3 years ago

Fill in the blank to correctly complete the statement below.

Engineering

1 answer:

frutty [35]3 years ago

4 0

Answer:

The invention of the pendulum-driven ___<u>clocks</u>___ in the 1600s paved the way for a new industrial era.

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The iron-blade plow allowed humans to increase food production during<br> what age?

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Answer:

The Iron Age

Explanation:

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2 years ago

A 11-cm-diameter horizontal jet of water with a velocity of 40 m/s relative to the ground strikes a flat plate that is moving in

Reika [66]

Answer:

F = 8552.7N

Explanation:

We need first our values, that are,

$V_{jet} = 40m/s\\V_{Plate} = 10m/s \\D = 11cm$

We start to calculate the relative velocity, that is,

$V_r = V_{jet}-V_{plate}\\V_r = (40)-(10)\\V_r = 30m/s$

With the relative velocity we can calculate the mass flow rate, given by,

$\dot{m}_r = \rho A V_r$

$\dot{m}_r = (1000)(30) \frac{\pi (0.11)^2}{4}$

$\dot{m}_r = 285.09kg/s$

We need to define the Force in the direction of the flow,

$\sum\vec{F} = \sum_{out} \beta\dot{m}\vec{V} - \sum_{in} \beta\dot{m} \vec{V}\\$

$F = \dot{m}V_r$

$F = (285.09Kg/s)(30)$

$F = 8552.7N$

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3 years ago

Quản trị học là gì ? ý nghĩa của quản trị học với thực tế xã hội

Dmitrij [34]

Answer:

I can't understand your language

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8. What are two ways SpaceX plans to change personal travel?

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Answer:

as all the people should go near stratosphere

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By adding "-once", one can form the noun form of the word "organize" is that true or false?

denpristay [2]

Answer:

<h2>False </h2>

Explanation:

The noun form of organize is just adding letter r

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2 years ago

Read 2 more answers