Finding out the focal length of the projection lens
A certain LCD projector includes a single thin lens. An object of 24.2 mm high is to be projected so that its image fills the screen 1.78 m high. The object-to-screen distance is 2.94 m.
(i) Find out the focal length of the projection lens.
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Assume depreciation is exponential. Determine the formula for value of car at time t. Assume instead that depreciation is linear. Determine the formula for value of car at time t.
Determine the numbers of gallons of water (d = 1.0g/mL) are required to fill the pool to an average depth of 4.5 ft?
A thick 1.0m dive platform made up of yellow pine (density of yellow pine is 550kg/m^3) is floating in the water Determine how much of the 1.0m thick platform (in meters) is sub-merged?
Calculate the maximum mass of CaO(s) in grams that could be prepared from 9.24 g of Ca(s) and 2.23 g of O2(g) when the Calcium reacts with oxygen to make calcium oxide, CaO.
A certain LCD projector includes a single thin lens. An object of 24.2 mm high is to be projected so that its image fills the screen 1.78 m high. The object-to-screen distance is 2.94 m. (i) Find out the focal length of the projection lens.
By taking 10.0 mL of the unknown a student does a standard addition experiment, adding different volumes of the Fe(II) standard, adding the appropriate reagents and diluting to the mark in a 50.0mL volumetric flask.
A current study of 300 patients found that of 100 alcoholic patients, 87 had elevated cholesterol levels, and of 200 nonalcoholic patients, 43 has elevated cholesterol levels. If patient is chosen at random, find out the probability that the patie
The two bodies encompass the similar shape and size; however one is denser than the other. Which body, if either, consists of the greatest buoyancy in the air?
Explain what volume of 0.500 M CaCl2 solutions is required to prepare the 250 mL of solution that has a chloride concentration of 0.100 M?
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