A reflecting telescope has a main mirror with fm 620 mm if
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope? Assume the near-point distance of the eye is 25 cm.
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Calculate the pH of each of the following strong acid solutions. (a) 0.000625 M HIO4 pH = (b) 0.869 g of HBrO4 in 22.0 L of solution pH = (c) 50.0 mL of 8.10 M H2SO4 diluted to 3.50 L pH = (d) a mixture formed by adding 75.0 mL of 0.00187 M HIO4 t
Determine the gravitational force acting between two spheres that are touching each other. The mass of each sphere is 400 kg and the radius is 300mm.
The volume of a single molecule of water is 2.99 x 10^-23 mL. For a sample of gaseous water at 1.00 atm and 150° C, what fraction of the containers volume is occupied by the molecules themselves
The supplier says it would prefer to sell the company a 65% NaOH solution and the company says the water content is immaterial as long as the equivalent costs are the same including freight.
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
Calculate the pH of a 0.0155 M solution of carbonic acid H2CO3. The Ka1 of carbonic acid = 4.3 x 10-7 and the Ka2 of carbonic acid = 5.6 x 10-11.
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
Given simply supported beam with an overhang. The beam is 12 inches wide by 24 inches deep, and the slab is 6 inches deep. use a roof live load of 20 psf, and a concrete density of 150 pdf. the beams are spaced 15 feet apart.
The rule established by the Hadley case is "when damages are awarded, compensation can only be awarded for injuries that the defendant could reasonably have forseen as a probable result of the usual course of events following a breach.
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