Is it possible for a stationary object to have a single force acting not it? if your answer is yes, provide and example. if your answer is no, explain why not.

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.

Diverging mirrors and lenses always produce images

The dominant wavelength of energy emitted by the sun is