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vichka [17]
3 years ago
5

A century ago, swords were made from various metals, especially steel. The property that makes steel a good choice for sword mak

ing is _____.
Physics
2 answers:
tigry1 [53]3 years ago
8 0
The answer should be hardness and strength
                                                         ~emily
OLEGan [10]3 years ago
8 0
That it was harder than most other metals as well as not likely to shatter? 
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A pendulum of mass 5.0 kg hangs in equilibrium. A frustrated student walks up to it and kicks the bob with a horizontal force of
Phoenix [80]

Answer:

The length is L = 6.206m and the angle is \theta = 37.752^o.

Explanation:

The period T of the pendulum is related to its length L by

T = 2\pi \sqrt{\dfrac{L}{g} },

where g =9.8m/s^2 is the acceleration due to gravity.

Solving for L we get

L = \dfrac{T^2g}{4\pi^2}

putting in T =5.0s and g =9.8m/s^2 we get:

L = \dfrac{(5.0s)^2*9.8m/s^2}{4\pi^2}

\boxed{L = 6.206m.}

There are two forces acting on the pendulum: The gravitational force mg and the F = 30N student's force. Therefore, the angular displacement \theta that these forces give is

sin(\theta ) = \dfrac{F}{mg}

\theta = sin^{-1}( \dfrac{F}{mg})

putting in F =30N, m =5.0kg, and g =9.8m/s^2 we get

\theta = sin^{-1}( \dfrac{30N}{5.0kg*9.8m/s^2})

\boxed{\theta = 37.752^o.}

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3 years ago
Can someone please here me I’m confused
Naddika [18.5K]
I would say z, x, y, w
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What can I do to increase range of motion in a joint
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Answer:

Damian here! (ノ◕ヮ◕)ノ*:・゚✧

Stretching is used to improve range-of-motion (ROM) of a joint, but why? The most common reason is that the joint ROM is limited and is somehow affecting performance of a desired activity. Stretching is also used as a preventative measure.

Explanation:hope this helps? :))

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In terms of their location, what is the difference between subcutaneous fat and visceral fat
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Subcutaneous fat is the fat that lies under the skin and isn’t necessarily harmful to your health and visceral fat is the harmful unseen fat surrounding the organs.
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What is the electric field at the point x=6.5 m? positive e-fields point to the right.?
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6,5   6,4   6,3   6,2   6
if you know,1    
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