The average speed of a moving object during a given interval of time is
always equal to:
(A) the magitude of its average velocity over the interval
(B) the distance covered during the time interval divided by the time interval
(C) one-half its speed at the end of the interval
(D) its acceleration multiplied by the time interval.
And also explain
Answers
Answer:
A ) For a particle moving in straight line the speed and velocity are same. So the particle must move in a straight line without turning back.
B ) To find the average speed we take the total distance traveled divided by the time interval. To find the average velocity we take the displacement Δ x \Delta x Δx divided by the time interval.
C ) the distance covered during the time interval divided by the time
D ) The average value of any integrable function on an interval is the definite integral of that same function on the interval, divided by the length of the interval. So the average acceleration on a time interval is the definite integral of the acceleration on the time interval divided by the length of the time interval.
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