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A box of mass 38.5 kg is sitting on a horizontal table top with a coefficient of kinetic friction between the box and the surface of 0.49. This box is connected by a massless string over a pulley to a second mass of 76 kg located above the floor. Find the magnitude of the acceleration of the box on the table.
A distant galaxy emits light that has a wavelength of 557.1 nm. On earth, the wavelength of this light is measured to be 560.8 nm, Find the speed of the galaxy relative to the earth
What is maximal speed v of the elevator
Upon and following the introduction of Coulomb's law, my book keeps referencing to the electric force experienced between two point particles as just that--between two point particles. Does mass affect Coulombs law in any way?
Drag racing combines the reflexes of the driver with a powerful engine to propel a specially designed car across a quarter mile as quickly as possible. What is the time for the car to go the quarter-mile
A particle of mass m moves next to the x axis. Its position varies with time according to x=(3m/s^3)t^3-(4m/s^2)t^2.
A 0.025 kg golf ball moving at 21.0 m/s crashes throughout the window of a house in 2.0 10-4 s. After the crash, ball continues in the same direction with a speed of 10 m/s. assuming the force exerted on the ball by the window was constant, what w..
The baseball bat has a mass of .82kg and is .86m long. What is the baseball bat angular acceleration when it has reached 20 degrees from the verticle
The roof of the student dining hall at your college would be supported by high cross-braced wooden beams attached in the shape of an upside-down L. Each vertical beam is 10.0 ft high and 2.0 ft wide.
Treat the ball as a uniform, solid sphere, ignoring the finger holes. Illustrate what is the acceleration of the center of mass of the ball?
A ferry transports tourists among three islands. It sails from the first island to the second island, 5.41 km away, Calculate the distance between the first and third islands
At one instant, a mass (m = 2 kg) is at the location m and attached to one end of a spring with a spring constant ks = 60 N/m and a relaxed length L0 = 0.22 m. The origin is placed where the other end of the spring attaches to the ceiling.
A solid cylinder of mass 3 kg and radius 0.2 m starts from rest at the top of a ramp, inclined 15°, and rolls to the bottom without slipping. (For a cylinder I = 0.5MR2) The upper end of the ramp is 1.2 m higher than lower end. Find the linear sp..
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