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makvit [3.9K]
3 years ago
8

Gli iceberg nel Nord Atlantico rappresentano un rischio per la navigazione, costringendo ad allungare le rotte di navigazione di

circa il 30% durante la stagione della loro presenza. I tentativi per distruggere gli iceberg comprendono l’inserimento di esplosivi, bombardamenti, siluramenti, speronamenti, rivestimenti con fuliggine nera. Supponete che si sia provato a fondere direttamente l’iceberg, ponendo delle sorgenti calde nel ghiaccio.
Quanto calore è necessario per fondere il 10% di un iceberg da 200 000 tonnellate?
Scrivere il calcolo per esteso, non solo risultato numerico.
Physics
1 answer:
nikklg [1K]3 years ago
6 0

I DONT UNDERSTND IS ANOTHER LANGUAGR

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This link was diagram

Explanation:

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Although all sports require a person to be in shape to some degree, some
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A bicyclist travels 4.5 km west, then travels 6.7 km at an angle 27.0 degrees South of West. What is the magnitude of the bicycl
Dimas [21]

Answer:

<em>10.90km</em>

Explanation:

Magnitude of the total displacement is expressed using the equation

d = √dx²+dy²

dx is the horizontal component of the displacement

dy is the vertical component of the displacement

dy = -6.7sin27°

dy = -6.7(0.4539)

dy = -3.042

For the  horizontal component of the displacement

dx = -4.5 - 6.7cos27

dx = -4.5 -5.9697

dx = -10.4697

Get the magnitude of the bicyclist's total displacement

Recall that: d = √dx²+dy²

d = √(-3.042)²+(-10.4697)²

d = √9.2538+109.6146

d = √118.8684

<em>d = 10.90km</em>

<em>Hence the magnitude of the bicyclist's total displacement is 10.90km</em>

<em></em>

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Calculate the force it would take to accelerate a 50 kg bike at a rate of 3 m/s2.
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