Question

_____is the distance traveled during a specific unit of time.

Answer 1

SPEED is the distance traveled during a specific unit of time.

Speed :

(i) Speed ​​is a scalar quantity.

(ii) Dimension: $[ M^0 L^1 T ^- ^ 1 ]$

(iii) SI unit :- meter / second, CGS unit : cm / second

Types of speed:

(a) Uniform speed - When a particle covers an equal distance in an equal time interval, then the particle's speed is called uniform.

(b) Non-uniform speed  ​​- When a particle covers an unequal distance in an equal time interval, then the particle's speed is called variable or Non-uniform speed.

(c) Average speed - The ratio of the total distance covered by an object and the time taken to cover that distance is called average speed.

(d) Instantaneous speed - The object's speed at a given time or moment is called instantaneous speed.

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