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The light from a red laser pointer has a wavelength of about 600nm. If this laser has a power of 0.27 mW, what is the momentum carried by a 3.1-s pulse of this radiation?
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.46m from the grating. What is the difference between these wavelengths
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
hen there's no torque applied, it slows down from 1800 rpm to rest in 57.0 s. Now we want to make it come to rest from 1200 rpm in 4.00 s by applying a constant torque on it. What is the minimum torque applied
q1. a 2.75-mm-tall object is 8.0 cm to the left of a convex lens of 5.7 cm focal length. find the image position and
In a hydraulic system, the piston on the left has a diameterof 5.1 cm and a mass of 1.7 kg. what is the height difference between the two pistons
A compound microscope uses a 73.0mm lens as the objective and a 2.1cm lens as the eyepiece. find the total magnification produced by the microscope
In one of the original Doppler experiments a tuba was played on a moving flat train car at a frequency of 75 hz, What beat frequency was heard if the train car approached the station at a soeed of 10m/s
A block is projected up a frictionless inclined plane with initial speed v0 = 3.44 m/s. The angle of incline is ? = 32.4°. How long does it take to get there
A boy is riding a bicycle which has tires with a diameter of 62cm.If he travels a distance of 0.32km in a time of 1 minute, what is the angular velocity of the tire
Fraternal twins Jack and Jill are sent in two different ships to fetch water from the planet Kusbane that is 20 lightyears away. what is the age difference between Jack and Jill when Jack's ship arrives at Kusbane
Consider two forces exerted on a 65kg object: one 200. N acting at 25 degrees and another of 100. N acting at 45 degrees. find the net force acting on the object
at three corners of a rectangle length 11.8 cm height 5.9 cm the following charges are located q1 upper left corner q2
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