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During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive force of 115 N to the tire's rim. The mass of the wheel is 1.70 kg and, for the purpose of this problem assume that all of this mass is concentrated on the outside radius of the wheel. The diameter of the wheel is 60.0 cm. A chain passes over a sprocket that has a diameter of 8.75 cm. In order for the wheel to have an angular acceleration of 4.60 rad/s2, what force must be applied to the chain? (Enter the magnitude only.)
N
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.6 m/s. How much time does it take until he catches his friend
A spring with a constant of 32N/m is placed on a horizontal smooth surface and a mass of 2.3 kg is pushed against it. What is the velocity of the mass as it leaves contact witht he spring
A rectangular barge, 5 m long and 2 m wide, floats in fresh water. How much deeper would it go if there were a 500kg horse on it.
A red light flashes at position xR=4.00 m and time tR=1.00x10-9 s and a blue light flashes at xB=5.00 m and tB=8.50x10-9 s. Find the location of the two flashes in frame S'
A hydrogen atom is in its ground state when its electron absorbs a 48 keV photon. What's the energy of the resulting free electron
A force of 25.33 N is applied tangentially to a wheel of radius 0.340 m and gives rise to an angular acceleration of 1.20 rad/s^2
A 25 kg cannon shell is subjected to a constant acceleration of 1200 g while in the cannon barrel. What force is the burning propellant exerting on the shell?
A 52-kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s, determine her altitude as she crosses the bar
A suitcase weighing 228N is at rest on the floor of a hotel lobby. The co-efficient of static friction between the suitcase and the floor is 0.49, and the coefficient of kinetic friction is 0.313. With what least amount horizontal force must a bel..
Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing for a healthy young person, What is the largest possible value for the frequency of the other ultrasonic wave
You measure an electric field of 1.26×106 N/C at a distance of 0.149 m. from a point charge. find the magnitude of the charge
A baggage handler throws a 20kg suitcase along the floor of an airplane luggage compartment with a speed of 1.2 m/s. What is the suitcase's coefficient of kinetic friction on the floor
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