Volume GCSE A* Math Help - 10 POINTS
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Volume GCSE A* Math Help - 10 POINTS

[From: ] [author: ] [Date: 12-04-19] [Hit: ]
The tap fills at the rate of 1 litre per second.Find how long it takes to fill the barrel.Give your answer to the nearest minute.= 603186 cubic cm = 603.At 1 litre per second the barrel will take 603.186 seconds to fill,......
Holly has an empty metal barrel.

The barrel is in the shape of a cylinder.
The height of the barrel is 1.2m.
The diametre of the base of the barrel is 80cm.

Holly fills the barrel with water from a tap.
The tap fills at the rate of 1 litre per second.

Find how long it takes to fill the barrel.
Give your answer to the nearest minute.

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Volume = pi x r^2 x height

= pi x 40^2 x 120

= 603186 cubic cm = 603.186 litres

At 1 litre per second the barrel will take 603.186 seconds to fill, which equates to approx 10 minutes
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