Question

3) Calculate the time period of a simple pendulum that takes 84 seconds to complete 40 oscillations. on definiation​

Answer 1

40 oscillations in 60 sec therefore in 1 sec f=

60

40

=

3

2

Hz

therefore T=

f

1

=

3

2

1

=1.5s

Answer 2

Answer:

40 oscillations in 84 seconds = 84 ÷ 40 = 2.1 oscillation per second