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1. In 1767 John Smeaton measured the performance of a Newcomen engine with a 60.0-inch diameter piston and found that it produced 40.8 net horsepower with a duty of 5.88 million. Determine
(a) the thermal efficiency of this engine and
(b) its boiler heat input rate.
2. In 1767, John Smeaton measured the performance of a Newcomen engine with a 75.0-inch diameter piston and found that it produced 37.6 net horsepower with a duty of 4.59 million. Determine
(b) the boiler heat input rate.
When you drop a rock into a well you hear thesplash 2.4 seconds later. How deep is the well
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q1. assume unpolarized light of intensity 197 wm2 falls on the polarizer in the figure and the angle in the drawing is
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wo converging lenses are placed 60.0 cm apart. The intial object is placed 28.7 cm in front of the first lens. what is the total linear magnification for the system
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The total current delivered to a number of devices connected in parallel is the sum of the individual currents in each device. Obtain the total current delivered by the source
For a crystal of finite size it Is found that there are 100 allowed electron energy levels at energy E1 in conduction band and that the Fermi energy lies at E1, i.e. EF-E1. How many electrons are there whose energy is BF?
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