Question

A simple pendulum rakes 42 seconds to complete 20 oscillations .what is the time-period of the pendulum

Answer 1

Answer:

time for one oscillation

= 42/20

= 2.1 seconds

add to brain.... plzzz....

Answer 2

Answer:

10/21

Step-by-step explanation:

time period = 20/42

                   = 10/21

                   =