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Q. Explain density?
Answer:-
Density is a physical characteristic also is a measure of mass per unit of volume of a material or substance. It is a dimension of the amount of matter in a given volume of something.
The higher an object's density means the higher it's mass per unit of volume. The average density of an object equivalent its total mass divided by its total volume. A denser thing (such as iron) will have less volume than an equal mass of some less dense substance (such as water).
Superposition principle The general idea is that, while a number of influences are working on a system, the total influence on that system is just the sum of the individual in
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how to calculate maximum and minimum resultant forces
Loudness: It is the characteristics of sound by a faint sound can be distinguish by a loud sound is known as loudness.
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A vertical spring generates simple harmonic motion with period 1sec. when a mass of 1gm suspended at the lower end of the spring, calculate the length through which the spring stre
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