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A single slit, which is 0.050 mm wide, is illuminated with light of 550 nm wavelength. What is the angular separation among the first two minima on either side of the central maximum?
A line in the spectrum of a certain element is a doublet with wavelengths 526.4 and 527.2 nm. Calculate the minimum number of lines needed in a grating that will resolve this doublet in the second-order spectrum.
Imagine two 5.0 g bags of protons, one at the earth's north pole and the other at the south pole. Calculate the electrical repulsion that each bag exerts on the other.
Two masses are connected by a string that is passed over a ceiling-mounted pulley, forming what is called an Atwood's machine. evaluate the magnitude of the acceleration of each mass
An alpha particle (charge +2e, mass 6.64x10^-27) moves head onat a fixed gold nucleus (charge +79e). what was the initial speed of the alpha particle
A water balloon is thrown horizontally at a speed of 2.0 m/s from the roof of a building that is 6.00 m above the ground. Determine which balloon hits first and how much sooner it hits the ground than the other balloon
One cubic centimeter of a cumulus contains 250 water drops, which have a typical radius of 10 μm. (a) How many cubic meters of water are in a cylindrical cumulus cloud of height 3.0 km and radius 1.1 km.
performing an experiment similar to millikans oil drop experiment a student measures these charge magnitudes.3.26
A 58 ice cube can slide without friction up and down a 28 slope. The ice cube is pressed against a spring at the bottom of the slope, When the ice cube is released
Find the resultant magnetic force exerted by the long wire on the square current loop in the figure below if I1 = 8.72 A and I2 = 4.12 A
How much energy is lost through your hands in one minute after touching on a cold surface at 10 C compared to being exposed to cold air at 10 C
Assume a typical hummingbird has a lifespan of 4.0 years and an average heart rate of 1300 beats per minute. (a) Calculate the number of times a hummingbird's heart beats in its life, and express it in scientific notation.
Assuming constant temperature, as a helium balloon rises through the air: (Select all that apply.) The air pressure inside the balloon decreases. The air pressure outside the balloon decreases. The air pressure outside the balloon increases. The air ..
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