The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?Physics A. -1 B. 1 C. 2 D. -2
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