David was amazing! We live out of state and did everything over the phone. David walked us through the vehicle through Facetime. He was friendly and very helpful and no pressure. We felt like we were ...

The Higher Education Commission has launched PhD Country Directory Online System for the benefit of PhD scholars. It was inaugurated by Minister for Federal Education and Professional Training Rana ...

The only difference between velocity and speed is that velocity has a direction, and so is a vector quantity. Average velocity = \(\frac{\text{displacement}}{\text{time}}\) Displacement is the ...

gradient = \(\frac{change~in~y}{change~in~x} = \frac{change~in~speed}{change~in~time} = \) \( \frac{change~in~metres~per~second}{change~in~seconds}\) = metres per ...

Abstract: The world is facing unavoidable disaster challenges, especially floods in Thailand, these inundations have been becoming increasingly difficult to manage each year. Therefore, a preliminary ...