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Explain why a jet fighter pilot experiences "weightlessness" when at the top of a loop-the-loop manoeuvre.

The the pilot will experience two forces acting upon him in opposing directions: gravity and centripetal force. The centripetal force will act outwards from the jet's circular path i.e. towards space; gra...

IF
Answered by Isaac F. Physics tutor
3913 Views

find dy/dx when y=x^3 + sin2x

so this question is asking you to differentiate x3 + sin2xwe know that xn differentiates do nxn-1, so using that x3 will differentiate to 3x2we know ...

Answered by Maths tutor
4101 Views

Discuss lines 90-136 from Act 1 Scene 3 of ‘Hamlet’. Explore Shakespeare’s use of language and it’s dramatic effects.

In Act 1, Scene 3 of ‘Hamlet’, Polonius is warning Ophelia to distance herself from Hamlet, to avoid risking the family’s honourby losing her chastity. Shakespeare uses blank verse to ennoblehis Polonius ...

DF
Answered by Deepali F. English tutor
16479 Views

Explain why compounds of Fe^2+ are coloured in solution. (4 marks)

Fe2+ has an electron configuration of 1s22s22p63s23p63d6. When the ligands of the solution bind to the metal ion the d-orbitals...

BG
Answered by Ben G. Chemistry tutor
3504 Views

In terms of the photoelectric effect, what is the work function of a material?

It is the work done (or energy) required to remove an electron from its surface. This information is used a lot in Einstein's Nobel prize winning Photoelectric effect experiment and theory.

Answered by Physics tutor
1747 Views

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