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Could you go through the derivation of the Doppler effect for a source moving towards an observer?

(need a diagram showing situation). You know that the frequency emitted by the source is given by the velocity of the emitted source divided by the wavelength (f_s = v / wavelength). It is also known that fr...
MP
Answered by Martina P. • Physics tutor
2036 Views

What explanations can be offered by sociologists for an individuals identity may be shaped by their ethnicity?

We can explore this through 3 key lenses: functionalist, Marxist, and post-modernist, all of which are equally important and provide particularly compelling explanations for ethnicity, and how it impacts an ...
PE
2612 Views

“Natural law is the best approach to contraception” Discuss (30 marks)

The teachings of the Roman Catholic church are opposed to artificial contraception. In 1969, in Humanae Vitae, Pope Paul VI reaffirmed the traditional Natural Law stance of the church. He argued that the use...
NM
8119 Views

What is the gradient of the function y=x^3 at the point x=1?

3
KS
Answered by Kiran S. • Maths tutor
11086 Views

Are extra-curricular activities important to write about on your personal statement?

in a personal statement, t's really difficult to make sure you sell yourself without seeing too cocky, and to make sure you include enough academic reading that the university will see you as a serious candi...
LL
2376 Views