We usually use the words speed and velocity interchangeably in every day languag

Question

We usually use the words speed and velocity interchangeably in every day language. They are not the same! The distance an object moves in a particular direction in a unit of time is called the velocity. Since there is a direction and a magnitude of the motion, velocity is a vector quantity. The direction of motion must be specified in order to have a velocity. Only when we are moving in one direction is the velocity and speed the same. We will cover vector quantities in more detail in class. There are instantaneous and average velocities just as there are average and instantaneous speeds. You are in Long Beach. You travel at approximately 55 mph in a southeast direction for two hours. After 2 hours you will be in what city? Question 28 options: Santa Barbara Catalina San Diego Palm Springs

Explanation / Answer

Distance in two hours = 55x2 =110m in south-east direction. Santa Barbara

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