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Q. Illustrate that soccer balls go faster in the air on a cold or hot day? Answer:- On a hot day the air molecules have additional kinetic energy they move around more fre
what is gravitional constant? mention its SI value
What is the hall effect? Derive expression for it.
What is Gas Laws? Kinetic theory states that the speed of motion of the molecules in a substance decreases as the substance's temperature decreases. As well, the speed of motio
What is Conductors and insulators Conductors - one or more electrons from each atom in solid can move freely by body conducting electric charge (metals) Insulators - electro
Does a soccer ball go faster in the air on a cold or hot day? On a hot day, the air molecules have much kinetic energy - they move more freely. They will move out of the way of
Construction of a thermometer
AVERAGE ACCELERATION: The total change in velocity of a body separated by total time taken is known as average acceleration. It is denoted by a ? av or .
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