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Think a Michelson interferometer operated by light from a sodium lamp with λNa = 589 nm. Suppose the interferometer is utilized to check the accuracy of a meter stick by moving one of the mirrors a distance of precisely 1.87 m (as determined with the meter stick) and counting bright fringes as they appear at the detector. How many bright fringes will be observed while the mirror is being moved?
q1. a person can jump a maximum horizontal distance by using a 45 degree projectile angle of 5 m on earth. the
a magnetic dipole is under the influence of two magnetic fields. the angle between the field directions is 60ordm and
A horizontal force of magnitude 31.2 N pushes a block of mass4.42 kg across a floor where the coefficient of kinetic friction is0.631. What is the increase in the kinetic energy of the block
Bronco Brown is mowing his lawn. He applies a force F along the handle of the lawnmower as shown. Bronco moves the mower at constant velocity. What is the magnitude of the resistance force acting horizontally on the mower
A 9200 kg boxcar traveling at 15.8 m/s strikes a second boxcar moving at 7.11 m/s in the same direction. What is the mass of the second car
a bulb emits light uniformly in all directions. the average emitted power is 150w. at a distance of 5m from the bulb
Assume that the value of n in a radioactive transition in hydrogen changes only with unity, as is suggested by the correspondence principle. Estimate for what range of values of n the photon that is emitted will have wavelengths in the visible range ..
Sam, whose mass is 75\;kg, takesoff across level snow on his jet-powered skis. What is Sam's top speed
An object 2.0 cm high is placed 45 cm from a concave mirror of radius 10 cm and radius of curvature 60 cm. Find the location, size, and orientation of the image
A converging lens is placed 22.0 cm to the right of a diverging lens of focal length 14.0 cm. Calculate the focal length of the converging lens
A 71-kilogram person stands on a bathroom scale in an elevator. Find what does the scale read if the elevator is ascending with an acceleration of 3.0 m/s2
A 10 g sample of neon gas has 1700J of thermal energy. Estimate the average speed of a neon atom
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