Q1. A cylinderical water tank of radius 10ft and height 30ft is half filled with water. How much work is essential to pump all of the water out through a hole in the top of tank?
Q2. Utilize the evolution of the atomic model from Democritus to DeBroglie to illustrate that scientific thought is adjusted through time and is not just the collection of facts. Your explanation must include the specific changes in the atomic model which have occurred through time.