Wyznacz wskazaną wielkość:
a) E=mc^2 ,,m''
b) P=e*f/2 ,,e''
c) V=a*b*c ,,b''
d) P=4TTR^2 ,,R''
e) Ob=2TTR ,,R''
Dam naj. za rozwiązanie. Pomocy!
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a)
E = mc² /:c²
m = E/c²
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b)
P = e*f/2 I*2
e*f = 2P /:f
e = 2P/f
-----------
c)
V = a*b*c /:ac
b = V/ac
-----------
d)
P = 4πR² /:4π
R² = P/4π
R = √(P/4π)
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e)
O = 2πR /:2π
R = O/2π
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Pozdrawiam :)