Question

distinguish speed and velocity define average speed

Answer 1

Hey MATE!

•> Speed - It's is distance covered in per unit time. It is a scalar quantity and can only be postive or zero.

•> Velocity - Displacement per unit time is velocity. It is a vector quantity and has magnitude and direction both. It can be postive, negetive or zero.

Average speed is distance in particular intervals.

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Answer 2

Hey mate!

Answer:

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SPEED ↓

⇒ Speed is the distance covered per unit time.

⇒ Speed of an object is scalar (only has magnitude) and is always positive.

⇒ Speed of the object tells us how fast does the object moves.

⇒ Average speed of a moving object cannot be zero and is always positive.

VELOCITY ↓

⇒ Velocity is the displacement (distance covered in a paticular direction) covered per unit time.

⇒ Velocity of an object is a vector (has magnitude as well as direction) and can be positive or negative.

⇒ Velocity of an object tells us how fast and in which direction does the object moves.

⇒ The average velocity of an object can be zero too.

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Average speed : It is the ratio of the total distance travelled by the object to the total time taken to cover that distance.

Average speed, $</strong></p><p><strong>V_{av} = \frac{Total\:distance\:travelled}{Total\:time\:taken}</strong></p><p></p><p><strong>V_{av} = \frac{s}{t}$

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Hope it helps you!

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