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Coherent light of wavelength 525 nm passes during two thin slits that are .0415 mm apart and then falls on a screen 75.0 cm away. How far away from the central bright fringe on the screen is (a) the fifth bright fringe (not counting the central bright fringe); (b) the eight dark fringe?
A nuclear power plant has a maximum steam temperature (Th) of 310 degrees Celsius. It produces 460 MW of electric power in the winter, Find its maximum winter efficiency
A microwave radio transmitter emits electromagnetic waves of a single wavelength. What is the power of the transmitter
calculate the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted from a 3
A rocket A moves past a lab B at a speed of .9c. A technician in the lab records 3.5 s for the time of an event that occurs on the rocket. What is the time as reckoned by a person aboard the rocket?
An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, What is the frequency of the resulting oscillation
A drop of water on a countertop reflects light from a flower held3.10 cm directly above it. What is the focal length of the water drop
The range of wavelengths allotted to the radio broadcast band is from about 150 m to 630 m. If each station needs exclusive utilize of a frequency band 10 kHz wide, how many stations can operate in the broadcast band?
a solid metal sphere of radius a 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b 3.50
A 1.0-kg mass is projected vertically upward from ground level with an initial speed of 45 m/s. How much work is done on the mass by air resistance
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
a 600kg car is going over a curve with radius of 120m that is banked at an angle 25 degree with a speed 30m/s. what is the normal force exerted by the road on the car
a mechanism on earth used to shoot down geosyn- chronous satellites that house laser-based weapons is finally perfected
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