Why the amount of heat released
The amount of heat released when 20 grams of water cools from 30 degrees celsius to 20 degrees celsius is how many calories.
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Air is compressed in a steady-flow compressor via a polytropic process from 15 psia and 60 degrees F (state 1). What do the areas under the process curve on the P-v and T-s diagrams represent?
what are the frequency and wavelength of the sound as perceived by a person standing at the crossing when the train is a) approaching and b) leaving the crossing?
Consider hydrogen to be ideal gas with constant specific heats. Calculate the minimum possible inlet pressure (bar) of hydrogen gas
A steel radiant tube, that is 8 inches in diameter and 8 feet long, is placed inside of a convective oven. What will be the surface temperature of the tube and the temperature of the air after passing over the tube?
Find the temperature of the inner wall of the space station, assuming that the outside surface radiates into an environment that is very cold - essentially at 0.0k.
A simple harmonic oscillator consists of a 100 g mass attached to a spring whose force constant is 104 dyne / cm. The mass is displaced 3 cm and released from rest. Calculate
What diameter of pipe should use for fully developed laminar flow and a pressure of 1 psi at the exit of the pipe, 300 ft. away?
Make a sketch of the IQ distribution and using the normal z chart, find the probability of having an IQ greater than 132. This is the minimum Standford-Binet IQ score required to join Mensa, The largest IQ society in the world.
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