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A spring is mounted from the ceiling. As a mass is attached, the spring stretches 1.04 m. The spring is then stretched an additional 0.2 m and released. What will be the frequency of the resulting o
A 146 g ball moving at -23 m/s is hit by a bat. The ball moves in the opposite direction at 14 m/s. How long did it interact with the bat if the average force was 210 N. Don't forget to include unit
The wire is at room temperature. A potencial difgerence of 5.0 V is maintened between the ends of the 2.0-m composite wire.what is the potencial difference between the ends of the silver section of wi
Suppose an atom having atomic number Z is ionized so that all but 1 of its Z electrons are removed. Predict the ionization energy of the helium ion (singly-ionized helium).
A 5.00-A current run throug a 12-guege copper wire (diameter 2.05 mm) and through a light bulb. Copper has 8.5x10^28 free electrons per cubic meter. a) How many electron pass throuh the light bulb e
How much time will it take the golf ball to make the journey to the satellite in the Earth's frame? How much time will it take in the golf ball's frame?
The width of the central peak of a single-slit diffraction pattern can be characterized by the distance of the first-order minima on both sided of the maximum or the full width at half maximum, the
A telephoto camera lens with focal length f = 300 mm and a maximum aperture f/2.8 takes a picture of two red (630 nm) LED lights that are 30 m away. If the resolution is diffraction limited, what is
Using x-rays of wavelength 0.14 Angstroms, you observe maxima when the reading on the goniometer is 12.5 degrees, 14.6 degrees and 16.7 degrees. What is the spacing between the crystal planes? Note
A diffraction grating has a grating spacing of 2,102 nm. If a light ray of a wavelength 549 nm is incident perpendicularly upon the grating, what angle (in degrees) will you see the second order dif
The plates of a parallel-plate capacitor are 3.28mm apart, and each has an area of 12.2 cm^2. Each plate carries a charge of a magnitude 4.35x10^-8 C. The plates are in vacuum. What is the potencial
Use the power series method to solve the radial equation. Find the recursion formula for the coefficients, and determine the allowed energies.
How long after the big bang did it take the universe to cool to the threshold temperature for the formation of muons? What would be the mass of a particle-antiparticle pair that coul dbe formed by t
A nuclear power reactor generates 2.5 × 109 W of power. In one year (365.25 days), what is the change in the mass of the nuclear fuel due to the energy being taken from the reactor?
Suppose that the speed of light in a vacuum were one million times smaller than its actual value: c = 3.00 × 102 m/s. The spring constant of a spring is 690 N/m. Determine how far you would hav
Radium is a radioactive element whose nucleus emits an alpha particle (a helium nucleus) that has a kinetic energy of about 6.8 × 10-13 J (4.2 MeV). To what amount of mass is this energy equiva
A lamp is designed to operate at a temperature of 3100K. If the lamp is operated at a higher voltage that raises its temperature to 3500K, what will be the fractional increase in radiant energy?
Light is incident on the surface of metallic sodium, whose work function is 2.3 eV. The maximum speed of the photoelectrons emitted by the surface is 1.22 x 106 m/s. What is the wavelength of the li
The Schrodinger equation of a two dimensional harmonic oscillator can be handled by separation of variables in spherical coordinates, as well as cartesian coordinates. Use the power series method to
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 25.5° and the angle of refraction is 15.3°, find the critical angle for the liquid when surround
A flat, square coil with 23.0 turns has sides of length 0.120 m . The coil rotates in a magnetic field of 2.30×10-2 T.What is the angular velocity of the coil if the maximum emf produced is 20.
The flowing water carries away the heat produced by the body. If a resting person is known to have a thermal power output of 85 W, what will the temperature difference between the intake and outflow
a) How many joules are required to change 0.650 kg of solid lead at 22.0 oC to a liquid at 1300.0 oC? (Assume the specific heats of both solid and molten lead to be the same.)
The loop is wobbled so that its normal rotates in a cone about the field direction at the constant rate of 86.0 rev/min; the angle (30°) between the normal and the field direction remains unchang
A plastic bag is filled with helium at atmospheric pressure and 23.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC. With the help of this "