3 years ago

What is imperceptible human motion?

Physics

1 answer:

castortr0y [4]3 years ago

3 0

Unable to be noticed or not felt because of feeling slight

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The electric current leaves the battery through the --- complete this blank

aev [14]

The bulb

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3 years ago

A ground-fault circuit interrupter shuts down a circuit if it?

alukav5142 [94]

C: if it senses unequal currents

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1 year ago

A charge of Q is fixed in space. A second charge of q was first placed at a distance r1 away from Q. Then it was moved along a s

topjm [15]

Answer:

$\Delta U = \frac{Qq}{4\pi\epsilon_0}(\frac{1}{r_2^2}-\frac{1}{r_1^2})$

Explanation:

The electrostatic potential energy is given by the following formula

$U = \frac{1}{4\pi\epsilon_0}\frac{q_1q_2}{r^2}$

Now, we will apply this formula to both cases:

$U_1 = \frac{1}{4\pi\epsilon_0}\frac{Qq}{r_1^2}\\U_2 = \frac{1}{4\pi\epsilon_0}\frac{Qq}{r_2^2}$

So, the change in the potential energy is

$\Delta U = U_2 - U_1 = \frac{Qq}{4\pi\epsilon_0}(\frac{1}{r_2^2}-\frac{1}{r_1^2})$

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3 years ago

How much does coast to coast membership cost?

CaHeK987 [17]

The price of coast to coast membership in united states could lie anywhere between $2,000 to $ 5,000
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3 years ago

Anne rode 3000 m east. She then turned and rode 2000 m to the west in 1000 seconds. What was her velocity?

yarga [219]

Answer:

1m/s [E]

Explanation:

So for displacement, its saying she went 3000m east and 2000m west. Since these two are in different directions, you would change the sign of one of them to change the direction;

3000m [E] + 2000m [W] = d

3000m [E] - 2000m [E] = d

1000m [E] = d

And its saying the time is 1000 seconds, so using velocity formula:

v = d/t

v=1000m[E] / 1000s

v = 1 m/s [E]

4 0

2 years ago