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solid disk of radius 4.05 cm and angular velocity of 81.32 rad/s about an axis through its center perpendicular to its plane. How far (in cm) will the disk travel until it stops skidding
Two solenoids of radii 2 cm and 5 cm are coaxial. They are each 25 cm long and have 380 and 960 turns, respectively. Find their mutual inductance in mH
A laser pulse has an energy of 25 J and a beam radius of 2 mm. The pulse duration is 6 ns and the energy density is constant within the pulse. What is the spatial length of the pulse
A parallel-plate capacitor in air has circular plates of radius 3.8 cm separated by 1.1 mm. Find the time rate of change of the electric field between the plates
An air conditioner connected to a 129 V rms ac line is equivalent to a 17 capital omega resistance, What is the impedence of the air conditioner
The primary of a step-down transformer has 290 turns and is connected to a 120 V rms line. The secondary is to supply 17 A at 7 V. Find the number of turns in the secondary, assuming 100% efficiency
A resistance R and a 4.7-H inductance are in series across a 60-Hz ac voltage. The voltage across the resistor is 22 V, What is the ac input voltage
An RLC series circuit has a resistance of R = 334 %u03A9, an inductance L = 0.270 mH, what is the maximum source voltage amplitude when the circuit is operated at the resonant frequency
A 245 turn coil has an area of 3.3 cm2 and rotates in a magnetic field of 0.5 T. What frequency will generate a maximum emf of 10 V
circuit consists of a battery connected to three resistors (70 Ohms, 30 ohms, and 160 ohms) in parallel. The total current through the resistors is 1.9A. What is current through each resistor
Water (density: 10^3 kg/m^3) flows at 15 m/s through a pipe with a raidus of .04m. What is the speed of the water flow of the pipe in the second floor
If your roommate turns up the radio, increasing the sound level from 70 dB to 82 dB, what is the factor by which the intensity (in W/m^2) increases
It takes 35J of energy to move a 0.35mC charge from one plate of a 35%u03BCF capacitor to the other. How much charge is on each plate
A 1500kg car slams the brakes on, its initial speed is 32m/s, How far does the car skid before stopping
The index of refraction for a diamond for red light of wavelength 654 nm is 2.35, Find the angle of refraction for red light
A long piece of wire with a mass of 0.100 kg and total length of 4.00 m is used to make a suare coil with a side of 0.100 m. Find the torque acting on the coil due to the magnetic force at equilibrium
Consider an AC power supply that provides a voltage of 27sin(119t)volts, where t is in seconds. The power supply is hooked up to a 195 resistor. What is the mean current through the resistor
A person's left eye has a near point of 18.0 cm and a far point of 2.50 m. What power contact lens would you recommend
Tritium (3/1 H) is a heavy isoptope of hydrogen, with an atomic mass of 3.016049u. Normal hydrogen has an atomic mass of 1.007825u, find the binding energy per nucleon for titium
The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines. Calculate the pressure due to the ocean at the bottom of this trench
In a photoelectric effect experiment, a metal sample is illuminated by 10.0 mW of ultraviolet light of wavelength 240 nm. What is the longest wavelength of light that can knock electrons out of this m
Two very small spheres are initially neutral and separated by a distance of 0.55 m. find Is the force attractive or repulsive
A battery having an emf of 9.80 V delivers 109 mA when connected to a 60.0 load. Determine the internal resistance of the battery
A student sits on a rotating stool holding two 3.0 kg objects. When his arms are extended horizontally, Find the new angular speed of the student
Carbon 12 is defined such that 12g is one mole. So if a diamond is 37.5 g, how many moles of carbon are in it? How many molecules of carbon are in it