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VLD [36.1K]
3 years ago
5

you record the length of different people's feet is this an example of a controlled experiment true or false

Physics
1 answer:
never [62]3 years ago
5 0
False you cant control the size of feet
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Materials that offer little opposition to electron motion are called _________________.
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I believe it is a conductor I am learning this myself so I may be wrong
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1. What do you notice from the picture?<br>2. Did anyone get the correct answer? ​
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Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes s
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Explanation:

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A student runs 35 m east, then 12 m west. What is the distance run by the student?
lora16 [44]
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A hollow Spherical conductor of radius 12 cm is
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Answer:

Explanation:

Radius of the charged sphere (R)=12cm

Charge (q)=6∗10^−6C

Electric field intensity (E)=?

i) On the surface

E=\frac{1}{4\pix_{e0}  } \frac{q}{R^2} =9*10^{9} *\frac{6*10^{-6} }{0.12^-2}  =3.75*10^6 N/C

ii) Inside the sphere,

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iii) Outside the sphere at distance 15cm

i.e. r=12+15=27cm=0.27m

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