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Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit must a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the diffraction pattern?
in a 1.25-t magnetic field directed vertically upward a particle having a charge of magnitude 8.50 micro.c and
The surface temperature of the start Betelgeuse is 3500K. Assume Betelgeuse radiates as a perfect blackbody. what is the energy of each of these photons
a branch is wedged under a rock and rests on a small object. the small object is 1.5 m from the large rock and the branch is 11.0 m long. what force must be exerted on the smaller rock
a monkey swings on a vine and at the bottom of the swing while moving horizontally lets go of the vine aiming for
What is its angular speed 0.1 seconds later?
At age forty, a man requires contact lenses (f = 58.0 cm) to read a book held 25.0 cm from his eyes. At age forty-five, he finds that while wearing these contacts he must now hold a book 29.0 cm from his eyes.
A proton resistor spring system in a magnetic field going out of the page has a mass of proton 1.67*10^-27 kg, a spring constant k=500 N/m and the resistor has r=5Ω. The magnetic field strength is 0.8T. a) When released from rest, calculate the ma..
Hydrogenic atoms in an ultraviolet light fall from energy quantum state n = 9 to state n = 2 while releasing ultraviolet photons. How many photons are being released per second
at the brookhaven accelerator protons of kinetic energy 33 gev are made to orbit around a circle of radius 128 m. what
Suppose the traffic light is hung so that the tensions T1 and T2 are both equal to 84.7 N. Find the new angles they make regarding the x axis. (By symmetry, these angles would be the same.)
question1a space station is in the shape of a hollow ring 450 in diameter. at how many revolutions per minute must it
three charges are fixed to an x y coordinate system. a charge of 22 microc is on the y axis at y 3.0 m. a charge of
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