A stone is dropped from a cliff at time t = 0 and strikes the ground below.

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

What happens in a global convection cell

Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude