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The radius of a hemisphere and the radius of a cylinder are equal. The hemisphere and cylinder have equal volume. Calculate the ratio of the height of the cylinder and the radius of the cylinder.

Let radius of cylinder be r. Let height of cylinder be h. We know that the volumes of the hemisphere and cylinder are equal:2(pi)r³/3 = h(pi)r².Multiplying both sides by 3 and dividi...

Answered by Oskar M. • Maths tutor

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How should you structure a question worth 8 marks?

8 marks can be achieved through two well-developed, equal paragraphs, each earning 4 marks.The first step is a direct answer: at the beginning of each paragraph the student should give a 'first-sentence a...

Answered by Marcus K. • History tutor

4793 Views

What is the density of a rock (mass 75g) submerged in water which displaced by a volume of 37.5cm^3? SI units

75g = 0.075kg/ 37.5cm³ = (37.5 divided by 100³) m³ = 3.7510^-5m³/ density = mass divided by volume/ 0.075 divided by 3.7510^-5 = 20...

Answered by Maximilian H. • Physics tutor

2110 Views

Plan an essay examining the role of Prospero in The Tempest.

IntroWho is Prospero? -> what's his story, relations with other characters, his natureWhat are the different ways we can interpret prospero // what are his roles? Para 1: Colonial Reading

Answered by • English Literature tutor

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How should we combat the rising problem of obesity in our society?

Firstly, acknowledge the scale of the issue and show that you understand why obesity is so concerning and especially how it affects society and the pressures a more obese population places on the NHS. The...

Answered by • Medical School Preparation tutor

1281 Views