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A Level

How do you incorporate critical views to make a high-level (A/A*) response?

Read around the subject leading up to the exam, you should try to find critical essays about the texts/ authors/ context of the possible questionsHighlight short critical quotes that are versatile to many...

EK
Answered by Emily K. English tutor
2055 Views

Given that 3^(-3/2) = a* 3^(1/2), find the exact value of a.

3^(3/2) = a * 3^(1/2)
3^(1/2) * 3^(-2) = 3^(3/2)Therefore a must be equal to 3^(-2)a = 1/9

OW
Answered by Oliver W. Maths tutor
4044 Views

A curve with equation y = f(x) passes through the point (4,25). Given that f'(x) = (3/8)*x^2 - 10x^(-1/2) + 1, find f(x).

f'(x) = (3/8)x^2 - 10x^(-1/2) + 1Each term must be integrated (increase the power by 1 and divide by the new power), remembering to include + c.f(x) = (3/8)(x/3)^3 - 10*(2x)^(1/2) + x + cf(x) = (...

OW
Answered by Oliver W. Maths tutor
8554 Views

How is an Action Potential transmitted across a synapse?

-An action potential arrives at the presynaptic membrane-Ca2+ ion channels open-Ca2+ ions diffues into presynaptic knob-Acetylcholine/ neurotransmitter in vesicles-Vesicles move towa...

DW
Answered by Darcie W. Biology tutor
2765 Views

A) Draw field lines around a positive point particle. B) How does a faraday cage prevent the people within it recieving a electric shock ?

A) symmetrical straight lines coming out of the particle, with arrows pointing away from the particle. A useful tool in answering these questions is to imagine what would happen if you placed a second pos...

TH
Answered by Thomas H. Physics tutor
1764 Views

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