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Amymal
@Amymal
May 2019
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Bsr, j'ai besoin d'aide pour l'exercice 1 svp.
Merci
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Verified answer
Bonjour,
1) pour 1m hors-eau, 8 m sous l'eau,
6m hors-eau = 6*8 = 48m sous l'eau
hauteur immergée = 48m
hauteur totale iceberg : 54m
2) SIP rectangle en I
⇒pythagore
SP² = SI²+IP²
= 728²+54²
SP = √532900 = 730m
3) cosiSp = iS/SP
= 728/730 = 0,997...
iSp = 4,439 soit 4,4°
2 votes
Thanks 2
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Verified answer
Bonjour,1) pour 1m hors-eau, 8 m sous l'eau,
6m hors-eau = 6*8 = 48m sous l'eau
hauteur immergée = 48m
hauteur totale iceberg : 54m
2) SIP rectangle en I
⇒pythagore
SP² = SI²+IP²
= 728²+54²
SP = √532900 = 730m
3) cosiSp = iS/SP
= 728/730 = 0,997...
iSp = 4,439 soit 4,4°