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steposvetlana [31]
3 years ago
8

1)why do we get electric shock while holding a live wire barefooted and not when wearing rubber shoes?

Physics
1 answer:
katrin2010 [14]3 years ago
5 0
Electricity is always going to take the path of least resistance to ground. The rubber in your shoes is not a conductor of electricity, therefore you are not completing the circuit and you don't get shocked. Your bare feet, on the other hand ARE conductors of electricity, so when you hold the wire, you complete the circuit and become the path of least resistance to ground... ZAP!
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What type of wave did you create when you pushed your arm back and forth?<br><br> plz help
IgorC [24]

Answer: It is a transverse wave ^^

Explanation:

8 0
3 years ago
A man slides on snow without friction starting at 8.96m/s at the top of an inclined plane with height 8.21m. What is his speed a
hammer [34]

Answer:

V2 = 15.53 [m/s]]

Explanation:

In order to solve this problem we must use the principle of energy conservation, where potential energy is transformed into kinetic energy. At the bottom is taken as a reference level of potential energy, where the value of this energy is equal to zero.

Above the inclined plane we have two energies, kinetics and potential. While when the sled is at the reference level all this energy will have been transformed into kinetic energy.

E_{1}=E_{2}\\  m*g*h+(\frac{1}{2} )*m*v_{1} ^{2}=\frac{1}{2}*m*v_{2} ^{2} \\(9.81*8.21)+(0.5*8.96^{2} )=(0.5*v_{2}^{2} )\\(0.5*v_{2}^{2} )=120.68\\v_{2} ^{2}=241.36\\v_{2} =\sqrt{241.36}\\  v_{2} =15.53[m/s]

4 0
3 years ago
Can someone help with these/
mafiozo [28]

One

If you use the right hand rule for these problems, you usually make your fingers and thumb sit at right angles to each other. What each of the two fingers means and that related to the thumb is a different story.  All you have to understand at this point is that all three are mutually perpendicular.

That makes C the answer.

All the other choices don't make that clear.

Two

This is a straight definition question. The definition says exactly what D says.

5 0
4 years ago
What is surface tension and what phase of matter creates it?
hram777 [196]

Answer:

The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.

If i'm wrong correct me.

4 0
3 years ago
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. The temperature of the gaseous plan
ZanzabumX [31]
From my research, the image supports the question. From the graph given, we can construct the equation of the line using the two-point formula. Using the given value of 601 K, we can solve for the missing value of altitude.

y - y1 = [(y2 - y1)/(x2 - x1)](x- x1)
y - 147.52 = [ (567 - 147.54)/(78.11 - 18.4) ](x - 18.4)

Substituting y = 601 to solve for x:
601 - 147.52 = [ (567 - 147.54)/(78.11 - 18.4) ](x - 18.4<span>)
</span>x = 83

Therefore, the probe's instruments will fail at 83 kilometers.

5 0
4 years ago
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