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Standard XII

Physics

Frequency

The average s...

Question

The average speed of the bob of a simple pendulum oscillating with a small amplitude $A$ and time period $T$ is

\frac{4 A}{T}

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\frac{2 π A}{T}

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\frac{4 π A}{T}

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\frac{2 A}{T}

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Solution

The correct option is A $\frac{4 A}{T}$
$x = A s i n (\frac{2 π}{T} t)$
$\Rightarrow$ distance covered in time $t = \frac{T}{4} = A$
$\Rightarrow$ average speed $= \frac{A}{T / 4} = \frac{4 A}{T}$

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The average speed of the bob of a simple pendulum oscillating with a small amplitude A and time period T is

The correct option is A 4ATx=Asin(2πTt)⇒ distance covered in time t=T4=A⇒ average speed =AT/4=4AT

The average speed of the bob of a simple pendulum oscillating with a small amplitude $A$ and time period $T$ is

The correct option is A $\frac{4 A}{T}$
$x = A s i n (\frac{2 π}{T} t)$
$\Rightarrow$ distance covered in time $t = \frac{T}{4} = A$
$\Rightarrow$ average speed $= \frac{A}{T / 4} = \frac{4 A}{T}$