Top answers


How do I find the integral ∫(ln(x))^2dx ?

This problem is all about using integration by parts, so let's start by quoting the formula for integration by parts: ∫u*(dv/dx)dx = uv - ∫v*(du/dx)dx To get the integral we want on the left hand side we can...
SC
Answered by Samuel C. Maths tutor
12389 Views

What is the force on a moving charged particle in a magnetic field, and why is no work done by this force when it accelerates the particle?

A particle with electric charge q , mass m and velocity v in a constant magnetic field B experiences a force due to the field: F = q v X B The ' X ' ( cross-product ) means that the force is always at 90° ( ...
RP
Answered by Rich P. Physics tutor
13472 Views

What is Pythagoras's theorem?

For any right-angled triangle, the square of the hypotenuse (the side opposite the right angle) is the sum of the square of the remaining two sides.
BM
Answered by Bhavika M. Maths tutor
5106 Views

How can I help you get in to medical school?

I recently got in to medical school and I know how hard it is. Taking Bristol med school, for example, there were around 4,500 applicants but only 220-or-so places; it is intensely competitive. I did not go ...
PQ
3733 Views

Where did mitochondria come from?

Mitochondria are a fascinating organelle, which we, as humans, rely on for so much. They are where the electron transport chain occurs, where ADP is converted to ATP with the high-energy bond we utilise ever...
PQ
Answered by Patrick Q. Biology tutor
5533 Views