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A conducting spherical shell of inner radius of a and outer radius b carries a net charge Q. A point charge q is placed at the center of this shell.
(a) Determine the surface charge density on the inner surface of the shell. (Use Q, q, a, and b as necessary.)
(b) Determine the surface charge density on the outer surface of the shell.
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory.
A large, flat, horixontal sheet of charge has a charge per unit area of 8.5%u03BCC/m^2. Find the electric field just above the middle of the sheet
A 6 ornament is hanging by a 1.30 wire when it is suddenly hit by a 3.00 missile travelling horizontally at 10.0. The missile embeds itself in the ornament throughout the collision.
a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. what is the angle theta
A 275 ball is tied to a string. It is pulled to an angle of 4 and released to swing as a pendulum. A student with a stopwatch finds that 17 oscillations take 20.
While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 64 kg person develops a power of 65W throughout a race, how fast is the person running? Assume that a running step is 1.5 m long.
Describe the method used to measure the Sun's shadow and in the drawing on page 18 what are the letters b and d used for?
The moving non-conducting belt of a Van de Graaff generator carries 10 ?C of charge up to the metal sphere each second. What minimum power must be supplied to the generator
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 83.7 N, Jill pulls with 91.9 N in the northeast direction, Find the magnitude of the net force the people exert on the donkey
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field = 0.3 T. Calculate the magnitude of the torque on the loop
A train has the length of 114 m and starts from rest with a constant acceleration at time t = 0 s. At this instant, a car just reaches the end of the train.
Change values of the initial position, initial velocity, and the acceleration of the car so that its center follows the same path as the dot. What is the equation that describes motion of the dot.
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