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vesna_86 [32]
3 years ago
8

Um ladrão tenta fugir sozinho carregando em suas mãos uma mala cheia de barras de ouro. A densidade do ouro é igual a 20 g/cm³,

g=10m/s² e o volume ocupado pelas barras de ouro é igual a 48×10^-3 m³ (48 litros).
e CORRETo afirmar que a massa a ser carregada pelo ladra é de:
A) 24kg e ele conseguira carregar sozinho
B) 96 kg e ele nao conseguira carregar sozinho
C) 9,6 KG e ele conseguira carregar sozinho essa mala
D) 48 kg e ele conseguira carregar sozinho essa mala
E) 960kg e ele nao conseguira carregar sozinho essa mala
Physics
1 answer:
Roman55 [17]3 years ago
4 0
I believe the answer to your question is A
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Before going to answer this question first we have to know the fundamental principle of magnetism.

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Through this concept the question can be answered  as explained below-

A-As per first option the side of  magnet A is repelled by the south pole  of magnet B. Hence the pole of a must be south .It can't be north as it will lead to attraction.

B-The side of magnet A is repelled by the  north pole of magnet B. Hence the side of A must be  north pole.It can't be a south pole.

C-The side of magnet A is attracted by the south pole  of magnet  B .Hence the side of magnet A must be north.Hence this is right

D-The side of magnet A is attracted by the north pole of magnet B. Hence the side of A must south.It can't be north as it will lead to repulsion.

Hence the option C is right.

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