Respuesta :
SOLUTION :-
- Time for 30 oscillations (t) = 51 seconds
- Time for one oscillation = 51/30 = 1.7 sec
- so , the time period of the simple pendulum is T = 1.7 sec
Time for 30oscillations=51s
Time period for 1oscillation
[tex]\\ \sf\longmapsto 51/30[/tex]
[tex]\\ \sf\longmapsto 1.7s[/tex]