define speed according to class 9th
Answers
Answer:
Explanation:
Speed is defined as the total distance travelled by the object in the time interval during which the motion takes place. SI unit of speed is meter per second. So,
where s is the distance traveled by the body and t is the time taken by the body to travel distance s.
Speed of a body gives us the idea how slow or fast that body is moving.
The ratio of total distance to total time taken by the body gives its average speed. The speed of a body at a given instant is its instantaneous speed.
The ratio of total distance to total time taken by the body gives its average speed
Answer:
the rate at which someone or something moved or operates or is able to move
Explanation:
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