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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 radically outward from its axis, at the midpoint of the shell, is 36kN/C. Find:
a) The net charge on the shell
b) The electric field at a point 4cm radically outward from its axis, at the midpoint of the shell.
A baseball pitcher can throw a ball with a speed of 40. He is in the back of a pickup truck that is driving away from you. He throws the ball in your direction, and it floats toward you at a lazy 30. What is the speed of truck.
A cylindrical iron wire of length 16 m is connected to the terminals of a .3 V battery. What is the diameter of the wire, in mm
Given that the latent heat of water/steam is approximately 41,000 J/mol, at what pressure will water boil at 50 degress Celcius? hint: remember that at 1 atm water boils at 373 K. Also, assume that the latent heat is constant and that the volume of t..
A conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 4.0 m/s perpendicular to a 0.50-T magnetic field, What is the mass of the rod?
A 12.5-kg horizontal plank 4.00 m long rests on two supports, one at the left end and a second 1.00 m from the right end
a light inelastic rope is wrapped around a cylinder passes over a pulley and is attached to one end of a spring of
A thin rod of length 0.75 m and mass 0.35 kg is suspended freely from one end. It is pulled to one side and then allowed to swing like a pendulum, Find the rod's kinetic energy at its lowest position
A 70-kg ski jumper starts from rest 59 m above the ground on an icy track and flies off the track at an angle of 31°, With what speed does the skier leave the track
A bottle has a mass of 35.00 g whenempty and 98.49 g when filled withwater. When filled with another fluid, the mass is 88.70 g. What is the specific gravity of this other fluid
a spherical ball with a radius of 1.440times10-1m is completely submerged in a fluid that has a density of
Water is lifted out of a well 22.0m deep by a motor rated at 1.40hp .Assuming efficiency 90% , how many kilograms of water can be lifted in 1 min
As a rocket passes your space station, it emits a flash of light. Later, it emits a second flash, which you determine was emitted three seconds later, at which time the rocket was two light seconds away. How much time separated the two flashes
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