Temperature is the property of a body which is proportional to the ____.
The product of force and time is?
Which of the following concepts is not an evidence of the particles nature of matter?
A solid cube of side 50cm and mass 75kg floats in a liquid with \(\frac{1}{3}\) of its height above the liquid surface. The relative density of the liquid is?
A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill?
