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lora16 [44]
3 years ago
13

A hydraulic lift system utilizes two 3 in. diameter cylinders. Workers must determine how much the system is capable of lifting

before deciding how much weight can be lifted safely. The system runs at a gauge pressure of 2000 lb/in^2.
Physics
1 answer:
Lelu [443]3 years ago
6 0
The weight that will be lifted will be distributed into the two cylinders. First, we must calculate the force that one cylinder is able to bear, which is calculated using:
Pressure = Force / Area
Force = Pressure * Area
Force = 2000 * π * (3/2)²
Force = 14,137.2 Lbs

Combined weight bearable by the two cylinders:
2 * 14,137.2
= 28,000 lbs
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Answer:

it will explode

Explanation:

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5 0
3 years ago
Consider a one-dimensional crystal (similar to a carbon nanowire) with length 10 um and lattice spacing 0.1 nm.
Finger [1]

Answer:

a)  Fermi level = 600 electron-volts

b) \frac{2.04 * 10^{13} }{\sqrt{E} }

Explanation:

Given data:

length of one-dimensional crystal = 10 um

Lattice spacing = 0.1 nm

A) Determine the Fermi level assuming one electron per atom

Total length = 10 <em>u</em>m

Interatomic separation of a = 0.1 nm

in this case the Atom has one electron therefore the number of electrons = 10^5  and the number of states Ns = gsN = 2 * 10^5  ( attached below is some part of the solution )

hence : Fermi level = 600 electron-volts

B) Determine the density of states as a function of electron energy

attached below is the detailed solution

5 0
4 years ago
The time period T of a simple pendulum is given by the relation
Vanyuwa [196]

Answer:

T^2 \propto L

Explanation:

The period of a simple pendulum is given by:

T=2\pi \sqrt{\frac{L}{g}}

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From this equation we can write

T\propto \sqrt{L}\\T\propto \frac{1}{\sqrt{g}}

Taking the square of this equation, we get:

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So we see that T^2 is proportional to L and inversely proportional to g. So, we can write:

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So the only correct option is

T^2 \propto L

5 0
4 years ago
Read 2 more answers
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tangare [24]

Answer:

false

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5 0
3 years ago
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A wire that has a resistance of 1Ω is to be built from an aluminum block of volume 1 cm3
alina1380 [7]

Answer:

  L = 5,955 m

Explanation:

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As it indicates to us in volume of aluminum to use we divide the two terms by the length

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the volume of a body is its area times its length, therefore

  R / L = ρ L / V

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we clear the length of the wire

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we reduce the volume to SI units

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let's calculate

   L = √ (1  1  10⁻⁶ / 2.82 10⁻⁸)

   L = √ (0.3546 10²)

   L = 5,955 m

5 0
3 years ago
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