Question

15.

If an object is moving in a straight line without changing direction. Then

Average speed and Average velocity will be equal

Average speed will greater than Average velocity

Average speed will less than Average velocity

None of these​

Answer 1

Answer:

Average speed an average velocity will be

Answer 2

Answer:

The correct option is: Average speed and Average velocity will be equal.

Explanation:

• Average speed: The ratio of total distance covered and total time taken is called average speed. This is scalar quantity.

        Average speed = total distance/ total time.

• Average velocity: The ratio of total displacement and total time taken is called average velocity. This is vector quantity.

        Average velocity = total displacement/ total time.

• Average velocity = average speed + direction

When the direction is unchanged then, Average velocity = average speed.

If the path is straight, then direction will not be changed, so at that time Average velocity = average speed.

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