Question

Amrit is filling oil into a cylindrical container of Radius 50cm and height 105cmat the rate of 5 litres per minute how many minute will be e she take to fill the container completely




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Answer 1

V=π.r

2

.h

dt

dV

=π.r

2

.

dt

dh

0.25π.=π.(0.5)

2

.

dt

dh

Or

0.25=

4

1

.

dt

dh

1=

dt

dh

Hence the surface is rising at 1m/min.

idint know this is corect