Question

A simple pendulum takes 42 seconds for 20 oscillations. Calculate the time period? need this answer ASAP!! (thks in advance)

Answer 1

$\textbf{Solution}$

$\textbf{Time taken by simple pendulum = 42 s}$

$\textbf{Number of oscillations made by it }= 20$

$\textbf{As we know that}$

$\textbf{Time Period =}$$\bf \frac{Total \: time \: taken}{Number \: of \: oscillations}$

$\small\textbf{Now putting the values we have}$

$time \: period = \frac{42}{20} \\ \\ = 2.1 \: seconds$

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Be Brainly

Answer 2

No. of oscillations completed by the pendulum= 42 

Time taken to complete 42 oscillation= 20 seconds 

Time period= No. of oscillations completed/Time taken 

Time period= 42/20 

= 21/10 (cancelled by 2) 

= 2.1 

Time period= 2.1 seconds