A rod of length $1\,meter$ is standing vertically, when its other end touches the ground without slipping then the speed of other end will be
A rod of length $1\,meter$ is standing vertically, when its other end touches the ground without slipping then the speed of other end will be
- A
$\sqrt {19\times 6}\,m/sec$
- B
$\sqrt {29\times 4}\,m/sec$
- C
$\sqrt {9.8\times 3}\,m/sec$
- D
$9·8\, m/sec$
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