4 years ago

An object is dropped from rest.

Physics

1 answer:

sesenic [268]4 years ago

3 0

Taha xain malai ..........hhdd

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3 years ago

What is a difference between a law and a hypothesis?

AnnZ [28]

The correct answer is

C ). A hypothesis includes an explanation for why two variables affect each other, but a law only describes how they affect each other.

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4 years ago

A What quantity is equal to

natulia [17]

Answer:

Option B is correct

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A capacitor is connected to an ac generator that has a frequency of 3.4 kHz and produces a voltage of 2.0 V. The current in the

garik1379 [7]

Answer:

$V_G=3.302857143V$

Explanation:

Let´s find the capacitor impedance:

$V=IZ_C$

Using the data provided:

$Z_C=\frac{V}{I}=\frac{2}{0.035}=57.14285714$ Ω

Now let´s find the capacitance:

$Z_C=\frac{1}{j2\pi fC }$

$C=\frac{1}{j2\pi fZ_C} =\frac{1}{j2\pi (3400)(57.14285714)}= 0.8191798542$ μF

We can calculate the capacitor impedance for the second case:

$Z_C=\frac{1}{j2\pi fC}=\frac{1}{j2\pi (5000)(0.8191798542X10^{-6}) }=38.85714285$ Ω

Finally we can calculate the voltage of the second generator:

$V_G=IZ_C=(0.085)(38.85714285)=3.302857143V$

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4 years ago

A piece of rope is pulled by two people in a tug-of-war. each exerts a 400-n force. what is the tension in the rope?

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4 years ago

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