3 years ago

10

Physics

1 answer:

BaLLatris [955]3 years ago

5 0

Answer:

one could be magnet and another could be magnetic material

mark be brainliest

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Answer:

$F_n = -4 N$

Explanation:

Net external force that exerted on the block is given as

$F_{net} = (m_1 + m_2) a$

here we know that

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so we have

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now the force exerted by bigger block on smaller block is given as

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$F_n = (2 \times 2)$

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so here the force exerted by 2 kg block on 4 kg block will be

$F_n = -4 N$

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3 years ago

AYUDA :( Calcular el trabajo desarrollado por la fuerza de fricción, si la fuerza "F" desplaza al bloque de una distancia de 40m

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Answer:

sorry can you translate

Explanation:

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Mars is 1.52 times as far from the Sun as Earth is. Predict the time required for Mars to orbit the Sun in Earth days.

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Answer:

Mars is 1.52 times as far from the Sun as Earth is. Predict the time required for Mars to orbit the Sun in Earth days.

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What area of earth contains semi-solid rock and lava?

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Below the crust is the mantle, a dense, hot layer of semi-solid rock approximately 2,900 km thick. The mantle, which contains more iron, magnesium, and calcium than the crust, is hotter and denser because temperature and pressure inside the Earth increase with depth.

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