a level physics wave questions

eagle SG

haha... this is maths... surface area of a sphere...

unclebutcher SG

o

differentiate 4/3piR^3

=

4piR^2

THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

for ur help!!!!!!!!!!!!!!!!!!

next wk common test!!!!!!!!!!

grr!!!!!!!!!!!!!!!!!

eagle SG

ok me retire for the day from sgf le

menokki SG

why greater? Maybe because cosmic rays also fall on the dish?

eagle SG

answered above already...

unclebutcher SG

night! i also go sleep tmr got chinese tuition ^ ^

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