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A parallel-plate capacitor with circular plates of radius R is being charged. What is the radius R for the circular plate
14g of nitrogen gas at 0°C and 1 atm is compressed in an isochoric process to an pressure of 20 atm. How much heat is inputted into the gas
The ends of a 20cm long, 2.0cm diameter are maintained at 0°C and 100°C, What material is the rod made of
A pitcher throws a ball weighing 0.3 lb at a velocity of 90 miles per hour (horizontally). The mass moment of inertia of a spherical body is 0.4mR2, What is the total energy of the ball
Suppose atmospheric pressure at Denver is 1.0135 × 105 N/m2 today. How high will the water column stand on the barometer tube
A pear of 10.2 cm height is placed at a distance of 20.1 m in front of a lens that has a focal length of 26 mm. How large is the image of the pear
An ideal polarizer with its transmission axis rotated 30.5 to the vertical is placed in a beam of unpolarized light of intensity 10 W/m ^2. After passing through the polarizer, what is the intensity
A horizontal 792-N merry-go-round is a solid disk of radius 1.43 m, Find the kinetic energy of the disk after 2.92 s
A wrench is placed at 30 cm in front of a diverging lens with a focal length of magnitude 10 cm. What is the magnification of the wrench
An object is 5.7 cm from a spherical concave mirror. If the image is 4.7 cm tall and 10 cm from the mirror, how tall is the object
A tank holds a layer of oil, of thickness To = 1.43 m, that floats on a layer of syrup of thickness Ts = 0.640 m, What is the index of refraction of the oil
About 1350 W/m2 of electromagnetic energy reaches the upper atmosphere of the earth from the sun, which is 1.5 × 1011 m away. estimate the average power output of the sun
A conducting rod whose length is ? = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00, At what rate is energy dissipated in the ligh
A moth at about eye level is 11 cm in front of a plane mirror; you are behind the moth, 25 cm from the mirror. What is the distance between your eyes
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. determine the thermal conductivity of the Styrofoam.
a muon with half-life 1.52 micro secondsin its own frame travels 60 km. what is that distance in the frame of the muon
The distance between atoms in a solid is typically around 2.0 x 10-10 m What is the wavelength of an electron with a kinetic energy of 110 eV
Two lenses that are 35 cm apart are used to form an image. Lens 1 is diverging and has a focal length of f1= -7.0 cm; Use a ray diagram to find the approximate location of the final image
Bailey is trying to save a young girl under a 15 m long wooden beam. She lifts the beam up from one side with a force of 25 N using her nose. find the magnitude of the torque that Bailey puts on the
You decrease the angular speed of the cylinder from 4:0 rad/s to 2:0 rad/s in 20:0 revoluations at constant angular acceleration. What is the angular acceleration during this decrease
Unpolarized light of intensity I0 passes through six successive Polaroid sheets each of whose axis makes a 45? angle with the previous one
Mario is watching Luigi fly past in a spaceship at 1.63×108 m/s. How long does an hour on the ship last, according to Luigi
The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, Determine the ionization energies of the L, M, and N shells
Assuming that the atom was initially at rest, determine the recoil speed of the hydrogen atom when it emits this photon