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2 years ago

On what kind of sectional drawing would you find the maximum length of a building?

Engineering

1 answer:

Genrish500 [490]2 years ago

5 0

Answer:

A longitudinal section

Explanation:

A longitudinal section is a section drawn along the length of an object, as opposed to a cross section, which is drawn across the width or diameter of an object.

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1.0•10^-10 standard form

Drupady [299]

Answer:

$1.0 * 10^{-10} = 0.0000000001$

Explanation:

Given

$1.0 * 10^{-10}$

Required

Convert to standard form

$1.0 * 10^{-10}$

From laws of indices

$a^{-x} = \frac{1}{a^x}$

So, $1.0 * 10^{-10}$ is equivalent to

$1.0 * 10^{-10} = 1.0 * \frac{1}{10^{10}}$

$1.0 * 10^{-10} = 1.0 * \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}* \frac{1}{10}$

$1.0 * 10^{-10} = 1.0 * \frac{1}{10000000000}$

$1.0 * 10^{-10} = 1.0 * 0.0000000001$

$1.0 * 10^{-10} = 0.0000000001$

Hence, the standard form of $1.0 * 10^{-10}$ is $0.0000000001$

3 0

3 years ago

When shutting down your computer yesterday, you received a notice that you had a pending update, so you allowed the computer to

aivan3 [116]

Answer:

a. SATA cable

Explanation:

A troubleshooting process could be as follows:

The Power supply is working since it is possible to receive the error message.
With no OS available is not possible to 'roll back the Windows update'.

Then, two alternatives remain:

SATA cable.
Hard drive.

In the reliability configuration of the components, the hard drive depends on the SATA cable to work properly. A faulty SATA cable would prevent the hard drive to work correctly. Then, a loosely SATA cable is the first thing to check before proceeding with the hard disk.

Additionally, a loosely SATA cable is also a common source of error messages like "OS not found" and it would be easier step to be discarded before continuing with a more demanding one like checking the hard drive.

6 0

3 years ago

The following statements are about the laminar boundary layer over a flat plate. For each statement, answer whether the statemen

Nikolay [14]

Answer:

1. B. False

2. B. False

3. A. True

4. B. False

5. A. True

6. A. True

7. A. True

Explanation:

1. B. False

The relation of Reynolds' number, Reₓ to boundary layer thickness δ at a point x is given by the relation

$\delta = \dfrac{x \times C}{\sqrt{Re_x} }$

That is the boundary layer thickness is inversely proportional to the square root of the Reynolds' number so that if the Reynolds' number were to increase, the boundary layer thickness would decrease

Therefore, the correct option is B. False

2. B. False

From the relation

$Re_x = \dfrac{U_o \times x}{v}$

As the outer flow velocity increases, the boundary layer thickness diminishes

3. A. True

As the viscous force is increased the boundary layer thickness increases

4. B. False

Boundary layer thickness is inversely proportional to velocity

5. A. True

The boundary layer model developed by Ludwig Prandtl is a special case of the Navier-Stokes equation

6. A. True

Given a definite boundary layer thickness, the curve representing the boundary layer thickness is a streamline

7. A. True

The boundary layer approximation by Prandtl Euler bridges the gap between the Euler (slip boundary conditions) and Navier-Stokes (no slip boundary conditions) equations.

6 0

3 years ago

In alternating current, how often does the current alternate between negatively and postively?

Serggg [28]

In an alternating current (AC) circuit the two poles alternate between negative and positive and the direction of the current (electron flow) reverses periodically.

4 0

3 years ago

Read 2 more answers

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Oliga [24]

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7 0

3 years ago