2 years ago

In the engineering design process, testing is the least important step. True False

Engineering

2 answers:

Wittaler [7]2 years ago

7 0

Answer:

false

Explanation:

Romashka-Z-Leto [24]2 years ago

4 0

i think the answer is false

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iren [92.7K]

Answer:

Explanation:

A quotient is the answer to a division.For example,the quotient of 10 is 2 and 5 because 5÷10=2.

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3 years ago

Which of these is a scientific question

Paraphin [41]

The answer is B: How long does it take for bread dough to ferment

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2 years ago

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A particle moves along a circular path of radius 300 mm. If its angular velocity is θ = (2t) rad/s, where t is in seconds, deter

uysha [10]

Answer:

4.83m/ $s^{2}$

Explanation:

For a particle moving in a circular path the resultant acceleration at any point is the vector sum of radial and the tangential acceleration

Radial acceleration is given by $a_{radial}=w^{2}$ r

Applying values we get $a_{radial}=(2t)^{2}$ X0.3m

Thus $a_{radial}=1.2t^{2}$

At time = 2seconds $a_{radial}= 4.8m/s^{2}$

The tangential acceleration is given by $a_{tangential} =\frac{dV}{dt}=\frac{d(wr)}{dt}$

$a_{tangential}=\frac{d(2tr)}{dt}$

$a_{tangential}= 2r$

$a_{tangential}=0.6m/s^{2}$

Thus the resultant acceleration is given by

$a_{res} =\sqrt{a_{rad}^{2}+a_{tangential}^{2}}$

$a_{res} =\sqrt{4.8^{2}+0.6^{2} } =4.83m/s^{2}$

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3 years ago

9 Select the correct answer. Conservation agents object to legal hunting. OA True B. False

m_a_m_a [10]

Answer:

its true

Explanation:

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3 years ago

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Compute the volume percent of graphite, VGr, in a 3.9 wt% C cast iron, assuming that all the carbon exists as the graphite phase

kicyunya [14]

Answer:

Vgr = 0.122 = 12.2 vol %

Explanation:

Density of ferrite = 7.9 g/cm^3

Density of graphite = 2.3 g/cm^3

<u>compute the volume percent of graphite </u>

for a 3.9 wt% cast Iron

W∝ = (100 - 3.9) / ( 100 -0 ) = 0.961

Wgr = ( 3.9 - 0 ) / ( 100 - 0 ) = 0.039

Next convert the weight fraction to volume fraction using the equation attached below

Vgr = 0.122 = 12.2 vol %

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2 years ago