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How to survive my Oxbridge interview?

The main difference between Oxbridge and other universities is the unique tutorial system. These are weekly sessions between a tutor (who is usually an expert in their chosen field) and up to three students....
MR
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What happens in the process of eutrophication?

1. Fertilisers are washed into waterways by rain or irrigation. 2. The increased availability of nutrients causes aquatic plant life to grow rapidly. 3. An algal bloom occurs, obscuring light from the plants...
AA
Answered by Alexander A. Biology tutor
11724 Views

What is the difference between speed and velocity?

Speed and velocity may seem like identical measures but this is not the case. Speed is a scalar measurement meaning it only takes into account magnitude not direction, velocity is a vector quantity and there...
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Answered by Alexander A. Physics tutor
9496 Views

Differentiate a^x with respect to x

y=a^x take natural logs (also written as ln or log base e) of both sides lny=lna^x by logarithms rules lna^x=xlna lny=xlna Now differentiate implicitly 1/y = (dx/dy)lna Note here lna is just a constant, then...
JM
Answered by James M. Maths tutor
43058 Views

Resolving the forces for an object suspended on two strings.

Imagine a following situation: a stationary (not moving) object with a mass of 5 kg is suspended in the air by two strings. The angles between strings and the vertical directions are 15 and 55 degrees. What ...
FW
Answered by Filip W. Physics tutor
19870 Views