Question

what is speed and velocity?​

Answer 1

Answer:

Speed

1. The distance traveled by a body followed by the distance is known as speed
2. It has a magnitude
3. It is a vector quantity
4. It's units are meter/sec and km/hr

Velocity

1. The distance traveled by a body followed by the displacement is know Velocity
2. The magnitude may be zero.
3. It is a scalar quantity.
4. It's units are meter/sec and km/hr.

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Answer 2

Speed is defined as the total distance covered in an interval of time. Often denoted by the letter "v". It cannot be negative.

Formula for calculating speed is, speed=

$\frac{distance}{time}$

To calculate average speed, divide the total distance by total time taken.

When speed is defined with a direction it is called velocity. Unlike speed, velocity can be negative. Like speed, it is often denoted by the letter "v".

Velocity=

$\frac{displacement}{time}$

Average velocity for an accelerating object is given by:

$\frac{v-u}{t}$

where, v is the final velocity of the object, u is the initial velocity of the object and t is the time taken.