NCERT Example 3.9 - Motion in a Plane
Question: An insect trapped in a circular groove of radius 12 cm moves along the groove and completes 7 revolutions in 100 s. Find angular speed, linear speed, and centripetal acceleration. Is acceleration constant?
Answer: **? ? 0.44 rad s≈**, **v ? 5.3 cm s⁻¹**, **a_c ? 2.3 cm s⁻¹**; acceleration is **not a constant vector**.
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