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Fittoniya [83]
3 years ago
6

A 215-kg load is hung on a wire of length of 3.60 m, cross-sectional area 2.00 10-5 m2, and Young's modulus 8.00 1010 N/m2. What

is its increase in length
Physics
1 answer:
Y_Kistochka [10]3 years ago
6 0

Answer:

4.74 * 10^-3

Explanation:

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Does the mass of a supermassive black hole correlate with any other part of a galaxy?
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Based on my research, it is not correlated with any other part of a galaxy but the masses of supermassive black holes are known to correlate with the properties of the bulge components of their host galaxies. Then this supermassive black hole seems not to correlate with galaxy disks.
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An engine performs 6400 j of work on a motorbike the motorbike and the rider have a combined mass of 200 kg if the bike started
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The work done by the engine is converted into kinetic energy of the motorbike+rider system:

W=K=\frac{1}{2}mv^2

where

W=6400 J is the work

m=200 kg is the mass of the system

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Rearranging the equation and substituting the numbers in, we find

v=\sqrt{\frac{2W}{m}} =\sqrt{\frac{2(6400 J)}{200 kg}} =8 m/s

4 0
3 years ago
When the mass of the cylinder increased by a factor of 3, from 1.0 kg to 3.0 kg, what happened to the cylinder’s gravitational p
const2013 [10]

Answer: Fourth option. It increased by a factor of 3.

Solution:

m1=1.0 kg

Cylinder's gravitational potential energy: Ep=m*g*h

Ep1=(1.0 kg)*g*h

Ep1=g*h

m2=3.0 kg

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Replacing g*h by Ep1 in the equation above:

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3 0
3 years ago
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Wheat ground into flour is an example of a ___ change?
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Oml... Its physical... Unless if your turning that wheat into bread by using fire it would be chemical.






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2 years ago
An object has an acceleration of 6.0 m/s/s. If the net force was doubled and the mass was one-third the original value, then the
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Hahahahaha. Okay.

So basically , force is equal to mass into acceleration.

F=ma

so when F=ma , we get acceleration=6m/s/s

Force is doubled.

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2F=1/3ma

Now , we rearrange , and we get 6F=ma

So , now for 6 times the original force , we get 6 times the initial acceleration.

So new acceleration = 6*6= 36m/s/s

5 0
3 years ago
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