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Integrate lnx

This requires your knowledge of integration by parts. The trick here is that lnx can also be written as lnx*1 (as any term multiplied by 1 is itself). We set u=lnx and dv/dx equal to 1. Hence from this we ca...
AO
Answered by Anthony O. • Maths tutor
3886 Views

What is the minimum initial velocity necessary for an object to leave Earth?

The problem can be easily solved using energy formulas. The only force that acts on the departing object is the gravitational force, which is conservative. Therefore the total energy is conserved on the traj...
LS
Answered by Leontica S. • Physics tutor
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How would I structure the question "Discuss the extent to which liberals support equality"?

In questions that require discussion, it is important to start your answer by defining all key terms that appear in the question. In this case, I would focus on the terms 'liberalism' and 'equality'. On the ...
JP
Answered by Julia P. • Politics tutor
8601 Views

A charged particle in a cyclotron moves in a circle with radius 5mm. If the field in the cyclotron is 0.06 T and the velocity of the particle is 2.4x10^7, what is the charge-mass ratio of the particle?

Firstly, we should equate the centripetal force to the force on a moving charge using equations from our formula booklet: (force on a moving charge): F = Bqv(centripetal force): F = mv 2 /rmv 2 /r = Bqvwhen ...
PV
Answered by Preshayla V. • Physics tutor
2700 Views

How to write a live theatre evaluation

As a significant part of the written work for your drama A level, a live theatre evaluation is unique in style. It is easy to slip into writing a theatre review of what you have seen, but it is important to ...
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Answered by Emily B. • Drama tutor
11135 Views