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An insulating sphere of radius R=0.10 m has a uniform surface charge density equal to 5.9 mC/m2. A point charge ofmagnitude 0.71 mC is 0.45 m from the center of the sphere. The magnitude of the force exerted by the sphere on the point charge is0.024 N.
Suppose the charged sphere is made from a conductor, ratherthan an insulator. Do you expect the magnitude of the force between the point charge and the conducting sphere to be greater than, lessthan, or equal to the force between the point charge and aninsulating sphere?
Dez pours a liquid (n = 1.43) into a container made of glass (n = 1.51). Find the angle of the corresponding refracted ray
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The temperature of a 2.8 m copper pipe is raised from 46?C to 873?C. What is its change in length
The first-order principal maximum produced by a grating is located at an angle of ? = 11.6 degrees. What is the angle for the third-order maximum with the same light
Suppose you want to produce photoelectrons with kinetic energy 1.60eV from a copper target. What wavelength of electromagnetic radiation should you use
The initial height of the ball is 60.0m and has a potential energy and initial pe of 1176.00, What was the maximum speed after it hit bottom
You have been hired as a manufacturing engineer, What is the minimum coefficient of friction between the parts and the belt to ensure none of the parts slip when they are sped up by the belt
A piece of Nichrome wire has a radius of 5.50 10-4 m. It is used in a laboratory to make a heater that uses 3.00 102 W of power, estimate the necessary length of wire
A 170g baseball is pitched at 30m/s spinning at 53rad/s . You can treat the baseball as a uniform solid sphere of radius 4.5cm. What fraction of its kinetic energy is rotational
A 0.252-kg volleyball approaches a player horizontally with a speed of 15.3 m/s. What impulse is delivered to the ball by the player
An object is placed 11.1 cm in front of the cornea. (The cornea is thin ans has approximately parallel sides so that the reflection that occurs as light travels from air to cornea to aqueous humor is essentially the same as though the aqueous humo..
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform when it is brought up to a rotational speed of 45.0 rev/min , provided the button is a distance no more than 0.141m from the axis. a)What is..
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