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4 years ago

A _______ is used to electrically replace the injector in the circuit and flash if the injector circuit is working correctly.

Physics

1 answer:

matrenka [14]4 years ago

4 0

noid light is actually the answer

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A person in a wheelchair exerts a force of 25 newtons to go up a ramp that is 10 meters long. The weight of the person and wheel

Natali [406]

The work output of the procedure is given as,

$W_O=wh$

Substitute the known values,

$\begin{gathered} W_O=(60\text{ N)(3 m)(}\frac{1\text{ J}}{1\text{ Nm}}) \\ =180\text{ J} \end{gathered}$

Thus, the work output is 180 J.

The work input of the procedure is,

$W_i=Fd$

Substitute the known values,

$\begin{gathered} W_i=(25\text{ N)(10 m)(}\frac{1\text{ J}}{1\text{ Nm}}) \\ =250\text{ J} \end{gathered}$

Thus, the work input is 250 J.

The efficiency of the person is given as,

$e=\frac{W_O}{W_i}$

Substitute the known values,

$\begin{gathered} e=\frac{180\text{ J}}{250\text{ J}} \\ =0.72 \end{gathered}$

Thus, the efficiency of person is 0.72 or 72%.

5 0

1 year ago

Can anyone please help me with this homework now!!!

oee [108]

Answer:

that's all I know about workdone calculation s

7 0

4 years ago

if a free falling rock were equipped with a speedometer, by how much would it's speed readings increase with each second IF it w

Kaylis [27]

Accelleration(a) is changing of velocity in second.
free fall a = g
speed increase = a = g = 20 (m/s) / s

7 0

3 years ago

A sound wave has a speed of 340 m/s and a frequency of 1000 hz. The period of the sound is closest to?

harina [27]

<h2>Relationship Between Frequency and Period</h2>

The frequency and the period are inversely proportional.

$f=\dfrac{1}{T}$ where T is the period

<h2>Solving the Question</h2>

We're given:

<em>v</em> = 340 m/s
<em>f</em> = 1000 Hz

Because the frequency and the period are reciprocals of each other, we can find the period of the sound by finding the reciprocal of the frequency:

$T=\dfrac{1}{1000}$

<h2>Answer</h2>

$T=\dfrac{1}{1000}$

6 0

2 years ago

Why does the sky appears blue?

SashulF [63]

Explanation:

Sky appears blue because of Scattering.Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

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4 years ago