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Dmitry_Shevchenko [17]
3 years ago
13

Plz help idk and it's due tomorrow

Physics
2 answers:
____ [38]3 years ago
7 0
1) G. The continents are now farther apart. 2) A. P waves. They usually travel 60% faster than S waves. 3) H. A hot spot caused the Hawaiian Islands to form.
vovikov84 [41]3 years ago
6 0
1. G
2. A
3. H
(as far as I remember lol)
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What is the unit of k (spring constant) in SI system?
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Answer:

SI unit of k (spring constant) = N/m

Explanation:

We have expression for force in a spring extended by x m given by

         F = kx

Where k is the spring constant value.

Taking units on both sides

         Unit of F = Unit of k x Unit of x

          N = Unit of k x m

          Unit of k = N/m

SI unit of k (spring constant) = N/m

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3 years ago
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What is the current if a charge of 25 coulombs passes in 5 seconds?
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Which of the following is not an air pollutant?
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Answer: 1. Carbon dioxide is not an air pollutant

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2 years ago
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The suspension cable of a 1,000 kg elevator snaps, sending the elevator moving downward through its shaft. The emergency brakes
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Answer:

option (E) 1,000,000 J

Explanation:

Given:

Mass of the suspension cable, m = 1,000 kg

Distance, h = 100 m

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from the work energy theorem

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or

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where, g is the acceleration due to the gravity = 10 m/s²

or

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or

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this work done is the release of heat in the brakes

Hence, the correct answer is option (E) 1,000,000 J

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A block of mass M is suspended from two identical springs of negligible mass, spring constant k, and unstretched length L. First
34kurt

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The answer is (C)X1=2X2

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