A car on a highway travels 3 km eastward then 600 m northward. What is the car’s approximate resultant vector relative to its original position?

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?