Increase in velocity of sound in the air for 1°C rise in temperature is_Physics A. 1.61 ms-1 B. 61.0 ms-1 C. 0.61 ms-1 D. 2.00 ms-1
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
