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Yakvenalex [24]
2 years ago
12

if you walk across a carpet, touch a doorknob and get a shock, the shock was the result of a _____ static charge.

Physics
1 answer:
BabaBlast [244]2 years ago
6 0
Electrostatic (it’s a combined word) that’s all what i know honestly, hope it helps:)
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3 years ago
A square piece of tin has 12 inches on a side. An open box is formed by cutting out equal square pieces at the corners and bendi
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Answer:

Explanation:

Given a square Piece whose side is 12 inches

Now square pieces are cut from each corner to make it a open box

Suppose x is the length of square piece at each corner

then

base square has a length of 12-2x

Dimension of new box is (12-2x)\times (12-2x)\times x

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V=\left ( 12-2x\right )^2\cdot x

For maximum volume differentiate with respect to x we get

\Rightarrow\frac{\mathrm{d} V}{\mathrm{d} x}=2\times \left ( 12-2x\right )\times \left ( -2\right )\cdot x+\left ( 12-2x\right )^2=0

we get x=6 and 4 but at x=6 volume becomes zero therefore x=4 is valid

V=\left ( 12-2\cdot 4\right )^2\cdot 4

V=4^3

V=64\ in.^3

6 0
2 years ago
Which factors affect heat transfer between a warm and a cool substance?
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Hope this helps!
8 0
2 years ago
I don’t understand I need help asap
hammer [34]
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Answer:

I believe the answer is B) Two wavelengths

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