal casting is used for…

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Q: is its angular velocity, in rev/s, after a 37.5 kg child gets onto it by grabbing its outer edge?…

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Q: During a steady right turn, a person exerts the forces shown on the steering wheel. Note that each…

A: Given,

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Q: A cylinder is rotated at a steady rate, as shown in the above figure. A piece of clothing loses…

A: Given data: The angle of inclination is θ=65.0°. The radius is r=0.350 m. The acceleration due to…

Q: A merry-go-round of radius R = 2.00 m has a moment of inertia I = 250 kg - m² and is rotating at w =…

A: Given Data : The radius of the merry-go-round is given as R = 2m. The moment of inertia of the…

Q: A 230-g mass hangs from a string that is wrapped around a pulley, as shown in the figure. The pulley…

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Q: At a time of t=0 seconds the tires of a moving motorcycle are rotating with an unknown initial…

A: Given data: The initial angular speed is ω=15.7 rad/s. The angular acceleration is α=3.00 rev/s2.…

Q: A wheel accelerates from rest to 59 rad/s at a rate of 58 rad/s-. Through what angle (in radians)…

A:

Q: A child twirls his ball horizontally about his head rather than using it properly. The ball has a…

A: Mass of ball (m)= 0.200 kg length of string (L) = Radius of the circular orbit followed by ball=…

Q: he 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal,…

A: Given  The mass of the centrifure is m = 20 gm. The distance of the astronaut from the axis of…

Q: A large centrifuge is used to expose aspiring astronauts to accelerations similar to those…

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Q: The ability of the human eye to rapidly rotate was studied using contact lenses fitted with…

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Q: A rotating platform of radius R = 2.7 cm is initially at rest. It then begins to move, such that a…

A: (a)The equation for the radial acceleration is given by, The radial acceleration is,

Q: A 0.500-kg ball that is tied to the end of a 1.50-m light cord is revolved in a horizontal plane…

A: The free-body diagram of the ball is,

Q: Harry Potter decides to take Pottery 101 as an elective to satisfy his arts requirement at Hogwarts.…

A: Given data: The mass of the clay is m=3.66 kg. The radius of the wheel is r=0.640 m. The final…

Q: A figure skater with her arms outstretched has a moment of inertia of 4.08 kg-m2. When she brings…

A: Iω=Inewωnewωnew=IωInew

Q: A goat stands on a merry-go-round that is rotating at 6.1 rad/s. If the coefficient of static…

A: Given Angular speed of the merry-go-round is ω=6.1 rad/s Coefficient of static friction between the…

Q: "hat is the angular momentum L of a thin disk about its central axis if the disk is 19.0 cm in…

A:

Q: Three children are riding on the edge of a merry-go-round that is 122 kg, has a 1.60 m radius, and…

A: Given Information:- Mass of the merry-go-round is M=122 kg Initial angular speed of the…

Q: A bus is traveling at a speed of 20.0 m on a straight horizontal road. The wheels have a radius of…

A: Angular velocity,  ω=vr where, v is linear velocity. and r is radius of rotation. The linear…

Q: The hard disk drive in a computer spins at a rate of 7.20 x 10^3 rpm. If the disk has a radius of…

A:

Q: A 200 g, 20-cm-diameter plastic disk is spun on an axle through its center by an electric motor.…

A: τ=Iα=12md22∆ω∆t=12200×10-3 kg20×10-2221800-0 2π rad60 s4.0 s=0.0471 N·m

Q: Adelaide performs a triple twisting jump while figure skating. She rotates around her longitudinal…

A: Given : She rotated around her axis three time that means she three complete rotation in 0.8…

Q: A person sits in a chair that is free to rotate without friction. In their hands, they hold two…

A: a. Moment of inertia of the two masses ( moment of inertia of the person is ignored due to choice of…

Q: A tire (R = 0.5 m) starts from rest and accelerates at 40 m/s? for 8 s. a) What is the total angular…

A: Angular displacement formula is given by: θ=ωt+12αt2 Where ω is the initial velocity, α is the…

Q: A wheel rotates from rest to 60 rad/s at a rate of 100 rad/s2. What angle did the wheel turn while…

A: From kinematics, the expression for the final angular velocity is:

Q: 1. A Ferris wheel with a diameter of 36.0 m starts from rest and achieves it maximum operational…

A: Given:      diameter D= 36.0m       radius R = 18.0m    Tangent speed Vt= 2.70 m/s…

Q: otating with an unknown ngular velocity, at that in: ach tire starts acceleratin n angular…

A: The angular acceleration of the tires = 3.0 rev/sec2 The time t = 5.0 sec  The number of turn = 50…

Q: The mass of two objects are M1 and M2 respectively, and M2 > M1. M2 must have a greater moment of…

A: Given masses M1 and M2 . Also M2 >M1 . We know that mass moment of inertia of a point mass…