3 years ago

Noooo plssschvwekjshdjkshdjkshdjksahdk

Engineering

2 answers:

Furkat [3]3 years ago

7 0

Answer:

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Explanation:

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sashaice [31]3 years ago

4 0

Huh? Kffjkdkdodjenxkrkdkre

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The tool that can be used to depict main causes for an identified quality problem, subdivided into categories represented as mac

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The compressor in a refrigerator compresses saturated R-134a vapor at 0°F to 200 psia. Calculate the work required by this compr

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Answer:

The work required is W = 20.2 BTU per lbm

Explanation:

The value of entropy & enthalpy at initial conditions are

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3 years ago

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4 years ago

A ____________ is a term that originally was referring to a way to reproduce a technical drawing documenting an architectural or

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2 years ago

A hollow, spherical shell with mass 2.00kg rolls without slipping down a slope angled at 38.0?.

mezya [45]

Answer:

$\mu = 0.31$

Explanation:

Given data:

mass = 2.00 kg

slope angle = 38.0

From figure

balancing force

$mgsin\theta - f = ma$ .....1

Balancing torque

$F_R = \frac{2}{3} mR^2 \alpha$ ......2

for pure rolling

$\alpha = \frac{a}{R}$

$F = \frac{2}{3} ma$

from 1 and 2nd equation

$mgsin\theta - \frac{2}{3}ma = ma$

$mgsin\theta = \frac{5}{3} ma$

$a = \frac{3}{5} g sin\theta$

$= \frac{3\theta 9.8 sin 38}{5} = 3.62 m/s^2$

$F =\mu N$

$= \frac{2}{3} ma$

$= \frac{2}{3} 2\times 3.62 = 4.83 N$

N =normal force $= mgsin\theta = 2 \times 9.8 sin 38 = 15.44 N$

$\mu \times 15.44 = 4.83$

solving for coefficent of friction we get

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3 years ago