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When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4o. What is the wavelength of this light?
A generator rotates at 71 hz in a magnetic field of 5.0x10^-2 T. It has 1000 turns and produces an rms voltage of 150v and an rms current of 52A. a) What is the peak current produced? b) What is the area of each turn of the coil?
Two long parallel transmission lines 35.0cm apart carry 23.5A and 77.5A currents, Find all location where the net magnetic field of the two wires is zero if these currents are in the same direction
When a surfer rides an ocean wave on her surfboard she is actually riding on. a. a crest that is toppling over. b. a trough of the wave. c. The rest position of the wave. d. A region of rarefaction.
A 12.4 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.650, what was ..
A uniform electric field of magnitude 256 V/m is directed in the negative y direction. A +12.9 uC charge moves from the origin to the point (x, y) = (20.0cm, 45.6 cm). What was the change in the potential energy of this charge
Assume that ?1(x,t) and ?2(x,t) are solutions of the one-dimensional time dependent Schrodinger’s wave equation. (a) Show that ?1 + ?2 is a solution. (b) Is ?1 * ?2 is a solution of the Schrodinger equation in general? Why or why not?
two polarizers are oriented at 72 degress to one another. Unpolarized light falls on them. What fraction of the light intensity is transmitted
A portion of a roller coaster track is described byh=0.94x-0.010x2, where h and x are height and horizontalposition in meters. Is the equilibrium stable or unstable
A cannon tilted upward at = 31 fires a cannonball with a speed of 94 . At that instant, what is the component of the cannonball's velocity
A metal loop of radius 0.24 m and resistance 0.10 Ω lies in the magnetic field due to an MRI machine. The field is perpendicular to the plane of the loop, and has a magnitude of 3.0 Tesla when the NMR is operating.
a turbine that uses steam drives an electric generator. the inlet stream flows through a 10 cm diameter pipe to the
An electron jumps from the third level to the first level in hydrogen atom. What is the energy of the emitted photon?
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