Differentiate between:
Waterways and Airways.
Waterways: Waterways are natural or artificial bodies of water used for transportation. Rivers, lakes, and canals are common examples of waterways that allow ships, boats, and barges to transport goods and people.
Airways: Airways are paths or routes taken by aircraft in the sky. They are not physically visible like waterways but are tracked by air traffic control systems, connecting airports for passenger and cargo transport.
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.
Predict the type of cubic lattice of a solid element having edge length of 400 pm and density of 6.25 g/ml.
(Atomic mass of element = 60)