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mixas84 [53]
3 years ago
5

A ball is rolled down an inclined plane at different angles.If the angle between the inclined plane and the ground increases wha

t is true about the speed of the ball?

Social Studies
1 answer:
alexandr402 [8]3 years ago
7 0

The inclined plane is studied by mechanics and, to calculate it, we use Newton's Second Law.

Is a block of mass “m” supported by an inclined ramp at an angle? with respect to the horizontal plane. Despise the friction.

Forces acting on the body are:  image 1

P: Force weight = P = m.g

Where: g = 9,8 m / s2

m = body mass given in kg.

FN: Normal reaction force to the plane.

When we neglect friction we notice that the body moves downwards. image 2

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The correct answer to this open question is the following.

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The group that was part of the rising middle class of the Sung period was Shopkeepers.

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The Emperor of China was at the very top of the pyramid. He was the most powerful man in the empire and the absolute ruler of the lands.

In the second place were the families who owned big portions of land or better known as the gentry. Then, the peasants. They were the ones that farmed the agriculture fields and worked for the landowners.

The merchants were at the bottom of the pyramid. They were able to earn some good money in trade transactions but an old belief system of the time said that the merchants took advantage of other people's work and made a profit selling the products.

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