3 years ago

6.03 Discussion: Then & Now - Safety

1 answer:

34kurt3 years ago

6 0

Answer:

Information technology is important in our lives because it helps to deal with every day's dynamic things. Technology offers various tools to boost development and to exchange information. Both these things are the objective of IT to make tasks easier and to solve many problems.

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The forming section of a plastics plant puts out a continuous sheet of plastic that is 1.2 m wide and 2 mm thick at a rate of 15

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attached below

Explanation:

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a vertical cylindrical container is being cooled in ambient air at 25 °C with no air circulation. if the initial temperature of

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the surface heat-transfer coefficient due to natural convection during the initial cooling period. = 4.93 w/m²k

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check attachement for answer explanation

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How is a disc brake system different from a drum brake system? Short answer

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Disc brake system use a slim rotor and small caliper to halt wheel movement but a drum brake system allow heat to build up inside the drum during heavy braking .

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a buyer can purchase 70 screwdrivers ten 4-inch length twelve 6 inch length twenty 8-inch length are needed. how many heavy 24-i

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28 , 24-inch screwdrivers

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So, heavy 24-inch screwdrivers = 28

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3 years ago

Let S = { p q |p, q are prime numbers greater than 0} and E = {0, −2, 2, −4, 4, −6, 6, · · · } be the set of even integers. . Pr

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prove that | S | = | E | ; every element of S there is an Image on E , while not every element on E has an image on S

Explanation:

Given that S = { p q |p, q are prime numbers greater than 0}

E = {0, −2, 2, −4, 4, −6, 6, · · · }

To prove by constructing a bijection from S to E

detailed solution attached below

After the bijection :

<em>prove that | S | = | E |</em> : every element of S there is an Image on E , while not every element on E has an image on S

∴ we can say sets E and S are infinite sets

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