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You have a mechanism by which you can use a magnetic spectrograph to chose the energy of the beta rays from a 137Cs source. Your spectrograph only allows beta rays of 0.8 MeV to exit.
The Hall voltage across a conductor in a 55.0 mT magnetic field is 1.90 mV. When used with the same current in a different magnetic field, the voltage across the conductor is 2.80 mV. What is the st
A 2.00 g plastic bead charged to -4.00 nC and a 4.00 g glass bead charged to +8.00 nC are 2.00 cm apart (center to center). What are the accelerations of (a) the plastic bead and (b) the glass bead?
A candle 8.80 cm high is placed in front of a thin converging lens of focal length 40.0 cm. What is the image distance i when the object is placed 105.0 cm in front of this lens?
A flashlight beam is emitted 7.53 cm beneath the (still) surface of the ocean by a scuba diver, and strikes the surface 6.75 cm away from the point directly above the flashlight. If this is the clos
During the first second (1s) the ball is accelerated inside the cannon barrel and experiences a net force of 50000 N towards the barrel opening (being pushed by gases produced by burning gun powder
A wave on a string is described by the equation y=0.150 m sin (1.795x + 2010.6t) , where y is the vertical distance in meters, x the horizontal distance in meters, and t the time is seconds. (i) Wh
A cosmic ray particle travels directly over a football field, from one goal line to the other, at a speed of 0.454c. a. If the length of the field between goal lines in the Earth frame is 91.5 m, wh
Light of wavelength 458 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 3.49 m from the slit. The distance on the screen between the central maximum and the third mini
In a double-slit interference experiment, the wavelength is 478 nm, the slit separation is 0.140 mm, and the screen is 33.0 cm away from the slits. What is the linear distance between adjacent maxi
A camera lens (n = 1.50) is coated with a thin film of potassium bromide (n = 1.56) of thickness 87.9 nm. What wavelength in the visible spectrum is most strongly transmitted through the film?
The capacitor has a cross-sectional area A and a distance between plates of 10 mm. A battery with voltage of 30 volts is connected across the plates of the capacitor.
An aluminum cup of 95 cm3 capacity is filled with glycerin at 18°C. How much glycerin, if any, will spill out of the cup if the temperature of the cup and glycerin is raised to 31°;C? (The c
A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5.65 g being converted to steam. The final temperature of the system is 100°C. Neglect energy transfe
Find the two new orbits. (I initially thought the orbits would be the same as the original except one piece would be going in the opposite direction, however my professor said that it was incorrect)
Helium gas fills in a well-insulated cylinder fitted with a piston at 295K and 1 atm. The piston is moved very slowly (adiabatic expansion) so that the volume increases to four times its original vo
After the two come into into thermal equilibrium, what is the temperature of the water? If a second identical ice cube is added, what is the temperature of the water? The specific heat of water is 4
A 5-µF capacitor is charged to 30 V and is then connected across a 10-µH inductor. The frequency of oscillation of the energy stored in the electric field of the capacitor and the magnet
A 0.072m X 0.045 m steel beam of length 3.7m is heated from 293Kelvin to 372Kelvin. What is the new length of the beam? What is the strain in the beam?
A 5-µF capacitor is charged to 30 V and is then connected across a 10-µH inductor. The maximum value of the current in this circuit is
A 5-µF capacitor is charged to 30 V and is then connected across a 10-µH inductor. The maximum value of the energy stored in the electric field of the capacitor is:
A- Explain, in terms of the microscopic structure of matter, why materials expand when heated.
A cubical block of side length L has a density DC and floats in a liquid of density DL. The answers should be in terms of these parameters and constants. a) Determine the fraction of the volume of t
During an earthquake, the top of a building oscillates with an amplitude of 30cm at 1.5Hz. Part A: What is the magnitude of the maximum displacement from the equilibrium of the top of the building? (i
A singly ionized helium atom (He+) has only one electron in orbit about the nuclues. What is the radius of the ion when it is in the excited state defined by n=3?