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A laser emits 1.42*1018 photons per second in a beam of light that has a diameter of 1.88 mm and a wavelength of 519.0 nm. Decide each of the following for the electromagnetic wave that constitutes the beam.
a) The average electric field strength
b) The average magnetic field strength
If the kinetic energy of an electron is 910 eV, calculate its De Broglie wavelength. For this non-relativistic electron you must firs, calculate its velocity from the general kinetic energy equation
A 6.0-cm-diameter circle lies in the xz-plane in a region where the electric field is E =(1200i^+1200j^+1200k^)N/C
A gas cylinder holds .10 mol of O_2 at 150 degrees Celsius and a pressure of 3.0atm. The gas expands adiabatically until the pressure ishalved.
What should be coefficient of static friction
An 8.50 kg point mass and a 12.5 kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
An LC circuit oscillates at a frequency of 19.7 kHz. What is the maximum charge (in C) on the capacitor
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given (1.8xe11 meters, 2.9xe11 meters) with a velocity given (-9.7xe3 m/s, -6.8xe3 m/s). What will be the magnitude of the as..
A particle of mass m is constrained to move in a vertical plane that is rotating with constant angular velocity, , around a vertical axis. Gravity is acting downward on the particle.
A blue car of length 4.41 m is moving north on a roadway that intersects another perpendicular roadway (see figure below). The width of the intersection from near edge to far edge is 30.0 m.
Two slits spaced 0.450 mm apart are placed 76.0 cm from a screen. What is the distance between the second and third dark lines of the interference pattern on the screen
One of the instruments on the probe has a spring (with a weight of 1.0 kg at one end) that measures the intensity of the gravitational force of the asteroid. What would be its maximum "bobbing" velocity if it were on Earth
Choose the correct explanation for why you can determine the maximum load given that theta_min is the minimum angle crane arm can make with the horizontal.
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