The time period and the amplitude of a simple pendulum are $$4$$ second and $$0.20$$ metre respectively. If the displacement is $$0.1$$ m at time t $$=$$ $$0$$, the equation of its displacement is represented by:

Question

Infinity Learn · Accepted Answer

$$y=A$$ $$sin$$ ω$$t+$$ϕIf at $$t=0$$, $$y=0.1$$ m, then                         $$0.1=0.2$$ $$sin$$ ϕ⇒ϕ$$=$$π$$/6$$                             $$y=0.2$$ $$sin$$ $$2$$$$π$$$$t4+$$π$$6$$                                $$=0.2$$ $$sin$$ $$0.5$$ π$$t+$$π$$/6$$

The time period and the amplitude of a simple pendulum are 4 second and 0.20 metre respectively. If the displacement is 0.1 m at time t = 0, the equation of its displacement is represented by:

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