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A body with speed v is projected from the surface of the earth(mass M & radius R). Find the maximum distance from the earth that this body reaches before returning back to earth, as a function of the initial speed v, M, R and the gravitational constant G

This question tests the students' understanding on conservation of energy, gravitational potential and algebraic manipulation.The first step is identifying that the principle to use is the conservation of en...
CV
2201 Views

Solve the inequality (9x+5)/12 > (4x+1)/3

(9x+5)/12 > (4x+1)/3**** Multiply up the denominator terms 3 (9x+5) > 12 (4x+1) * As 3 is a factor of 12, divide both sides by 3 9x+5 > 4 (4x +1) * Multiply out RHS 9x +5 > 16x + 4 * Gather like ...
FM
Answered by Frances M. • Maths tutor
4102 Views

When should the animate accusative case be used in Russian?

When declining an object to a verb which usually takes the accusative but the object is alive (eg. human/animal). If this object is feminine, the animate accusative is simply the accusative.
ZH
Answered by Zakary H. • Russian tutor
1663 Views

Translate the following sentence using 的 as an attributive: This is the book my mum bought from London yesterday.

这是我母亲昨天从伦敦买来的那本书.
ZH
Answered by Zakary H. • Mandarin tutor
2888 Views

How are you able to revise such a broad subject?

By starting from an early age, a subject like sociology should revolve around understanding and not method. By understanding the many links and opinions of sociologists, it will allow you as a student furthe...
MS
Answered by Mashal S. • Sociology tutor
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