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Two parallel slits used for a young's interferometer experiment are 0.5 mm apart. the screen on which, the fringes are projected is 1.5 m from the slits. What is the distance between the fringes for monochromatic red light of wavelength 600 nm? how far is the third dark fringe from the central bright one?
If the cross-sectional area of the stream decreases by factor of 10× while passing through the dam, can you catch and save the weasel before it moves past the dam (X), down the waterfall?
An incident x-ray photon is scattered from a free electron that is initially at rest. What is the wavelength of the incident photon
during a tennis match a player serves the ball at a speed s with the center of the ball leaving the racquet at
Bob can see the drai at the bottom center of a water filled pol (n=1.33) that is 3.6 m wide by light emerging 18 degrees above the horizontal
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
A uniform disk of mass 0.65 kg and radius6.4 cm is mounted in the center of a 10 cmaxle and spun at 600 rev/min. The axle isthen placed in a horizontal position with one end resting on apivot. The other end is given an initial horizontal velocity ..
question a nearest-neighbor pair of mg2 ions are separated by a distance of square root 2 a0. calculate the coulombic
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. with what speed vf do Olaf and the ball move afterward
Water at 20-C flows over a 3-m long and 2-m wide flat plate at 3 m=s. Assume a turbulent flow from the leading edge (a trip wire at the leading edge can be used to cause the turbulence) and calculate:- d at x ¼ 3 m.
At low speed, air resistance is a force proportional to the velocity v of an object: F = -kv. Is this force conservative? What is the escape velocity (in m/s) from the Sun (M =2.0E30 kg) of an object that is a distance 9.1E7 km from the center of the..
A person has a piece of (mass less) string of length 0.6 m with a ball of mass 0.05 kg at the end of it. The person starts to swing this device in a vertical circle with a center located 2 m above the ground. The tension in the string is kept constan..
The position of an object connected to a spring varies with time according to the expression x = (5.4 cm) sin(9.3?t). Find the frequency of the motion
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