Velocity is the speed of an object moving in a definite direction. The velocity of an object can be uniform or variable. When an object moving along a straight line at variable speed, we can Express the magnitude of its rate of motion in terms of average velocity.
Average velocity=Initial velocity+Final velocity/2
The SI unit of velocity is m/s.
Because it's vital to the survival of all species, not just human, that we have resources such as food and water. Also that those resources be clean and healthy. We also need to manage resources such as oil to make sure there are fewer wars like the ones happening in the Middle East. If you need anything else just message me.
Answer:
George Washington is the first president
Capillaries have thin walls, only one cell thick, that allow them to effectively perform their function.
Error is the amount of imprecision or variation in a set of measurements. It is expressed as a percent error. So the statement is true! Hope this helped!