Practice question

MCQ

Question

A pendulum bob of mass 2kg is given a horizontal velocity v0 at the bottom to just complete a vertical circle of radius 1.5m. What is v0? (Take g\=10m/s2)

Options

Choose one · Correct answer highlighted

√75 m/s = 5√3 m/s ≈ 8.66 m/s Correct √60 m/s ≈ 7.75 m/s √45 m/s ≈ 6.70 m/s 10 m/s

Explanation

At top, v=gL, energy at bottom = energy at top. As per NCERT, applying relevant law/formula with correct units and sign convention leads to √75 m/s = 5√3 m/s ≈ 8.66 m/s. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.

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A pendulum bob of mass 2kg is given a horizontal velocity v0 at the bottom to just complete a vertical circle of radius 1.5m. What is v0? (Take g\=10m/s2)

Options

Explanation

Comments

Related blogs

Experiment 16: Flash Cards / Models / Specimens Showing Examples of Homologous and Analogous Organs

Experiment 15: Identification and Study of Symbiotic Associations (Root Nodules of Leguminous Plants, Lichens) and Parasitism (Cuscuta on Host)

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