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Then end A of a rod slides down a smooth...

Then end A of a rod slides down a smooth wall and its end B slides on a smooth floor. When AB makes angle `alpha` with the horizontal, A has speed v. The speed of B must be

A

`(v)/(tan alpha)`

B

`v tan alpha`

C

`(v)/(cos alpha)`

D

`v sin alpha`

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The correct Answer is:
D
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D MUKHERJEE-MISCELLANEOUS QUESTION 1-Miscellaneous Questions-1 (Straight-Objective Type)
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  9. Two identical dielectric slabs, A and B, are placed symmetrically betw...

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  10. A coil with resistance R is placed in a magnetic field. The flux linke...

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