#29) Average Velocity The average velocity is the total location change over the
ID: 1910681 • Letter: #
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#29) Average Velocity The average velocity is the total location change over the time interval it took to change the location. Since location is a vector quantity, the velocity is defined as the final location, x2 minus the initial location, x1, over the time it took to make the location change. Average Velocity = ( location 2 - location 1 ) / total time = ( x2 - x1 ) / ( t2 - t1 ) If you leave your driveway, travel around the block in your car, and then return to your driveway, your instantaneous velocity is close to what you are reading on your speedometer plus the direction that your car is facing. Your average velocity, however, is zero because the start and end points are the same. The instantaneous velocity may change during the time interval. Average velocity does not show the velocity variations. It can include stops. In both the average and instantaneous velocity, we are talking about the rate at which location is changed. You are on cruise control. Your car is going around a curve on the freeway. Has the velocity changed? Question 29 options: Yes, because the speedometer keeps the same reading. The average and instantaneous velocities do not change. Your direction has changed so your average velocity will change. However, your instanteous velocity did not change. Your direction has changed so your average velocity changed and your instanteous velocity also did change.Explanation / Answer
Correct option is : Your direction has changed so your average velocity changed and your instantaneous velocity also did change. The SPEED is what is constant....velocity always changes when direction changes...
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