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Liono4ka [1.6K]

3 years ago

8

I am getting tired quickly when I walk to school in the morning. What exercises can I do to help improve my level of fitness in

this area?

2 answers:

Oduvanchick [21]3 years ago

8 0

You can do some stretching and yoga before you head out. <span />

jeka57 [31]3 years ago

8 0

You should do some yoga for activeness and meditation for good concentration.

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Which diagram is the best model for a solid?<br> Substance A<br> Substance B<br> О Substance C

mina [271]

Answer:

This link was diagram

Explanation:

https://doubtnut.app.link/FnsNC80Dccb

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What must you know to find the amount of work done on an object

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Answer:

The work is calculated by multiplying the force by the amount of movement of an object (W = F * d). A force of 10 newtons, that moves an object 3 meters, does 30 n-m of work. A newton-meter is the same thing as a joule, so the units for work are the same as those for energy – joules.

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An elastic conducting material is stretched into a circular loop of 9.65 cm radius. It is placed with its plane perpendicular to

Nadya [2.5K]

Answer:

The induced emf in the coil is 0.522 volts.

Explanation:

Given that,

Radius of the circular loop, r = 9.65 cm

It is placed with its plane perpendicular to a uniform 1.14 T magnetic field.

The radius of the loop starts to shrink at an instantaneous rate of 75.6 cm/s , $\dfrac{dr}{dt}=-0.756\ m/s$

Due to the shrinking of radius of the loop, an emf induced in it. It is given by :

$\epsilon=\dfrac{-d\phi}{dt}\\\\\epsilon=\dfrac{-d(BA)}{dt}\\\\\epsilon=B\dfrac{-d(\pi r^2)}{dt}\\\\\epsilon=2\pi rB\dfrac{dr}{dt}\\\\\epsilon=2\pi \times 9.65\times 10^{-2}\times 1.14\times 0.756\\\\\epsilon=0.522\ V$

So, the induced emf in the coil is 0.522 volts.

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3 years ago

Which changes in an electric motor will make the motor stronger? Check all that apply. using a stronger permanent magnet using a

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Use stronger magnets
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3 years ago

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Water can spread germs through bacteria.

Explanation:

Bacteria can live in water and can spread to new locations when water is moved.

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2 years ago