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2+2 is 4, minus 1, that's what?

  1. Quick maths.
JF
Answered by Joe F. Maths tutor
4664 Views

What is the total energy of a spaceship of mass m, orbiting a planet of mass M in a circular orbit with radius r? The ship and the planet are taken to be an isolated system.

 In the non-inertial frame of reference of the spaceship, a centrifugal and a gravitational force acts on the spaceship. If its mass is m and the positive direction is radially outwards, we have:

F...

ID
Answered by Ivan D. Physics tutor
2987 Views

What is the difference between civil and criminal law?

The main difference between them is: the criminal law deals with wrongs committed against the state, whereas civil law deals with disputes between private individuals (or companies etc). This affects the ...

ND
Answered by Nathan D. Law tutor
5652 Views

What is the behavioural treatment for phobias?

The behavioural treatment for phobias consists of two forms of therapy, which both aim to break the link between the phobia and the feared resonse. The first type is flooding; this is a quick and intense ...

RI
3336 Views

Typically, texts about husbands and wives present marriage from a male point of view.’

Come, come, you froward and unable worms, My mind hath been as big as one of yours, My heart as great, my reason haply more, To bandy word for word and frown for frown. But now I see our lances are but st...

BG
4904 Views

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