When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 isPhysics A. 2π B. π/2 C. π D. 20π
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
