2 years ago

If you have a mechanical advantage of 2 with a block and tackle system. How much force do you have to pull with?

Physics

1 answer:

Dovator [93]2 years ago

7 0

Answer:

Half

Explanation:

You only have to exert a force equal to half the weight of the load to lift it.

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Answer:

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Explanation:

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2 years ago

The vibration produced days or even years before an earthquake

Margaret [11]

I don't know I guess its the plate tectonics

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The average radius of Mars is 3,397 km. If Mars completes one rotation in 24.6 hours, what is the tangential speed of objects on

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If wheel turning at a constant rate completes 100 revolutions in 10 s its angular speed is:

GenaCL600 [577]

The frequency of the wheel is given by:
$f= \frac{N}{t}$
where N is the number of revolutions and t is the time taken. By using N=100 and t=10 s, we find the frequency of the wheel:
$f= \frac{100}{10 s}=10 s^{-1}$

And now we can find the angular speed of the wheel, which is related to the frequency by:
$\omega=2 \pi f=2 \pi (10 s^{-1})=62.8 s^{-1}$

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3 years ago

What has highest frequency in electromagnetic spectrum color?

natulia [17]

In Electromagnetic spectrum, X-rays has very high frequency but gamma-rays has more than that. If you consider cosmic rays as an electromagnetic wave, then it would be highest energetic and has highest frequency.

In short, Your Answer is "Cosmic rays"

Hope this helps!

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2 years ago