An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ?Physics A. 224 – 84 B. 220 – 80 C. 222 – 86 D. 226 – 87
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