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____ [38]
3 years ago
10

Formula for deriving initial temperature in linear expansivity​

Physics
1 answer:
jekas [21]3 years ago
5 0

Answer:

∆L=aL∆T

Explanation:

that's the answer for your Question

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You run 100 meters in 50 seconds. Calculate your speed, label with m/s
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Answer:

2 m/s

Explanation:

speed = distance/time

s = 100/50 = 2

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An aurora occurs when _____.
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8 0
1 year ago
Which perspective is most directly involved with the study of how brain
daser333 [38]

Answer:

biopsychlogy

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6 0
3 years ago
A circus tightrope walker weighing 800 N is standing in the middle of a 15 meter long cable stretched between two posts. The cab
Lorico [155]

Answer:

T = 10010 N

Explanation:

To solve this problem we must use the translational equilibrium relation, let's set a reference frame

X axis

       Fₓ-Fₓ = 0

       Fₓ = Fₓ

whereby the horizontal components of the tension in the cable cancel

Y Axis  

        F_{y} + F_{y} - W =0

        2F_{y} = W

let's use trigonometry to find the angles

        tan θ = y / x

        θ = tan⁻¹ (0.30 / 0.50 L)

        θ = tan⁻¹ (0.30 / 0.50 15)

        θ = 2.29º

the components of stress are

         F_{y} = T sin θ

we substitute

       2 T sin θ = W

       T = W / 2sin θ

        T = \frac{ 800}{ 2sin 2.29}

        T = 10010 N

4 0
3 years ago
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