Question

Q) fill in the blanks :

1) the distance covered by the object in a unit is known as its _____________ .

2) an object is said to be in __________ motion is it travels in a straight line and covers equal distance in equal intervals of time.

3) a sand clock was used by early ___________ .

4) the standard unit of time is ________________ .
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Answer 1

Answer:

speed

uniform motion

...

second

hope my answer helps you

Answer 2

Answer:

1)Speed

2)Uniform

3)Greeks and Romans

4)Second [s]