Image of the warbler subtend on your retina
You use your 8 binoculars to focus on a yellow-rumped warbler (length 14 cm ) in a tree 18 m away from you. What angle (in degrees) does the image of the warbler subtend on your retina?
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What is the pressure of gas inside the cylinder at these initial conditions? Assume the combustion products behave ideally.
In a certain processing plant, 10,000 kg/h steam is changed from 1 MPa, 400°C, to 0.2 MPa, 200°C. Calculate the maximum amount of electric power (kW) that could be derived.
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You\'d like to calculate the bubble-point temperature of the mixture, and the composition of the vapor formed at the bubble-point temperature two different ways.
Determine the total amount of heat which must be added or removed in the reactor per 100kg of hydrogen produced.
Suppose 3% of cotton fabric rolls and 3% of nylon rolls contain flaws. Of the rolls used by a manufacturer, 70% are cotton and 30% are nylon. What is the probability that a randomly selected roll used by the manufacturer contains flaws? Round your
The concentration of Mg2+ in seawater is 0.052 M. What hydroxide concentration is needed to remove 90% of the Mg2+ by precipitation?
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. An ideal gas in a cylinder is at 12 degrees C and 2.0atm .
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