___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.
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If the vector sum of torques acting on a system is zero, then the object is in _______.
Sound is a form of ____________ which produces a sensation of hearing in our ears.
The advantages of being an entrepreneur are
In the United States the television broadcast standard is
The richest source of Vitamin D from food is
Metals reacts with acids to give:
The absolute zero is a temperature at which _______