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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.
Define the Critical Angle and Fiber Optics When light is traveling in an optically dense medium, like water, and comes to the boundary of a less dense medium, like air, there a
What do you mean by nuclear fission? Illustrate liquid drop model of nuclear fission? Difference between nuclear fission and nuclear fusion. State the properties of α, β, γ ra
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Draw a circuit diagram of a common emitter amplifier by using n-p-n transistor. Show input and output voltages graphically. The current gain for common emitter amplifier is 59.
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How is laser in treatment use as cooling? Lasers cooling treatment: A technique which has had recent success is laser cooling. It involves atom trapping, a process where a n
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Steps of working of Unijunction Transistor (i) When emitter circuit is closed through switch S but emitter voltage is reduced to zero, and a voltage V BB is applied between
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