Question

CLASS 9th
Ques-1- What is speed​

Answer 1

Explanation:

Speed is the scaler quantity that refers to 'how fast an object is moving'. Example of speed is a car being driven 45 miles per hour.

Answer 2

Answer

✔ The rate of change of position of an object in any direction is called as speed.

✔ Speed is a scalar quantity .

✔ It has only direction and no magnitude.

✔ It is given by the formula ,

$speed = \frac{distance \: travelled}{time \: taken}$