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By definition an ideal gas in a closed follows the relationship of PV=nRT, or PV/T = constant
This means that Pressure * Volume/ Temperature will be the same at the start and end of the p...
A metal has free electrons, so when it is heated these electrons gain kinetic energy, meaning they move faster. As a result, these free electrons will collide with other electrons or ions, transferring en...
This is a question about circular motion that also includes some knowledge of Newton's laws. The car is travelling over a curved surface, which you can imagine as part of the circumference of a circle....
Whilst at first this question looks difficult, once broken down it becomes quite easy. It is a simple case of energy exchange.
The pole vaulter gives themselve kinetic energy as they apro...
a) Acceleration is the rate of change of velocity of an object
In this case, the equation that we will use to calculate it is
a = (v - u )/ t
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