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If there is a change of angular momentum from 1J-s to 4J-s in 4 second, then the torque is
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Verified Answer
The correct answer is:
$\left(\frac{3}{4}\right) \mathrm{J}$
$\mathrm{L}_{1}=1 \mathrm{~J} \mathrm{~s} \quad \mathrm{~L}_{2}=4 \mathrm{~J} \mathrm{~s}$
$\mathrm{t}=4$
$\tau=\frac{4-1}{4}=\frac{3}{4} \mathrm{~J}$
$\mathrm{t}=4$
$\tau=\frac{4-1}{4}=\frac{3}{4} \mathrm{~J}$
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