A piece of cork starts from rest at the ...

A piece of cork starts from rest at the bottom of a lake and floats up. Its velocity v is plotted against time t. Which of the following best represents the resulting curve?

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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 2 (One or more than one correct answer)

Water filled in an empty tank of area 10 A through a tap of cross sect...
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The U - tube shown has a uniform cross - section. A liquid is filled i...
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There are two identical small holes on the opposite side of a tank co...
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