How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?Physics A. 365 days B. 730 days C. 329 days D. 129 days
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