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A diffraction grating of 3400 slits percent meter is used to analyze the spectrum of mercury.
a) Discover the angular separation in the first-order spectrum of the two lines of wavelength 579 nm and 577nm.
b) How wide should the beam on the grating be for these lines to be resolved?
Think an object that is in an elliptical orbit with semi major axis a = 7.4×106 m regarding a planet of mass M = 3.2×1023 kg. What is the speed of the object (a) When it is closest to the planet a tr = a/4? (b) When it is furthest from the planet?
A bullet of mass 22 g is fired horizontally from a gun with a velocity of 1150 m/s into a wooden block of mass 8.0 kg sitting on a horizontal table
a charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 13.0 cm giving
An electron and a proton each have a thermal kinetic energy of 3×kBT/2. Compute the de Broglie wavelength of each particle at the temperature of 2050 K. (kb is Boltzmann's constant, 1.38×10-23 J/K).
An object of mass m = 4.4 g and charge Q = 32 µC is attached to a string and placed in a uniform electric field that is inclined at an angle of 30.0° with the horizontal. The object is in static equilibrium when the string is horizontal.
question a 16.9-mh inductor with internal resistance of 20.9 ? is connected to a 110-v rms source. if the average
A weight lifter raises a 1093 N weight a vertical distance of 1.60 m in a time interval of 2.05 s. Compute the power provided by the weight lifter's force
A steel wire with mass 25.5 g and length 1.16 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m, Calculate the wavelength of the string's vibration
A rod of length L carries a uniform linear charge density of 5 nC/m. find the electric field due to this rod at a distance of 20cm
A 144-g cricket ball moving 28.0 m/s strikes a stationary 5.25-kg brick resting on small rollers so it moves without significant friction. What is the cricket ball's speed after the collision
A tungsten wire has a radius of 0.070 mm and is heated from 20.0 to 1330 oC. The temperature coefficient of resistivity is ? = 4.5 x 10-3 (Co)-1, How long is the wire
A 5kg block is accelerated at 3 m/s^2 while fighting a frictional force of 25 N. What force needs to be applied to the block
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