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A car spring (lenght (0.2) m) is suspended from the ceillingof a garage . A 200kg mass is suspended from the spring which stretches an extra 0.004m . the spring is stretched slightly ( veryslightly ) further and released assume SHM and determine the frequency of the oscilation.
Calculate the wavelengths of the first three members in the Paschen series. What part of the electromagnetic spectrum are these in?
A rectangular block of wood, 10 cm*15 cm*40 cm, has a specific gravity of 0.6. What fraction of the block is submerged
A 0.410-kg blue bead slides on a frictionless, curved wire, Find the maximum height the green bead rises
Find the emissivity of a surface that radiates heat at the same rate that it loses heat through convection when its temperature is 107° C
Light of wavelength 730nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 53mm from the central fringe on a screen 3.0m away
A ray of light, traveling in air, strikes the surface of mineral oil at an angle of 23.4? with the normal to the surface. what is the angle of refraction
A camera has a lens with a focal length of 24.9 cm. how far from the film should the lens be placed
q1. the current in a coil changes from 3.80 a to 1.90 a in the same direction in 0.510 s. if the average emf induced in
An engine does 17200 J of work and rejects 6470 J of heat into a cold reservoir whose temperature is 272 K
Water flows at speed of 4.9 m/s through a horizontal pipe of diameter 3.2 cm. The gauge pressure P1 of the water in the pipe is 1.5 atm. What is the gauge pressure of the water flowing through the constricted segment in atm
On a clear day the electric field in the atmosphere near the earth's surface is 100 N/C, directed vertically downward. What is the potential at the top of Pike's Peak, 14,110 ft above sea level
In a physics lab experiment, a student immersed 206 one-cent coins (each having a mass of 3.00g ) in boiling water. What was the final temperature of the coins
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