A Particle is kept at rest at the top of a sphere of diameter `42m`.when disturbed slightly, it slides down. At what height `h` from the bottom, the p

Question

A Particle is kept at rest at the top of a sphere of diameter `42m`.when disturbed slightly, it slides down. At what height `h` from the bottom, the p

A Particle is kept at rest at the top of a sphere of diameter `42m`.when disturbed slightly, it slides down. At what height `h` from the bottom, the particle will leave the sphere
A. 14 m
B. 28 m
C. 35 m
D. 7 m

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
As we know for hemisphere the pqrticle will leave the sphere at height `h=2r//3`
`h=(2)/(3)xx21=14`
but from the bottom
`H=h+r=14+21=35`

6 views Answered 2023-02-05 15:29