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A cylindrical shell of radius 7cm and length 2.4 cm has charge uniformly distributed on its surface. The magnitude of the electric field at a point 19 cm radially outward from its axis, at the midpoint of the shell, is 36kN/C. Find:
1) The net charge on the shell
2) The electric field at a point 4cm radially outward from its axis, at the midpoint of the shell.
Two conductors are joined by a long copper wire. Thus A) each conductor must be at the same potential. B) no free charge can be present on either conductor. C) each conductor carries the same free charge.
A common flashlight bulb is rated at 0.30 A and 2.8 V (the values of the current and voltage under operating conditions). what is the temperature of the filament when the bulb is on? The filament is made of tungsten
A cyclist is pedaling at a cadence of 60, so the bicycle wheel make 60 rotations per minute around the axis through its center. What is the wheel's angular speed
because earths rotation is gradually slowing the length of each day increases the day at the end of 1.0 century is 1.0
A block of unknown mass is attached to a spring with a spring constant of 6.00N/m and undergoes simple harmonic motion with an amplitude of12.5cm. Calculate the maximum acceleration of the block
Two of the same capacitors C are wired in series. When they are connected to a +30V battery, How much energy each capacitor stores
The force of a bullet is given by theformula F=[830-(3.5*10^5 s^-1)t] N over the time interval t=0 andt=4.0*10^-3 s. Determine the impulse by integration
Two satellites are in circular orbits around a planet that has radius . One satellite has mass 88.0 , orbital radius 5.60×107 , and orbital speed 4800. What is the orbital speed of this second satellite
One lens of a nearsighted person's eyeglasses has a focal length of -21.7 cm, and the lens is 1.70 cm from the eye. what should be the focal length of the corresponding contact lens
1 mole of cu at temp. 0 celsius is placed in thermal contact with a second mole of cu at 100 celsius. pressure in the
A uniform electric field of magnitude 430 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.60 cm. find the work done by the field on the electron
A convex spherical mirror has a radius of curvature of 10.6cm. Calculate the size of the image
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