A cylindrical plastic bottle of negligible mass is filled with 310 ml of water and left floating in a pond with still water. If pressed downward slightly and released, it starts performing simple harmonic motion at angular frequency . If the radius of the bottle is 2.5 cm then close to: (density of water =10 |
|||

(a) |
5.00 rad s |
(b) |
1.25 rad s |

(c) |
3.75 rad s |
(d) |
7.95 rad s |

A cylindrical plastic bottle of negligible mass is filled with 310 ml of water and left floating in a pond with still water. If pressed downward slightly and released, it starts performing simple harmonic motion at angular frequency . If the radius of the bottle is 2.5 cm then close to: (density of water =10 |
|||

(a) |
5.00 rad s |
(b) |
1.25 rad s |

(c) |
3.75 rad s |
(d) |
7.95 rad s |

1 Answer

127 votes

Extra Boyant force=Axg

B_{0}+B×mg=ma

B=ma

A=

W^{2}=

W=

==7.95

127 votes

127