The velocity of sound in air would become double than its velocity at 0°C at temperature ?Physics A. 313°C B. 586°C C. 819°C D. 1172°C
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is
