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3 years ago

What is conduction and induction?

2 answers:

8 0

Conduction involves physical contact to charge, well induction does not.
Learn more at: <span>www.physicsclassroom.com/class/estatics/Lesson-2/Charging-by-Conduction</span>

mamaluj [8]3 years ago

6 0

<span>contrast to induction where the charged object is brought near but never contacted to the object being charged, conduction charging involves changing the physical connection of the charged object to the neutral things</span>

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Answer:

Explanation:

There is no set way to do this. All you have to do is define left and right. Left will be minus and right will be the opposite --- plus.

That is completely arbitrary. It could be the other way around. It does not matter.

Left is minus so: - 600 N is the force going left.

Right plus so: + 500 N

Now just add.

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3 years ago

A rectangular piece of cardboard, whose area is 352 square centimeters, is made into an open box by cutting a 2-centimeter sq

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Answer:

Dimension of cardboard is 22 m by 16 m

Explanation:

Given that,

Area = 352 cm²

Side of each square cutting from corner = 2 cm

Volume of box = 432 cm³

Let the two sides are x and y.

The area of the rectangular piece is

$xy=352$

$y=\dfrac{352}{x}$ -------- (1)

The volume of the rectangular piece

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$x^2-38x+352=0$

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x=16,22

Put the value of x in the equation (I)

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$y=\dfrac{352}{16}=22$

For x = 22

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3 years ago

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pantera1 [17]

The answer is 133 Se

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3 years ago

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Answer:

Explanation:

Given

Initial speed $u=60\ mi/hr\approx 88\ ft/s$

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using equation of motion

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where v=final velocity

u=initial velocity

a=acceleration

s=displacement

$0-(88)^2=2\times a\times 120---1$

for $u_2=80\ mi/hr\approx 117.33\ ft/s$

using same relation we get

$0-(117.33)^2=2\times a\times (d_2)----2$

divide 1 and 2 we get

$(\frac{88}{117.33})^2=\frac{120}{d_2}$

$d_2=213.32\ ft$

So a distance if 213.32 ft is required to stop the vehicle with 80 mph speed

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3 years ago

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Answer:

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