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Per NCERT Example 3.9, an insect on a 12 cm circular groove completes 7 revolutions in 100 s. Its angular speed is closest to which value?
A7 rad/s
B0.44 rad/s
C2π rad/s
D1.0 rad/s
Answer & Solution
Correct answer: B. 0.44 rad/s
NCERT Ex 3.9: ω = 2π × (7 / 100) = 14π / 100 ≈ 0.44 rad/s.
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