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An object of mass m is on a frictionless table rotating with a given tangential speed vo with a radius of string ri. The string goes down through a hole (no friction) in the table where a given applied force, FA pulls down on the string a given distance d. Then, the object still keeps rotating but in a smaller and smaller circle. Find the final speed of the object after the rope was pulled down the distance d.
A hoop and a disk (both of mass 1.8 kg and radius of 0.2 m) roll without slipping up a straight incline with an initial velocity of 2.8 m/s. What is the maximum gain in height of the disk
1. an object moves along the x axis according to the equation x3.00t 2 -2.00t3.00 where x is in meters and t is in
A 42.0 kg block of ice slides down the plane incline 34.0 degrees. Assuming friction is negligible, what is the acceleration of the block down the incline
Two coils are close to each other. The first coil carries atime-varying current given by I(t) =(4.7 A)e^-0.023t sin(377t). What is the mutual inductance of the coils
Oil is being loaded into a barge through a 150 mm diameter pipe whose exit is at an angle ? (alpha)= 60 degrees to the horizontal. Determine the force exerted by the barge on the rope
The middle C string on a piano is under a tension of 882 N. The period and wavelength of a wave on this string are 3.82 10-3 s, Find the linear density of the string
A uniform linear charge density of 4.0nC/m is distributed along the entire x-axis. Determine the electric flux through this surface
When a certain photoelectric material is illuminated with red light (?=715) and then blue light (?=400), calculate the work function of the material
Two infinite parallel plates separated by distance S are at potentials 0 and V0. What are the charge densities on the plates
A dockworker applies a constant horizontal force of 89.0N to a block of ice on a smooth horizontal floor
The charges and coordinates of two charged particles held fixed in an xy plane are q1 = +2.9 ?C, x1 = 3.5 cm, y1 = 0.50 cm, Find the magnitude and direction of the electrostatic force
Before embarking on a car trip from Michigan to Florida to escape the winter cold, What is the new pressure in your tires, in SI units
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