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Imagine you drilled a hole through earth on one of the main axes. What will the motion of a small mass be like that falls into this hole? (neglect friction and air resistance)

-Newton's law of gravity-Find mass as function of position-Find force as function of position-Use analogy to mass on spring to prove that this is simple harmonic motion-Calculate periodic time of oscillation...
AD
1742 Views

Find dy/dx if y=(x^3)(e^2x)

Use product rule. Set u=x^3 and v=e^2x. Differentiate u and v. Then dy/dx = uv'+vu' = (3x^2)*(e^(2x))+(2x^3)(e^(2x)). This problem is best explained written on a whiteboard (it's difficult to give an explana...
JM
Answered by Joseph M. • Maths tutor
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Outline the process of the primary immune response to a pathogen.

The pathogen is first phagocytosed or engulfed by a phagocyte (either macrophage or neutrophil). The phagocyte seals the pathogen in an internal phagosome into which the phagocyte releases lysozymes. These l...
TD
4050 Views

Explain the process of translation of proteins in a ribosome.

Translation is the process by which mRNA strands are converted into polypeptides that can be used within the cell or released from the cell in order to carry out specific functions. There are four stages to ...
SC
Answered by Sarah C. • Biology tutor
2484 Views

What is the moment about the pivot C

Uniform rod AB of weight 5g (g being 9.8) and length 4 metres rested on a pivot C which is 1.5m from B. Calculate the moments about the point C. sketch diagram of information provided weight is acting left o...
TZ
Answered by Talal Z. • Maths tutor
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