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To answer this question, all you have to know is that the amount of material as a function of time, M(t), is related to the decay constant, λ, by the equation
M(t) = M0exp(-tλ)...
Advantages of using a postal questionnaire include the fact that it is not as time consuming as an interview. Questionnaires can be designed to be quick and easy for the respondant to complete. It can ...
the information on main newspapers and websites showed that Hillary would win the election. it seems like the final result was out of all people's expection. but actually the win of Donald Trum...
Functionalists view the family and its contribution to society as positive, whereas Marxits see it as a negative institution.
Functionalists see the nuclear family as essential for socia...
The word 'flux' can be used in many different contexts, but in general it refers to the amount of 'stuff' passing through a unit area of space per unit time. In the case of light sources, we can measur...
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