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Light of wavelength 679 nm is incident on a single slit. The central bright fringe is 2.75 cm wide on a flat screen that is 81.4 cm from the slit. What would be the width of the central bright fringe if the wavelength were 474 nm?
A 1.50 kg mass attached to a spring oscillates with a period of 0.365 s and an amplitude of 15.5 cm. Find the maximum speed of the mass
The hot reservoir for a Carnot engine has a temperature of 943 K, while the cold reservoir has a temperature of 495 K. The heat input for this engine is 5280 J. The 495-K reservoir also serves as the hot reservoir for a second Carnot engine.
The wheel of a car has a radius of .350 m. the engine of the car applies a torque of 295 Nxm to this wheel that does not slip against the road surface.
A man doing a slow push-up is approximately in static equilibrium. His body is horizontal, with his weight of 757 N supported by his hands and feet, how far from the shoulders is the man's center of gravity
you are piloting a spacecraft whose total mass is 1110 kg and attempting to dock with a space station in deep space.
A beaker containing 300mL of water at 20 clesius has a 150g piece of Aluminum at 50 celsius placed in it. What is the final equilibrium temp of the water and aluminum
A family ice show is held at an enclosed arena. The skaters perform to music with level 85.0 dB. What is the combined sound level
A platinum wire is used to determine the melting point of indium.The resistance of the platinum wire is 2.000 Ω at 20 degrees Celsius and increasesto 3.072 Ω as indium starts to melt. What is the melting point of indium?
Find the gage pressure at the center of pipe A in pounds per square inch and in kilopascals.
A 1400 kg car carrying four 92 kg people travels over a "washboard" dirt road with corrugations 4.5 m apart. by how much does the car body rise on its suspension
question 1 a spring of spring constant k 8.250 nm is displaced form equilibrium by a distance of 0.1500 m. if the
One end of a long rod (n=1.5) is formed into a convex surface with a radius of curvature of 6cm. Find the image and object focal lengths, f' and f, and mark the locations of the foci in your to-scale sketch
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