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4 years ago

What is the squar root of 123567980

Physics

1 answer:

slavikrds [6]4 years ago

4 0

Answer:

11116.1135295

Explanation:

Finding square roots of of numbers that aren't perfect squares without a calculator.

Example: Calculate the square root of 10 ( ) to 2 decimal places.

Find the two perfect square numbers it lies between.

Divide 10 by 3. ...

Average 3.33 and 3. ( ...

Repeat step 2: 10/3.1667 = 3.1579.

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A 460 nm monochromatic light is split into two beams. The two beams arrive at a point on a screen with a path difference of 920n

VladimirAG [237]

Answer:

phase difference $\Delta \Phi = 12.566$

Explanation:

Phase difference is expressed as $\Delta \Phi$

$\Delta \Phi =\frac {2\pi}{\lambda} \Delta X$

Where,

$\Delta \Phi$ = phase difference

$\lambda$ wavelength = 460nm

$\Delta X$ path difference = 920 nm

$\Delta \Phi =\frac {2\pi}{460} *920 = 4\pi$

therefore

phase difference $\Delta \Phi = 12.566$

7 0

4 years ago

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Bar magnets have 2 poles. I think. Answer: first choice

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3 years ago

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In the formula for magnetic deflection, FM is equal to qvB. Match each symbol in this formula with what it represents.

slava [35]

Answer:

1. $F_m$ -Deflection force

2.q-Charge

3.v-Velocity of the charge

4.B-Perpendicular magnetic field strength

Explanation:

We are given that magnetic deflection

$F_m=qvB$

We have to match each symbol in formula with what it represents.

In this formula

$F_m=$ Deflection force

q=Charge of particle

v=Velocity of charge

B=Perpendicular magnetic field strength

Therefore,

1. $F_m$ -Deflection force

2.q-Charge

3.v-Velocity of the charge

4.B-Perpendicular magnetic field strength

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3 years ago

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A 15-N force to the left and a 45-N force to the right act on a 10 kg object in opposite directions.

aleksley [76]

Answer:

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Explanation:

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3 years ago

The total sum of atoms in an object.

Darina [25.2K]

Answer:

Mass

Explanation:

The total sum of atoms in an object is the mass of the object. There are several ways to quantify the number of atoms in a substance.

In chemical calculations, the number of moles is a good representation of the number of atoms contained in a body.
Mass is the amount of substances a body has.
If we can sum up all the atoms in a substance, one will arrive at the mass of the substance

4 0

3 years ago