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3 years ago

How do u walk dogs and they have to park in the car

Engineering

1 answer:

alexandr1967 [171]3 years ago

6 0

Answer: walk dog on leash for one and two you csnt park in a car you park the car and walk the dog on a leash

Explanation: did you phrase the question wrong?

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Based on the concept that it is better to prevent falls happening in the first place, which of the following safety methods meet

alekssr [168]

Answer:fall arrest harness

Explanation:cuz it’s just right

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3 years ago

Question 8 of 10

Varvara68 [4.7K]

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3 years ago

Nitrogen (N2) contained in a piston–cylinder arrangement, initially at 10 bar and 405 K, undergoes an expansion to a final tempe

yKpoI14uk [10]

Answer:28.21 kJ/kg

Explanation:

Given

$P_1=10\ bar$

$T_1=405\ K$

$T_2=300\ K$

Process $PV^{1.3}=constant$

Work done for Polytropic process

$W=\dfrac{P_1V_1-P_2V_2}{n-1}$

where n=Polytropic index

$W=\dfrac{R(T_1-T_2)}{n-1}$

$W=\dfrac{0.296(405-300)}{1.3-1}\quad [R_{N_2}=\frac{8.314}{28}]$

$W=103.6\ kJ\kg$

Now Calculating change in Internal energy

$\Delta U=c_v(T_2-T_1)$

$\Delta U=0.718\times (300-405)$

$\Delta U=-75.39\ kJ/kg$

Now applying First law concept

$\Delta U=Q-W$

$Q=W+\Delta U$

$Q=103.6-75.392$

$Q=28.21\ kJ/kg$

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4 years ago

Most of our knowledge about Earth's interior comes from ________.

olchik [2.2K]

Most of our knowledge about Earth's interior comes from Seismic waves. Thus, option C is correct.

<h3>What is seismic waves</h3>

Seismic waves are created by abrupt movement of elements within the Earth, including fault rupture during an earthquake. Seismic waves can be caused by volcanic eruptions, blasts, landslides, rock slides, and even flowing rivers.

Seismic waves, also known as compressional or longitudinal waves, push and pull the earth in the direction of motion. Seismic waves provide the majority of our information about the Earth's innards. As a result, option C is correct.

Learn more about Seismic waves here:

brainly.com/question/13056218

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2 years ago

When pushing a board through the table saw with a push stick, where on the end of the

Nikitich [7]

Answer:

Explanation:

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3 years ago