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An object's displacement, s metres, from a fixed point after t seconds is s=5t^3+t^2. Find expressions for the object's velocity and acceleration at time t seconds.

Differentiating gives the rate of change and velocity and acceleration are rates of change. Velocity is the rate of change of displacement compared to time and acceleration is the rate of change of velocity ...
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Answered by Seeitha S. • Maths tutor
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Explain what causes the Bohr shift to occur, and give one situation in which this is useful.

The Bohr Shift describes the movement of the oxygen dissociation curve to the right of normal. This occurs due to increased levels of carbon dioxide, such as when a person increases their exercise level, whi...
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Answered by Danielle P. • Biology tutor
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Interview question: what is your understanding of the life of a doctor?

Like with any other interview question, it is important to be realistic. Split the question in to two : the positives and the negatives. Here, the interviewers are looking to ensure that you have a sufficien...
ZC
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What effect does temperature have on enzyme action?

Enzymes are biological catalysts and speed up reactions happening inside organisms. An increase in temperature increases the rate of enzyme activity and therefore rate of reaction up to a certain point. In m...
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Answered by Alex G. • Biology tutor
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How should I structure an essay for English Literature?

Begin with an introduction establishing the question you are answering (including defining any of the terms that you will be focusing on) and what your main argument will be when addressing it. Think of this...
RM
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