Recent content by onlyhuwyouknow

Answer When the water rocket ejects water to propel itself, this creates a force pair that can be described by Newton's 3rd Law. According to this law, the force of ejection will be equal in magnitude but opposite in direction to the force acting upon the body of the water rocket. We can write...

John Drake from Emmanuel (The PDF from the first page) got two questions wrong from what I know: 1. The exact value of Sin(A) in 13(a)(ii) should be sqrt(15)/8, as pointed out earlier. Confirmed here. 2. The region to be shaded in in 13(b)(ii) should also include the 2nd quadrant, and a part...