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If you start with two sinusoidal waves of the same amplitude traveling in phase on a string and then somehow phase-shift one of them by 12.50 wavelengths, what type of interference will occur on the string?
A circular disk has surface charge density 8.0nC/cm^2. What will the surface charge density be if the radius of the disk is doubled? Express your answer to two significant figures and include the appropriate units.
A positive charge moves in a region where the magnetic field is uniform, has a magnitude of 60 uT and points in the positive x direction. what is the radius of the resulting path
In one day, a 85 kg mountain climber ascends from the 1440 m level on a vertical cliff to the top at 2360 m . The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m
A proton has a mass of 1.67 x 10^-27 kg and a charge of 1.60 x 10^-19 C. What is the gravitational force on a single proton at Earth's surface.
A satellite orbits at a distance from the Earth's center of about 4.80 Earth radii and takes 14.8 hours to go around once, What is its orbital velocity
Find the energy of a photon that is emitted when an electron in a hydrogen atom undergoes a transition from the n=7 level
In one cycle, a freezer uses 780J of electrical energy in order to remove 1730J of heat from its freezer compartment at 10.0 oF. What is the coefficient of performance of this freezer
To stretch a certain spring by 3.00cm from itsequilibrium position requires 9.50J of work, What is the force constant of this spring
The electric potential energy stored in the capacitor of a defibrillator is 58 J, What is the potential difference across the capacitor plates?
Estimate the speed of the water just before striking the turbine blades (overlook air resistance).
A magnetic field near the ceiling points up and is decreasing. Looking up at the ceiling, does non-Coulomb electric field curl clockwise or counter-clockwise.
A Young's double-slit interference experiment is performed with blue-green argon laser light. What is the wavelength of argon laser light
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