3 years ago

How to find acceleration with mass coefficient of friction and applied force

1 answer:

7 0

<span>If by theta you mean the angle at the base of slope on which is the body laying, and you want to calculate minimal theta for which the blocks starts to slide.

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A charging RC circuit controls the intermittent windshield wipers in a car. The emf is 12.0 V. The wipers are triggered when the

lilavasa [31]

Answer:

$R=803k\Omega$

Explanation:

We have the following information,

$V_0 = 12V\\V=10V\\c= 1.25*10^{-6}F\\t=1.8s$

We apply the equation for capacitor charging the voltage across it,

$V=V_0 (1-e^{-t/x})\\e^{-t/x}=1-(\frac{V}{V_0})\\-\frac{t}{Rc}=ln(\frac{V}{V_0})\\R=-\frac{t}{ln(\frac{V}{V_0})*c}$

Replacing values,

$R=-\frac{1.8}{ln(10/12)*1.25*10^{-6}}$

$R=803k\Omega$

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3 years ago

What <br> material gives the soil its high fertility?

NARA [144]

Answer:

Humus

Explanation:

Its Humus I believe. I remember learning something like this.

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3 years ago

Use Newton’s first law to explain why a book on a desk does not move

rewona [7]

Answer:

nothing moves if anything other doesn't move it.

natural position of things is the resting

Explanation:

yeah that's it

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2 years ago

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soldier1979 [14.2K]

Answer:

OPEN

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2 years ago

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A man is walking while riding a train. He says he is moving at 2 mph. A woman standing on a platform at a train station says the

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The woman is correct because it is the pace he is moving not walking.

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3 years ago