3 years ago

Which of the following items has the most inertia while at rest

Physics

1 answer:

Hunter-Best [27]3 years ago

3 0

Answer:

wats the following items

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Which famous scientist is associated with the force of gravity?

jenyasd209 [6]

Answer:

Isaac Newton

Explanation:

Your welcome

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3 years ago

Assume that the pictured magnet is being moved into the solenoid. If the polarity of the magnet is reversed and then moved into

KonstantinChe [14]

Answer:

The direction of induced emf is revered and hence the direction of the induced current.

Explanation:

If the polarity of the magnet is reversed, the direction if the field lines through the solenoid is also reversed, which according to Faraday's law means

$\varepsilon =N\dfrac{d\Phi}{dt} \rightarrow -N\dfrac{d\Phi}{dt}$

in other words, the direction of the magnetic flux is revered, and therefore, the direction of the induced emf is also revered.

Furthermore, according to Ohm's law

$I = \dfrac{\varepsilon}{R}$

which tells us that if the induced emf changes sign <em>(is reversed)</em>

$I = -\dfrac{\varepsilon}{R}$

the direction of the induced current is also reversed.

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You are on a school bus driving north at 20 m/s. You walk toward the back of the bus with a velocity of 6 m/s. What is your velo

Ganezh [65]

I answered the question but it got deleted?? why?

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3 years ago

How much energy in joules does it take to raise the temperature of 1.5kg of aluminum from 20 degrees Celsius to 40 degrees Celsi

masya89 [10]

Q = m * c * ΔΤ
ΔΤ = 40-20 = 20

Q = 1.5kg * 0.9 * 20
Q = 27J

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3 years ago

Which type of fitness is not based on performance?

Aneli [31]

Fitness can be measured during the actual performance.
Which means that there are a lot of factors that can affect agility, speed, and coordination beside the physical factors itself. Meanwhile, flexibility solely depends on the physical Factors.

The answer is flexibility .

Hope this helps (:

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3 years ago