Water runs through a pipe which has a diameter of $42$ cm at a constant rate of $5$ m/s. Show th

Question

Water runs through a pipe which has a diameter of $42$ cm at a constant rate of $5$ m/s. Show that the volume of water that runs through the pipe in every second is $693\mathrm{ }000$ cm$^{3}$, correct to $3$ significant figures. If a rectangular diving pool measuring $20$ m by $4$ m by $8$ m is to be filled with water, find the time taken, in minutes, to fill two-thirds of the pool.

Accepted Answer

(i) $693\,000\text{ cm}^3$ (ii) $10.3$ minutes (to $3$ s.f.)

IP1U9 HOT Q4

IP1U9 HOT Q4

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