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3 years ago

Imvu? ..............................

Physics

2 answers:

Dominik [7]3 years ago

4 0

Imvu? Like the app?

hodyreva [135]3 years ago

3 0

Answer:

i play it

Explanation:

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Holden is trying to determine the velocity of his race car. He went 20 meters east, turned around, and went 40 meters west. He t

svet-max [94.6K]

Answer:

3 m/s east

Explanation:

I took a test a got it right

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3 years ago

In a car factory, there are 8.0 assembly lines. Each assembly lines manufactures cars at the same speed. There are 12 workers wo

AlladinOne [14]

Answer: A

Explanation:

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3 years ago

The flash unit in a camera uses a special circuit to "step up" the 3.0 V from the batteries to 290 V, which charges a capacitor.

Margaret [11]

Answer:

Therefore the capacitance of the capacitor is 2.38 * 10⁻⁵F

Explanation:

We apply the concepts related to Power and energy stored in a capacitor.

By definition we know that power is represented as

$P = \frac{E}{t}$

Where,

E= Energy

t = time

to find the Energy we have,

$E = P*t$

$P = 1*10^5Wt = 10*10^{-6}s$

$E= (1*10^5)(10*10^{-6})E = 1.0J$

With the energy found we can know calculate the Capacitance in a capacitor through the energy for capacitor equation, that is

$E=\frac{1}{2}CV^2$

$C = \frac{2E}{V^2}\\\\\\\frac{2\times 1 }{290^2 - 3^2\\} \\= 2.38 \times 10^-^5F$

Therefore the capacitance of the capacitor is 2.38 * 10⁻⁵F

3 0

3 years ago

Read 2 more answers

A 90 kg firefighter needs to climb the stairs of a 20-m-tall building while carrying a 40 kg backpack filled with gear. How much

Alexxx [7]

The power required will be equal to 463.3 watt

Power is defined as the rate of work

$P=\frac{W}{t}$

here P is power , W is work done , t is time taken

work done is defined as force times displacement

here s is displacement

here total force will be the weight of the firefighter plus the weight of gear

therefore F=(90+40)×9.8 N

so substituting value in equation of power we get

P= $\frac{25480}{55}$

p=463.3 watt

learn more about power here:

brainly.com/question/12282215

#SPJ4

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2 years ago

What arr some of the benefits of using the energy of the water to do work?

Morgarella [4.7K]

Hydropower is fueled by water, so it's a clean fuel source, meaning it won't pollute the air like power plants that burn fossil fuels, such as coal or natural gas.

Hydroelectric power is a domestic source of energy, allowing each state to produce their own energy without being reliant on international fuel sources.

The energy generated through hydropower relies on the water cycle, which is driven by the sun, making it a renewable power source, making it a more reliable and affordable source than fossil fuels that are rapidly being depleted.

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3 years ago