Question

djstinguis speed and velocity ????​

Answer 1

Answer:

Speed:-

1) Speed of a body is the distance travelled by it per unit time

2) In speed the direction of the motion of body is not specified

3) Speed bas only magnitude no direction it's a scalar quantity.

Velocity :-

1) Velocity of a body is the distance travelled by it per unit time in a given direction.

2) In velocity the direction of mktion of a body is specified.

3) Velocity has both direction as well as magnitude.

Answer 2

Answer:

Speed:

1. The rate at which an object covers a certain distance is known as speed.
2. Scalar quantity
3. Speed can never be negative or zero
4. The average speed will continue to count even if the object change direction.
5. Speed never decreases with time. For a moving object, it is never 0.

Example:

A sports bike travelling at 50 m/s would go from 0 m/s to 30 m/s, before reaching 50 m/s and could even reach 70 m/s. However, the average speed will be the speed of the bike?

Velocity:

1. Velocity can be defined as the rate at which an object changes position in a certain direction.
2. Vector quantity
3. Velocity can be zero, negative, or positive.
4. The velocity of the object changes with the change in direction, therefore the object must follow one direction.
5. Velocity can decrease with time. For a moving object, it can be 0.

Example:

A train going towards south with an average speed of 50 km/h will have a velocity of 50km/h, north. An object going straight in a particular direction is considered to have velocity.

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