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A horizontal laser beam of wavelength 632.8 nm has a circular cross section 2.00 mm in diameter. A rectangular aperture is to be placed in the center of the beam so that the light falls perpendicularly on a wall 4.50 m away, the central maximum fills a rectangle 110 mm wide and 6 mm high. The dimensions are measured between the minima bracketing the central maximum. Find the rehired height and width of the aperture.
the potential of a typical storm cloud can be as high as 109 volts. when lightning is produced a typical lightning
Two charged particles of equal magnitude (+Q and +Q) are fixed at opposite corner of a square lying in a plane. What is the direction of the force on the test charge due to the two other charges
A 7.0 k resistor is in series with a 26.0-mH inductor, Calculate the impedance of the circuit for the following source frequencies
An object, 0.75 cm tall, is placed 12.0 cm to the left of a diverging lens (f = -8.00 cm). determine the focal length of the converging lens
Two masses, 10kg and 20 kg hang from a pulley (Atwoods) with moment of inertia, I = 0.4 kg-m2, and radius,r=0.2 m. What is the linear acceleration of the mass system
A 4.00*102 g glass coffee cup is 20.0 C at roomtemperature. It is then plunged into hot dishwater at a temperatureof 80.0 C. If the temperature of the cup reaches that of thedishwater, how much heat does the cup absorb?
there are two balls located in deep space as shown in the figure. the black ball has mass 36kg and the red ball has
In the hydraulic system shown in the figure , the piston on the left has a diameter of 4.5 and a mass of 1.8, what is the height difference between the two pistons
the molar volume of a certain solid is 142 ml at 1 bar and 427.15k its melting temperature. the molar volume of the
Pool players often pride themselves on their ability to impart a large speed on a pool ball. they have placed you in charge of determining the speed of the players\' break shots
A 4.29-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box, Determine the kinetic frictional force that acts on the box
A 50.0 stunt pilot who has been diving her airplane vertically pulls out of the dive by changing her course to a circle in a vertical plane. What is the apparent weight of the pilot at the lowest point of the pullout
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