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You wrap a single layer of copper wire (diameter .812mm) around a tube (diameter 4cm length 28cm) to create an air filled solenoid. Assuming you wrap the wire around the tube so that there is no space between successive wrappings, how many turns are there per centimeter?
What is the amplitude of the oscillations . Could you think of a simple method for determining the focal length of a converging lens.
A hunter aims directly at the target (on the same level) 115 m away. If the bullet leaves the gun at a speed of 205 m/s, by how much will it miss target.
A solenoid of radius 1.1 cm produces a magnetic field at its center is 0.28 T. What is the magnetic flux by the center of the solenoid.
A projectile is fired in such a way that its horizontal range is equal to 4.5 times its maximum height. What is the angle of projection?
A ball with a mass of .100 kg is on a spring that is 10.0 m above the ground with a spring constant of 543 N/m and has been compressed .125 m. Determine the initial kinetic energy of the ball
An 800-kHz radio signal is detected at a point 4.5 km distant from a transmitter tower. What is the magnetic field amplitude of the signal at that point
An AC generator supplies 315 V peak voltage at 260 Hz frequency. How much power is dissipated in a resistor with R = 185 ? resistance connected to the generator
A diver springs upward with an initial speed of 2.19 m/s from a 3.0-m board. What is the highest point he reaches above the water
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 X 10^-7 m. What is the energy of a photon of this light
You are applying a anti reflecting coating to your plane. You don't want to be seen by radar which uses 'light' of wavelength 2cm. determine the minimum thickness of this coating
Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 27.0 m/s, assuming 83.0% of the rotational kinetic energy can be transformed into translational energy
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