The velocity of a particle of mass m of de-Broglie wavelength λ isPhysics A. v = 3 ×× 106 ms-1 B. v = 2 ×× 10 ms-1 C. v = 2 ×× 6 ms-1 D. v = 2 ×× 106 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
