Question

the unit of speed depends upon the unit of distance and unit of time.why? ​

Answer 1

Answer:

We know that,

(i) The basic unit of time is second, second is the SI unit of time.

(ii) Every object may or may not moves with a constant speed. Some are accelerating also.

(iii) The Distance between two cities are measured in kilometers. it is big unit of distance.

(iv) The time period of a given pendulum is always constant because it depends on the length of the pendulum.

(v) The speed of a train is measured in km/h and in m/s.

So, we can say that, (ii), (iv) and (v) are not correct statements.

Hence, This is the correct answer.

Answer 2

Answer:

beacause speed is calculated by dividing distance and time

SPEED = DISTANCE / TIME