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A 70Kg person jumps out of a plane and deploys a parachute, once the parachute is open the wind resistance acting on the person and the parachute is 900N. What is the direction and magnitude of the persons acceleration.

We start off by working out all the forces acting on the person and they're parachute, because they are joined together they can be considered as one object. We know the wind resistance and the only other fo...
JC
Answered by Joe C. • Physics tutor
12428 Views

Represent the denary number 5.625 as an unsigned binary fixed point number with three bits before and five bits after the binary point.

The questions asks us to use 3 bits before the point and 5 points after. When answering these kinds of questions we can keep the decimal point in our answer, so let's start with this: 000.00000 With these qu...
BW
Answered by Brendon W. • Computing tutor
9544 Views

how do i approach more complex algebra questions?

With algebra there are 2 rules to abide to which will always see you through! Always do the same to both sides. Always do the opposite. In order to come to the correct answer you need to work backwards to is...
JD
Answered by Joanna D. • Maths tutor
3030 Views

How do i tell if a substance has been Oxidised or Reduced?

We know from GCSE that Gaining of electrons is reduction; and Loss of electrons is oxidation. This can be remembered by the pneumonic: 'OIL RIG' :Oxidation Is Loss Reduction Is Gain. At A-level it can be con...
DK
Answered by Dominic K. • Chemistry tutor
10848 Views

To what extent is Frankenstein by Mary Shelley a condemnation of transgression?

Frankenstein was written during the popularisation of Renaissance Humanism: a social movement in Europe that celebrated the power of man and moved away from religious beliefs. Shelley uses the character Vict...
RW
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