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How do you rearrange equations at Physics GCSE ?

Take the equation W=Fs . We want to make one thing the subject of the equation by clearing away all the stuff we don’t want on that side of the equation. Say we want to find s . To do this draw a line under ...
Answered by • Physics tutor
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Can you explain the importance of the refractory period within the axon?

The refractory period means that another action potential cannot be generated.This is important as it allows the action potential to not propagate back but reset via the sodium-potassium pump, to restore res...
EL
Answered by Eve L. • Biology tutor
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Differentiate the equation 3x^4+6x^2-7x+2

To differentiate, multiply the power by the coefficient and then take one off the power so the answer is 12x 3 + 12x - 7
AS
Answered by Aimee S. • Maths tutor
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Write an equation for a line parallel to 2y = 4x - 10

Divide the equation by two to get y = 2x - 5This shows that the gradient of the line is 2. Any other equation with the gradient equal to 2 (the x coefficient) when the y coefficient is 1.e.g. y = 2x +12 or y...
AS
Answered by Aimee S. • Maths tutor
4217 Views

Show that the recurring decimal 0.0151515..=1/66 (4H)

0.0151515..=x15.151515..=1000x999x=15.1x=15.1/999=1/66
JH
Answered by Josh H. • Maths tutor
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