Question

Pls help me with this!

Answer 1

we know that ;

volume of a hemisphere = 2/3. pi .r square , where radius is r

therefore , volume = 2/3 .pi .30 *30

=600 pi cm cube

time taken to fill 4500 cm cube = 1 minute

therefore , time taken to fill 600 pi cm cube = 600 pi / 4500

= 6 * 22/7 * 45

= 44/105

=0.41 minute

HOPE THIS HELPS YOU

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