Acirclar track has a cirumference of 3140 m wih ab as one of it's diameters. w scooterist moves from a to b along the circular pah wih a uniform speed of 10 m/s. find the distance covered by the scooterist. (i'm not sure what formula to apply. i can tell what the answer is, but don't know the step by step process to explain it)

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is

By definition a socially healthy person has access to clean water in adequate living space and makes an effort to recycle