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2 years ago

Which diagram represents magnetic field lines between two north magnetic poles?

Physics

2 answers:

mars1129 [50]2 years ago

5 0

the answer is B i just took a quiz on it

masya89 [10]2 years ago

3 0

Magnetic field lines come from North pole and goes to south pole, as there are two north poles, they will be going from both the poles.

In short, Your Answer would be Option 4

Hope this helps!

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What is the force on a 52 coulomb charge in a field of 5 N/C

slega [8]

Https://courses.physics.illinois.edu/phys102/sp2013/lectures/lecture2.pdf

Check out upload.

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2 years ago

How much work did the movers do (horizontally) pushing a 41.0-kg crate 10.6 m across a rough floor without acceleration, if the

VLD [36.1K]

Answer:

The required work done is $2555.448~J$

Explanation:

Consider 'F' is the applied force on the crate and 'f' be the force created by friction. According to the figure if ' $\mu_{k}$ ' be the coefficient of friction, then

$f = \mu_{k} \times N = \mu_{k} \times Mg$

where 'M', 'N' and 'g' are the mass of the crate, the normal force aced upon the block and the acceleration due to gravity respectively.

Since the application of force by the movers does not create any acceleration to the block, we can write

$F = f = \mu_{k} \times M \times g = 0.6 \times 41~Kg~ \times 9.8~m~s^{-2} = 241.08~N$

So the work done (W) in moving the crate by a distance s = 10.6 m is

$W = F \times s = 241.08~N \times 10.6~m = 2555.448 J$

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2 years ago

What should you do after handling chemicals in the lab

Natalija [7]

Answer:

Wash your hands with warm water and soap.

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2 years ago

Which is NOT a property of magnetic field lines?

salantis [7]

The answer would be B. Magnetic fields are invisible they cannot be directly observed

4 0

3 years ago

Read 2 more answers

What is the relation between inertia and mass?

aleksandr82 [10.1K]

Answer:

The tendency of an object to resist changes in its state of motion varies with mass. Mass is that quantity that is solely dependent upon the inertia of an object. The more inertia that an object has, the more mass that it has. A more massive object has a greater tendency to resist changes in its state of motion.

Explanation:

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3 years ago