Question

Plzz answer this


I will mark u as brainlist

Answer 1

i) Sundial
ii) Time period
iii) Speed
iv) Galileo Galilee
hope it helps

Answer 2

Answer :-

(I) A device that measures time by change in position of shadow formed because of sunlight

:- Sundial

(ii) The time taken by a pendulum to complete one oscillation

:- Time period of pendulum

(iii) The distance traveled by a body in unit time

:- Speed ( distance /sec)

(iv) The astronomer who introduced the simple pendulum to measure time

:- Galileo Galilei