Question

1. Distinguish between speed and
velocity.
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Answer 1

Answer:

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ...

Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.

Answer 2

Answer:

speed :

1. the distance travelled by the object in unit time is called its speed.

2. it is a scalar quantity.

3. speed is always positive or zero but never negative.

velocity :

1. the distance travelled by the object in unit time in definite direction is called the velocity.

2. it is a vector quantity.

3. velocity can be positive, negative or zero.

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