What is neutral buoyancy
What do you mean by the term neutral buoyancy? Briefly illustrate it.
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Buoyancy is the total upward force experienced by the object submersed in the fluid. Pascal's principle states that fluid pressure on an object rises with depth, thus there is a greater pressure on the bottom of object than the top, resultant in a total upward force. Whenever an object's buoyancy is bigger than its weight, then the object will float.
Reflection law: For a wave-front intersecting a reflecting surface, the angle of incidence is equivalent to the angle of reflection, in the similar plane stated by the ray of incidence and the normal.
Stern-Gerlach experiment (O. Stern, W. Gerlach; 1922): The experiment which explains the features of spin (that is intrinsic angular momentum) as a different entity apart from the orbital angular momentum.
Explain laws of black-hole dynamics or First law of black hole dynamics and Second law of black hole dynamics? Q : Information in physics What do you mean What do you mean by the term information in physics?
What do you mean by the term information in physics?
Calculate the hot and cold temperature after 25 orbits. Assume a 100kg spherical spacecraft made of aluminum. Assume that the spacecraft is in an equatorial orbit. How is calculation 1 different for a spacecraft in a 90 degree (polar) orbit?
Ground source Heat Pumps (GSHP): This technology makes use of the energy stored in the earth’s crust, which comes mainly from solar radiation. Fundamentally, heat pumps take up heat at a certain temperature and discharge it at a higher temperatu
Describe the procedure how radiation emitted from the body? Illustrate in brief.
Define Kelvin or basic SI unit of thermodynamic temperature: Kelvin: K (after Lord Kelvin, 1824-1907): The basic SI unit of thermodynamic temperature stated as 1/273.16 of the thermodynamic temperature of triple point of the water.
What is Anthropic principle? Explain Weak anthropic principle and Strong anthropic principle? Q : What is curvilinear motion What do you What do you mean by the term curvilinear motion? State in brief?
What do you mean by the term curvilinear motion? State in brief?
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