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A boat having a length 3 m and breadth 2...

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is

A

60 kg

B

62 kg

C

72 kg

D

128 kg

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The correct Answer is:
A
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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 1 (Fluid Statics)
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  4. A body of volume 100 c.c. is immersed completely in waer contained in ...

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  5. The total weight of a piece of wood is 6 kg in the floating state in w...

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  7. An object of volume V is submerged in a liquid of density rho. It has ...

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  8. There are three different liquids with densities rho(1), rho(2) and rh...

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  9. A wooden cube just floats inside water when a 200 gm mass is placed on...

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  14. An object of weight W has a uniform rectangular cross section of a x2a...

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  15. Streamline motion is that motion in which there is-

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  16. An aeroplane of mass 3xx10^(4)kg and total wing area of 120 m^(2) is i...

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  18. Water is flowing through a channel that is 12m wide with a speed of 0....

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  19. A U-tube of small and uniform cross section contains water of total le...

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  20. 16cm^(3) of water flows per second through a capillary tube of radius ...

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