Odpowiedź:
V = Pp*h = 0,5*5*3 *9 = 67,5 j³
==========================
x² = 5² + 3² = 25 + 9 = 34
x = [tex]\sqrt{34}[/tex]
Pc = 2 Pp + Pb = 2*0,5*5*3 + ( 5 + 3 + [tex]\sqrt{34}[/tex] )*9 = 15 + 72 + 9[tex]\sqrt{34} =[/tex]
= ( 87 + 9 [tex]\sqrt{34}[/tex] ) j²
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Odpowiedź:
V = Pp*h = 0,5*5*3 *9 = 67,5 j³
==========================
x² = 5² + 3² = 25 + 9 = 34
x = [tex]\sqrt{34}[/tex]
Pc = 2 Pp + Pb = 2*0,5*5*3 + ( 5 + 3 + [tex]\sqrt{34}[/tex] )*9 = 15 + 72 + 9[tex]\sqrt{34} =[/tex]
= ( 87 + 9 [tex]\sqrt{34}[/tex] ) j²
=================
Szczegółowe wyjaśnienie: