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stepan [7]
3 years ago
9

Which word best describes the tone of the poem "Sir Isaac Newton"? A. magical B. mystical C. series D. humorous

Physics
2 answers:
salantis [7]3 years ago
8 0
The answer to this question is b mystical
erma4kov [3.2K]3 years ago
6 0

a. magical i hope it help

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What are the rules for setting up an integral of rotation?
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Setting up an integral of rotation is used as a method of of calculating the volume of a 3D object formed by a rotated area of a 2D space. Finding the volume is similar to finding the area, but there is one additional component of rotating the area around a line of symmetry.

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A pendulum is hanging from a tower. The pendulum almost touches the ground and has a period of 18.0 s. What is the height of the
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We apply the following equation

T = 2π * sqrt (L/g)

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Calculate the heat energy conducted per hour through the side walls of a cylindrical steel
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3 years ago
A 16 kg science book is dropped of a 120 meter high cliff. Assuming a closed system:
Lapatulllka [165]

Answer:

Explanation:

The mass of that science book...wow. In pounds that would be 35.2! Yikes!

Anyway, we need final velocity here, and the mass of the book has nothing to do with how fast it falls. Everything is pulled by the same gravity. A feather falls at 9.8 m/s/s and so does an elephant. Mass is useless information. The equation we will use is

v^2=v_0^2+2aΔx  where

v is the final velocity, our unknown,

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a is the pull of gravity which is always -9.8 m/s/s, and

Δx = -120 which is the displacement (it's negative because the book falls below the point from which it was dropped). Filling in:

v^2=0^2+2(-9.8)(-120) so

v=\sqrt{2(-9.8)(-120)} and

v = 48 m/s

As far as how far above the bottom of the cliff the object is when it is moving at 12 m/s we will use the same equation, but the velocity will be 12:

12^2=0^2+2(-9.8)Δx and

144 = -19.6Δx so

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120 - 7.3 = 112.7 m off the ground.

6 0
3 years ago
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