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Define Teacup Engine?
The astronaut was calmly drinking tea at five o'clock galactic time, as was his wont, when he had an urgent situation outside the shuttle and he had to do an EVA to deal with it. In the lead to leaving the ship his jetpack failed and nothing remained to connect him to the shuttle. Auspiciously, he had forgetfully brought his teacup with him. Ever since this was the only cup he had, he didn't want to throw it away in order to propel him back to the shuttle besides, it was his favorite cup. In its place, he used the sublimation of the frozen tea to propel him back to the spaceship. Was it really possible? Guess the time it might take him to return if he is a distance L=40 m from the ship. Presume that the sublimation take place at a constant temperature T=273K.
The vapor pressure by this temperature is P0=600Pa, and the total mass of the astronaut M=110 kg.
Explain Kelvin-Planck statement and Clausius statement Kelvin-Planck statement: "No process is possible whose sole result is the absorption of heat from a reservoir and the t
Pauli exclusion principle (W. Pauli; 1925) No two similar fermions in a system, like electrons in an atom, can have an equal set of quantum numbers.
A boy is standing on an elevator which is travelling downward with constant velocity of 30 meters per second. The boy throws a ball vertically upward with velocity of 10 meter
A tank is filled up to a height 2H by a liquid and is placed on a platform of height H from the ground .the distance x from the ground where a small hole is punched to get maximum
Ferromagnetic Substance: A substance which behaves as a magnet in presence of a strong magnetic field is known as ferromagnetic substance. E.g. Iron, Nickel
Define the application of acoustic cavitation. Application: The acoustic cavitation is helpful in the cleaning process. Such type of cleaning has proven to be the most effor
A bar has a 20N weight at one end. You have a weight of 15N to hang somewhere on the bar so that the bar is in equilibrium. Where would you hang the 15 N weight on each of these ba
a) The molar mass of air is 28.97 kg/kmol and the universal gas constant is 8.314 kJ/(kmolK). Show by calculation that the particular gas constant of air is around 0.287 kJ/(kgK)
plotting
what about capacitor with dielectric & air electric & electrolytic capacitor
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