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Two small charged objects are attached to a horizontal spring,one at each end. The charges area equal, and the spring constant is350N/m. The spring is observed to be stretched by 0.036m relativeto its unstrained lenght of 0.350m. Determine the magnitude of the charges.
How many centimeters thick would the concrete need to be so that 18.0 per cent of the neutrons are transmitted.
A conveyor belt is used to move sand from one place to another in a factory. The conveyor is tilted at an angle of 13.3° from the horizontal and the sand is moved without slipping at the rate of 6.51 m/s. The sand is collected in a big drum 2.89 m be..
A block of mass m = 2.0 kg is dropped from height h = 90 cm onto a spring of spring constant k = 1960 N/m. Find the maximum distance the spring is compressed
A hollow spherical conductor, carrying a net charge +Q, has inner radius r[1] and outer radius r[2] = 2r[1]. At the center of the sphere is a point charge +Q/2. (a) Write the electric field strength E in all three regions as a function of r.
A mass , m=1.75 kg, is held between two springs having spring constants 30 N/m and 75 N/m respectively, Find the angular frequency, w, for small oscillations
Relative to waiting line models: a. What is meant by the terms single-channel system and multiple-channel system? If a crew offour workers operates as a team in servicing a customer, how many chan- nels does the system have?
A 4.29-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box, Determine the kinetic frictional force that acts on the box
A supertanker (mass = 1.61E+8 kg) is moving with a constant velocity. Determine the magnitude of the resistive force exerted on the tanker by the water
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 671 m/s. The gun is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.029 m below the center. What is the horizontal distance betwee..
you are to purchase a grating that will cause the deflection of the n=2 second- order bright band for red light to be 42°. How many lines per centimter should your grating have
A diver of weight 780 N stands at the end of a diving board of length L = 5 m and negligible mass. The board is fixed to two pedestals separated by distance d = 1.5 m
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