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(a) How many rulings must a 4.22-cm-wide diffraction grating have to resolve the wavelengths 415.544 and 415.490 nm in the second order?
(b) At what angle are the second order maxima found?
An LC circuit is built with a 50mH inductor and an 8.0pF capacitor, The capacitor voltage has its maximum value of 40V at t=0s, What is the inductor current at that time
What torque do his back muscles exert about an axis through his hips.
A 190 kg block is pulled at a constant speed of 4.4 m/s across a horizontal floor by an applied force of 138 N directed 37° above the horizontal. Illustrate what is the rate at which the force does work on the block?
illustrate what force should the second crewman pull so that the net force of the two crewman is in the forward direction?
An airplane is flying with a velocity of 90 m/s at an angle of 25 above the horizontal. When the plane is a distance 126 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
A large, thin plastic disk wth diameter D=3.0 meters carries a uniformlydistributed charge of Q= -3.0 x 10^-5 C, Calculate the magnitude q of the charge on the left circular face of the foil
Fluids are examined.1) Part A- a raft floats and displaces 4.5 m^3 of water. The volume of the raft id 8 m^3 and its area is 10 m^2. When the tide is low the raft is attached to an anchor
What is the range of wavelengths for FM radio (88 MHz to 108 MHz), What is the range of wavelengths for AM radio
Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 4.50x10^2 Hz. An observer is in front of the speakers (to the right) at point O.
Compute the value that the spring constant should have so that passengers undergo an acceleration of no more than 7.0 when brought to rest. Let be the total mass of the elevator and passengers.
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 60.0 degrees above the horizontal. The rocket is fired toward the ground 11.0-m high wall, which is located 27.0 m away. By how much does the rocket clear the top of the wa..
When light with a wavelength of 206 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 2.57 x 10-19 J. find the wavelength (in nm) of light that should be used to double the maximum kinetic energy of ..
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