Which of the folowing statements about light travelling from one material medium to another is not correct?
The engine of a car provides a forward force of 1240 N and the total resistive force on the car is 800N. If the mass of the car is 1220 kg, determine the distance the car has to travel from the rest before acquiring a speed of 4 m s\(^{-1}\).
A quantity of water at 0 °C is heated to 30 °C. For each degree rise in temperature, its density will---------
A small object of mass 50 g is released from a point A. Determine the velocity of the object when it reaches a point B, a vertical distance of 30m below A. [g = 10 ms\(^{-2}\)
Molecules move in random motion within a liquid. The total internal energy of the liquid depends on all of the following except its?
