Problem: Just as you turn onto the main avenue from a side street with a stop sign, a city bus going 50 km/h passes you in the adjacent lane. You want to get ahead of the bus before the next stoplight which is two blocks away. Each block is 70 m long and the side streets are 10 m wide, while the main avenue is 20 m wide. If you increase your speed at a rate of 7 km/h each second, will you make it?

A machine is a device that accepts energy in some available form and utilizes it to do a type of work. Energy, work, or power has to be transferred from one mechanical part to another to run a machine. While the transfer of energy between two machine par…

In physics, work is the product of the net force in direction of the displacement and the magnitude of this displacement or it can also be defined as the energy transfer of an object when it is moved for a distance due to the forces acting on it in the d…