A spherical ball, when immersed in a cylinder of base radius 14cm, raises the level of water in the cylinder by 4cm. Find the radius of the ball in cm
A) cuberoot 588
B) cuberoot 147/2
C) Sqrt 94/7
D) cuberoot 147
E) Cannot be determined
Oa is A
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Plz solve( Radius of ball)
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mitaliisrani
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Volume of water raised= volume of sphere.mitaliisrani wrote:A spherical ball, when immersed in a cylinder of base radius 14cm, raises the level of water in the cylinder by 4cm. Find the radius of the ball in cm
A) cuberoot 588
B) cuberoot 147/2
C) Sqrt 94/7
D) cuberoot 147
E) Cannot be determined
Oa is A
Volume of water raised= pi * r^2 * h = pi*14^2 * 4 = 14*8*22
Volume of sphere = 4/3 * pi * r^3
=4/3 * 22/7 * r^3 = 14 * 8 * 22
r^3 = 3/4 * 14 * 14 * 4
r^3 = 3 * 196
r^3 = 588
r = cuberoot(588)
Hope this helps!!
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don't be afraid of failure and don't abandon it.
People who work sincerely are the happiest."
Chanakya quotes (Indian politician, strategist and writer, 350 BC-275BC)
