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The pressure increases when it is moved from a cool environment to a warmer environment. This is because the molecules of oxygen have more kinetic energy in a warmer environment and therefore move faster....
Firstly you need to know that the weight/mass of water displaced by the cube is equal to the weight/mass of the ice cube: 3.9 x 10-3kg You then need to recognise that the weight of the cube is...
To find the necessary power, we need to know how much water is flowing every second, and how much energy we need to heat that amount of water.Amount of water = 6kg per minute = 6/60 kg per second = ...
The relationship between velocity, frequency and wavelength is given by: v=fλ. In this case, we have: v=fλ1 and v=2fλ2 .Since the question states that the velocity is const...
In any metal, there are free surface electrons. For these electrons to escape from the surface of a metal, they require a specific amount of energy, called the 'Work Function'. There are many sources of t...
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