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A light beam fully illuminates a 4-slit diffraction slide, creating a central maximum of intensity 2.0 mW/sq cm. The slits are 0.1 mm apart. What is the intensity of the central maximum from the same beam when a 5th slit is added to the slide, in mW/sq. cm?
A 1.16 kg beaker containing 2.37 kg of oil of density 923 kg/m3 rests on a scale. A 2.22 kg block of iron is suspended from a spring scale and is completely submerged in the oil, Find the equilibrium reading of the spring scale.
If the swimmer starts at rest, slides without friction, and descends through a vertical height of 2.41 m, what is her speed at the bottom of the slide
Estimate the terminal speed of a wooden sphere (density 0.830 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500
A flower pot falls from the ledge of a building. A person in an apartment below, coincidentally holding a stopwatch, notices it takes 0.7s for the pot to fall past his window, which is 18m high. g=9.81m/s2. How far above the top of the window is t..
A small, 300 g cart is moving at 1.30 m/s on an air track when it collides with a larger, 4.00 kg cart at rest. What is the speed of the large cart after the collision
A ballplayer standing at home plate hits a baseball that iscaught by another player at the same height above the ground fromwhich it was hit. How high will the ball rise
Light from the sun allows a solar cell to move electrons from the positive to the negative terminal, What is the emf of this solar cell
Two laser beams are simultaneously illuminating a diffraction grating. One laser has a wavelength of 632.8 nm. and the other has a wavelength of 637.8 nm. How many slits per millimeter are required to resolve the first order diffraction bright spots...
A force of 210N is applied to a 50.0 kg box. The force is directed 20 degree above the horizontal. The coefficient of kinetic friction between the box and the floor is 0.25 and the box moves 3.00m across the horizontal floor. A) How much work is done..
A plane accelerates from rest at a constant rate of 5.00 along a runway that is 1800 long. What percentage of the takeoff velocity did the plane gain when it reached the midpoint of the runway
Suppose a 32.3 V battery is connected to a long cylindrical wire, and a current of 2.44 A flows. Find the work done by this battery to push one electron through the entire length of the wire
Two converging lenses with focal lengths of 40cm and 20cm are 14cm apart. Calculate the image position and image height
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