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A particle A rests on a smooth inclined plane, it is connected to a particle B by a light inextensible string that is passed over a fixed smooth pulley at the top of the plane. B hangs freely. Find the acceleration of the system and tension in the string.

Full Question: A particle A of mass 2.5kg is at rest on a smooth inclined plane at an angle of 25 degrees, it is connected to a particle B of mass 1.5kg by a light inextensible string which lies along a line...
KW
Answered by Kyle W. • Maths tutor
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What is the past historic and should I know how to use it?

The past historic (also called the passé simple) is one of the French past tenses, along with the perfect and imperfect. It replaces the perfect (passé composé) in literary texts and is therefore mainly used...
AS
Answered by Anna S. • French tutor
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Edexcel C3 June 2015 Q1: tan(x)=p, where p is a constant. Using standard trigonometric identities, find the following in terms of p. a) tan(2x). b) cos(x). c) cot(x-45).

a) tan(A+B)=(tanA+tanB)/(1-tanAtanB) So, tan(2x)=[tan(x)+tan(x)]/[1-(tanx)(tanx)]. Therefore, tan(2x)=[2tan(x)]/[1-tan^2(x)] = 2p/(1-p^2). b) cos(x)=1/sec(x). Using other trigonometric identities, we know th...
LR
Answered by Liam R. • Maths tutor
16610 Views

How is Lady Macbeth presented in Shakespeare's Macbeth?

Whilst Shakespeare's 'Macbeth' may indicate that it is Macbeth himself that is the central protagonist, Lady Macbeth is instead the one who captures the audience's attention. This is because Lady Macbeth def...
TA
Answered by Tania A. • English tutor
5525 Views

How do I know which interrogative adjective to use?

To know which interrogative adjective to use, you need to figure out what is being talked about. This is because we've got 4 different words. In essence, all of these words mean 'which'. Which shoes? Which f...
AJ
Answered by Alice J. • French tutor
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