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Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.80 meter from the grating. In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 3.10 millimeter. Obtain the difference between these wavelengths?
in meters
A mass M1 = 5 kg sits on a table top connected by an ideal rope and pulley with a hanging mass M2 = 1 kg. The coefficient of kinetic friction between the table and M1 is 0.15, and the coefficient of static friction is 0.25. What is the acceleration o..
In some places, insect "zappers," with their blue lights, are a familiar sight on a summer's night. how many turns are in the secondary coil
A 100-W lightbulb has a resistance of about 12 ? when cold (20 ?C) and 140? when on (hot). Estimate the temperature of the filament
a a 3 microcoulomb charge is at the coordinates 34 mm. a -4 microcoulomb charge is at the coordinates -25mm. what is
A proton moving with a velocity of 4 x 104 meter per second enters a magnetic field of 0.20 T. compute the magnitude of the force on the proton
a point charge q lies at the center of an uncharged hollow conducting spherical shell of inner radius rin and outer
An alloy is made of 30% gold, 20% silver and iron. The specific heats of gold, silver and iron are 0.0308, 0.056 and 0.107 cal/go C, respectively. Calculate the specific heat of the alloy
a uniform electric field of magnitude 430 nc pointing in the positive x-direction acts on an electron which is
The engery used by a human while running is approximately proportional to the speed. if we expressed the energy used by a runner in terms of, say miles per candy bar, who gets better mileage per candy bar, a runner who completes a marathon in 2 1/..
a 12.0 g plastic ball is dropped from a height of 2.50 m, How much mechanical energy was lost during the balls fall
Compute dissimilarity in blood pressure
A 25-turn circular coil of radius 3.20 cm and resistance 1.00 ? is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, wh..
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