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Question

A 0.35kg stone is whirled in a horizontal circle of radius 1.2m at 50rev/min. What is the tension? (Take g\=10m/s2)

Options

Choose one · Correct answer highlighted

Explanation

Angular speed: ω=50×2π60=5π3rad/s. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 10 N. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.

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