Speed and Velocity - 1/14

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Speed is the rate at which an object covers distance. Velocity is the rate of the distance traveled by an object per unit time in a particular direction. The difference between speed and velocity is that speed has doesn't require direction while velocity is speed with a given direction. This is why speed is a scalar quantity and velocity is a vector quantity. An example of speed is "the car traveled 25 m per second". In addition, an example of velocity is "the car traveled 25 m per second east". Since both speed and velocity require the rate at which an object covers distance per unit time, they share the same formula. The formula to calculate for speed and velocity is speed or velocity = d/t. D/t stands for distance divided by time. So in order to find the speed or velocity of an object's movement, you need information on the total distance traveled by the object and the amount of time it took the object to travel that distance. The unit for speed is usually m/s or meters per second and the unit for velocity is usually m/s direction. Speed and velocity can be graphed on a position vs. time graph.

S&EP - SP1: Asking questions and defining problems

I formulate testable questions when I read over the questions on the "Speed and Velocity" document that was assigned. I needed to answer these questions about speed and velocity in order to complete this document. To answer these questions, I needed to read the correlating article and research the information. I established what is already known about speed and velocity when I answered the questions and typed them down on the document. I determine what questions have yet to be answered when I looked at the remaining questions I still haven't answered or when I looked at the questions that I couldn't find the information for. I defined constraints and specifications for a solution as I realized that I couldn't calculate and solve for speed or velocity without knowing information about the distance and time of the object's movement. I needed to know the total distance the object traveled and the amount of time it took for the object to travel this distance. The reason I needed this information is because the formula for speed or velocity is distance/time.