Water is flowing at the rate of through a circular pipe whose internal diameter is…

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

Water is flowing at the rate of

0.7\text{ m/sec}

through a circular pipe whose internal diameter is

2\text{ cm}

into a cylindrical tank, the radius of whose base is

40\text{ cm}

. Determine the increase in the level of water in half hour.