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Rzqust [24]
2 years ago
14

Tính năng suất của 1 băng tải biết: đường kính puly truyền động 250mm, vận chuyển vật liệu rời là hạt đậu nành, động cơ điện có

số vòng quay 20 vòng/phút( gắn với bộ truyền động) động cơ được nói với puly truyền động với tỷ số truyền là 1.5, giả sử lớp vật liệu được truyền tải đều trên băng tải với chiều dài băng tải 20m, rộng 1m lớp vật liệu dày 30mm
Physics
1 answer:
vredina [299]2 years ago
6 0

Answer:

no idea dude, go to the vietnamese server

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Give the correct balanced equation for the single replacement reaction of magnesium with aluminum oxide
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Answer:

Al2O3 + 3Mg ===》 3MgO + 2Al

Explanation:

Reaction of aluminium oxide with magnesium metal would form magnesium oxide and aluminium metal.

Balancing the stoichiometric equation, the number of atoms at the reactant must be equal to the number of atoms at the product so that law of conservation of matter must hold.

Al203 + 3Mg ====》 3MgO + 2Al

2 aluminium at reactant = 2 aluminium at product

3 oxygen at reactant = 3 oxygen at product

3 magnesium at reactant = 3 magnesium at product.

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As part of an interview for a summer job with the Coast Guard, you are asked to help determine the search area for two sunken sh
MrMuchimi

Answer:37^{\circ} North of west

Explanation:

Given

40,000-ton luxury line traveling 20 knots towards west and

60,000 ton freighter traveling towards North with 10 knots

suppose v is the common velocity after collision

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20\times 40,000=(20,000+60,000)v\cos \theta

suppose the final velocity makes \theta angle with x axis

v\cos \theta =10----1

Conserving Momentum in North direction

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\tan \theta =\frac{3}{4}

\theta =37^{\circ}

so search in the area 37^{\circ} North of west to find the ship

3 0
3 years ago
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