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3 years ago

HELP QUICK!! GIVING 16 PTS!!

Physics

2 answers:

Alex17521 [72]3 years ago

8 0

Well visual and perceptual are both the way you see things and tactile is touch so it has to be Olfactory

Mariulka [41]3 years ago

4 0

Correct Answer is A. A:Olfactory

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The charge of an electron is -1.60x10-19 C. A current of 1 A flows in a wire carried by electrons. How many electrons pass throu

faltersainse [42]

Answer: $6.241\times 10^{18}$ electrons pass through a cross section of the wire each second.

Explanation:

According to mole concept:

1 mole of an atom contains $6.022\times 10^{23}$ number of particles.

Given : Charge on 1 electron = $1.6\times 10^{-19}C$

Charge on 1 mole of electrons = $1.6\times 10^{-19}\times 6.022\times 10^{23}=96500C$

To calculate the charge passed we use the equation:

$I=\frac{q}{t}$

where,

I = current passed = 1 A

q = total charge = ?

t = time required = 1 sec

Putting values in above equation, we get:

$1A=\frac{q}{1s}\\\\q=1A\times 1s=1C$

When 96500C of electricity is passed , the electrons passed = $6.022\times 10^{23}$

1 C of electricity is passed , the electrons passed = $\frac{6.022\times 10^{23}}{96500}\times 1C=6.241\times 10^{18}$

Hence, $6.241\times 10^{18}$ electrons pass through a cross section of the wire each second.

4 0

3 years ago

A 4400 W motor is used to do work. If the motor is used for 200 s, how much work could it do? (Power: P = W/t)

guajiro [1.7K]

So if p=w/t
then 4400=(w)(200)
so you would multiply 4440•200 and get 880,000

3 0

4 years ago

If A.B=A.C<br>does this imply that B must be equal to c ? <br>I need answer with example please

Leno4ka [110]

Answer:

Yes

Explanation:

$Consider\ three\ variables\ a,b\ and\ c.\\If,\\ab=ac\\a*b=a*c\\We\ may\ now\ divide\ the\ LHS\ and\ RHS\ by\ a,\\Hence,\\\frac{a*b}{a} =\frac{a*c}{a}\\Hence,\\b=c$

$Ex: \\Consider\ a=5, b=6.\\Hence\ if,\\a*b=a*c\\5*6=5*c\\Hence,\\30=5c\\Hence, c=\frac{30}{5}\\c=6\\As\ b\ also\ equals\ to\ 6,\\b=c$

5 0

3 years ago

Which one does not affect the gravitational force between the 1 point

Zinaida [17]

Answer:

D. The net electrical charge of the Earth.

Explanation:

All the other three choices affect the gravitational force. I remember from middle school.

6 0

3 years ago

How long will it take to travel 200 km traveling 10 m/s ?

GuDViN [60]

<span>Convert 200 km to meters which equals 200000 meters. Then take 10m/s*200000meters which equals 2000000 seconds.
</span>

5 0

4 years ago