# volume of solid of revolutionWatch

#1
Question:

a hemispherical bowl of internal radius 13 cm contains water to a maximum depth of 8 cm.

My attempt:

r = 13 sub it into y

I was wrong but I cannot understand why the book gives answer ;

0
1 week ago
#2
(Original post by bigmansouf)
Question:

a hemispherical bowl of internal radius 13 cm contains water to a maximum depth of 8 cm.

My attempt:

r = 13 sub it into y

I was wrong but I cannot understand why the book gives answer ;

You did everything correctly, except you have the wrong limits on your integral. Try drawing a diagram - where's the bottom 8cm of the bowl.
#3
(Original post by ghostwalker)
You did everything correctly, except you have the wrong limits on your integral. Try drawing a diagram - where's the bottom 8cm of the bowl.
thank you very much for helping me
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