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A) Ball made of wood and ball made of aluminum, of the same radius are placed...

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Physics

A) Ball made of wood and ball made of aluminum,of the same radius are placed into reservoir with water. Aluminumball after sinking rests at the bottom, wooden ball floats. Whichball experiences greater buoyancy force?

aAluminum
bWooden
cBuoyncy forces are the same
dThere is not enough information

B) Water flows through a pipe with speed of 18m/s. Pipe suddenly widens to 3 times of its initial diameter. Thespeed of water in broader part of a pipe is:

a2 m/s
b6 m/s
c18 m/s
d54 m/s

Answer & Explanation Solved by verified expert
4.5 Ratings (742 Votes)
answer A It is quite tricky question since here its not given that the wooden ball is floating partially or is how much is it submerged in water The buayant force is equal to the wieight of water displaced by    See Answer
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