Value of permeability of free space in SI units isPhysics A. 4πx10-9 WbA-1m-1 B. 4πx10-7 WbA-1m-1 C. 4πx10-10 WbA-1m-1 D. 4πx10-8 WbA-1m-1 Answer: Option B.
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