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If mass is subject only to a force of the form given by F=-kx it will move SHM. in the experiment, the mass was suspended from a spring and allowed to oscillate vertically. Under these circumstances the mass is subject to gravitational force. Why doesn't gravitational force influence the results? (hint: the total force on the mass can be written as F = -kx-mg. Show that including the the weight of the mass can still result in the equation F=-Kx by changing the equilibrium point for the spring and making a variable change for the displacement of mass
X-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle
A container holds 2.0 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinematic energy of an 8.0 X 10^-3kg bullet with a speed of 770m/s
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
A rubber ball is shot straight up from the ground with speed V0. Simultaneously, a second rubber ball at height h directly above the first ball is dropped from rest
A string under tension of 50.0 N is used to whirl a rock in a horizontal circle of radius 2.5 m at a speed of 20.4 m/s on a frictionless table. What is the breaking strength, in Newtons, of the string
Assume we have an infinitely long wire carrying a current of 2.50 A. It is bent into an L-shape extending into positive infinities along x- and y- axes. Find out the magnitude of the magnetic field at a point P with coordinates (0.30 m, 0.30 m)
An AC generator has a square coil consisting of 248 turns. The coil rotates at ?=79.1 rad/s in a 0.170- T magnetic field. What is the length of one side of the coil
A skateboarder, starting from rest, rolls down a 13.1-m ramp. If the ramp is inclined at 26.5 ° with respect to the ground, what is the component of her acceleration that is parallel to the ground
700 g of an unknown metal powder at Thot = 78°C are dropped into a negligible heat capacity calorimeter containing 140 g of water at 11°C, Calculate the specific heat of the metal powder
An ocean liner leaves New York City and travels 56.0° north of east for 170 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
Two converging lenses are placed 88.0 cm apart. An object is placed 1.100 m to the left of the first lens, which has a focal length of 27.0 cm. What is the focal length of the second lens
You push with a horizontal force of 43.7N against a 25.0N box, pressing it against a rough wall to hold it in place. What is the friction force on the box
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