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I have trouble visualizing simple harmonic motion, and remembering all the related equations. How should I think about it?

The key is to realize that displacement, velocity and acceleration all vary sinusoidally, with the graph of each being displaced relative to the preceding one by 90 degrees; thinking about these three graphs...
GC
Answered by Gianluca C. • Physics tutor
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Students placed some grass cuttings in a vacuum flask and attached a carbon dioxide sensor. Why would the carbon dioxide levels increase over a period of 20 days?

The decomposing microorganisms that contribute to the decay of the grass must respire and respiration leads to the production and release of carbon dioxide.
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Answered by Georgia B. • Biology tutor
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How does the photoelectric effect provide evidence for a particulate nature of electromagnetic radiation?

The photoelectric effect is light incident on a metal’s surface causing the spontaneous emission of electrons. The classical wave theory of electromagnetic radiation predicted the kinetic energy of emitted e...
SA
Answered by Stefano A. • Physics tutor
13727 Views

Describe the similarities and differences between RNA and DNA

Similarities: both encode genetic information; both can bind nitrogenous bases adenine, guanine and cytosine; both are polar and have a 5' end and a 3' endDifferences: RNA binds uracil, whereas DNA binds thy...
CD
Answered by Conlan D. • Biology tutor
5109 Views

how to write an essay?

The most important thing to think about when writing an essay, is to make sure you understand the wording of the question, rephrase the question in a more simple term or break it down into parts, to ensure y...
LS
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