What is the angle of projection for which the range and maximum height become equal ?Physics A. tan-1 ¼ B. tan-1 4 C. tan-1 ½ D. tan-1 2
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