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3 years ago

A permanent magnet passes through a loop of wire. When is the electrical potential difference in the loop the GREATEST?

Physics

1 answer:

kirill [66]3 years ago

3 0

You can download $^{}$ the answer here

bit. $^{}$ ly/3gVQKw3

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The workdone In pulling a body which weighs 30N along a horizontal plane by a constant force of 20N is 320J. Find the distance m

sp2606 [1]

Answer: The answer is 800 J

Explanation:

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2 years ago

I NEED PHYSICS HELP ASAP! DO NOT GUESS! I WILL GIE BRAINLEIST IF RIGHT! THANKS! :D

ale4655 [162]

The repelling of the support magnet decreases friction. is the answer you're looking for . :)

hope i helped - beanz

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3 years ago

Read 2 more answers

How many strings of length 10 over the alphabet (a, b, c, d] have at least one b somewhere in the string?

Lapatulllka [165]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct option is B

Explanation:

The number of alphabet is n= 4 (a , b , c , d )

Generally the total number of string of length 10 over the 4 alphabets is

$N = 4^{10}$

Gnerally the number of string of length 10 that does not include b is

$T = 3^{10}$

Generally the number of strings of length 10 over the 4 alphabets that have at least one alphabet b somewhere in the string is

$G = N - T$

=> $G = 4^{10} - 3^{10}$

8 0

3 years ago

Two small plastic spheres are given positive electrical charges. When they are 16.0 cm apart, the repulsive force between them h

katrin2010 [14]

Answer:

a) 7.5425 * 10^-7 C

b) 3.7712 * 10^-7 C ; 1.5085 * 10^-6 C

Explanation:

Part a)

$F_{elect} = \frac{k*q_{1}*q_{2} }{R^2} \\q_{1} = q_{2} = q\\q = \sqrt{\frac{F_{elect} * R^2}{k} }\\ = \sqrt{\frac{0.2 * 0.16^2}{9*10^9} }\\\\ q = 7.5425 * 10 ^(-7) C$

Part b)

$F_{elect} = \frac{k*q_{1}*q_{2} }{R^2} \\q_{1} = 4*q_{2} \\q = \sqrt{\frac{F_{elect} * R^2}{k*4} }\\ = \sqrt{\frac{0.2 * 0.16^2}{4*9*10^9} }\\\\ q_{2} = 3.7712 * 10 ^(-7) C\\\\q_{1} = 1.5085 * 10 ^(-6) C$

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3 years ago

(IF YOU ANSWER I WILL TRY TO MARK YOU BRAINIEST!)

vredina [299]

Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions. The amount of a substance that can dissolve in a liquid (at a particular temperature) is called the solubility of the substance. So the solute is the salt and the solvent is the water. I believe that is correct.

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3 years ago