Physics
Q = mcdT refers to

Heat of Vaporization
Enthalpy formula
Heat Transfer formula
Specific Heat formula

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Physics
A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

The liquid surface falls down on the direction of motion and rises up on the back side of the tank
None
The liquid surface falls down only at the center of the tank
The surface of the liquid remains horizontal

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Physics
Negative feedback in amplifiers

Increases bandwidth and increases noise
Increases bandwidth and decreases noise
Decreases bandwidth and increases noise
Decreases bandwidth and decreases noise

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