The graph of density against temperature for water is correctly illustrated by

A football is kicked at an angle of 45° to the horizontal over a defense line up with a velocity of 15\(ms^{-1}\). Calculate the magnitudeof horizontal velocity of the ball at its highest point  [Neglect friction, g = 10\(ms^{-2}\)].

The ice point on the absolute scale of temperature is

Which of the following factors does not increase the rate of evaporation of water in a lake?

The bob of a simple pendulum takes 8.0s to complete 10 oscillations. Determine the frequency of oscillation of the bob.