A rod- pivoted at one end- rotates through 2-3 radians- If the rod is 6 inches long- how many inches does the free end travel-

The correct option is D 4π R.E.F imageWe have to find AB AB=r·θ =6·2π3 =4π . ...

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Standard XII

Physics

Rotational Work and Energy

A rod, pivote...

Question

A rod, pivoted at one end, rotates through $\frac{2 π}{3}$ radians. If the rod is 6 inches long, how many inches does the free end travel?

π

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2 π

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3 π

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4 π

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\frac{3 π}{2}

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Solution

The correct option is D $4 π$
R.E.F image
We have to find AB
$ˆ A B = r \cdot θ$
$= 6 \cdot \frac{2 π}{3}$
$= 4 π$ .

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A rod, pivoted at one end, rotates through 2π3 radians. If the rod is 6 inches long, how many inches does the free end travel?

The correct option is D 4πR.E.F imageWe have to find ABˆAB=r⋅θ=6⋅2π3=4π.

A rod, pivoted at one end, rotates through $\frac{2 π}{3}$ radians. If the rod is 6 inches long, how many inches does the free end travel?

The correct option is D $4 π$
R.E.F image
We have to find AB
$ˆ A B = r \cdot θ$
$= 6 \cdot \frac{2 π}{3}$
$= 4 π$ .