A capsule-shaped horizontal fuel tank
A capsule-shaped horizontal fuel tank
Secondary 2
8 marks
TGM Original Questions
Core stretch
A horizontal tank consists of a cylinder of radius 0.5 m and length 2 m with a hemisphere at each end. Use \(\pi=3.142\).
- Find exterior area.[2]
- Painting costs $0.80 per square metre; find cost.[2]
- Find capacity.[2]
- Find the horizontal fuel-surface area when exactly half full.[2]
Solution:
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Answer:(a) \(9.426\text{ m}^2\) (b) \(\$7.54\) (c) \(2.095\text{ m}^3\) (d) \(2.786\text{ m}^2\).
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