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Ray Of Light [21]
2 years ago
6

It is a good idea to read or exchange text messages during all of the following times EXCEPT:

Physics
2 answers:
Dafna11 [192]2 years ago
8 0

Answer: A while driving a car. It is unsafe

Alexxx [7]2 years ago
6 0

Answer:

It is a good idea to read or exchange text messages during all of the following  times except while driving a car.

Explanation:

Eating lunch and using your phone is very safe. The only way I can see it being bad is if you handed your phone to some toddlers and took it back without wiping it off!

If you're waiting for your appointment or waiting to reach your destination, then there is also no harm. As long as you are not driving the bus or you're not the doctor working on patients while texting, then this should be alright.

This leaves us with driving. The commercials tell us. Common knowledge tells us. Hopefully, parents or colleagues or even your own kids (I've had to do this to my dad countless times before) have told you this...

DO NOT TEXT WHILE DRIVING.

So many accidents happen solely for this reason. People, just put down the phone and wait 'til you're at a red light or, even better, when you reach your destination.

So no, it is not a good idea to read OR exchange text messages while driving. Any other time? Well, go ahead! But if you're in that driver seat and your currently in the road with other cars, take into consideration the fact you are not the only person there. Keep everyone safe and drop that phone!

....

My bad, I got long winded. Hope this helped!

Source(s): TV Commercials, myself.

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Answer:

radiation

Explanation:

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3 years ago
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Two examples of chemical reactions that involved a thermal energy change:
zzz [600]

Answer:

Option 1 is endothermic

Option 2 is exothermic

Explanation:

In Chemistry, Exothermic reactions are reactions whereby heat energy is transferred to the surroundings and the temperature of the surroundings increases. Endothermic reactions are those whereby heat energy from the surroundings is absorbed and thereby making the temperature of the surroundings to decrease.

This means in simple terms that endothermic reactions will have heat on the reaction side of the equation while exothermic will have heat on the product side of the equation.

Thus;

Option 1 is endothermic since it has heat absorbed on the reactant side.

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6 0
2 years ago
A neighborhood transformer on the top of a utility pole transforms 12.0 kV 60.0 Hz alternating voltage down to 120.0 V to be use
riadik2000 [5.3K]

Answer:

<em>The primary coil has 13,400 turns</em>

Explanation:

<u>Voltage Transformers</u>

A transformer is an electrical apparatus that converts an alternating electrical voltage to another. Step-down transformers lower the voltage from higher levels (kilovolts) to consumer levels (120/240 Volts).

The ratio between both voltages can be computed as

\displaystyle r=\frac{V_1}{V_2}

Where V1 is the primary voltage and V2 is the secondary voltage. This ratio depends on the turns ratio of the coils wounded in a common magnetic core.

\displaystyle r=\frac{N_1}{N_2}

Being N1 the number of turns of the coils of the primary side and N2 the number of turns in the secondary coil. Both relations give us

\displaystyle \frac{N_1}{N_2}=\frac{V_1}{V_2}

Solving for N1

\displaystyle N_1=\frac{V_1}{V_2}\cdot N_2

We have:

V_1=12,000\ V\\V_2=120\ V\\N_2=134

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\displaystyle N_1=\frac{12,000}{120}\cdot 134=13,400

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2 years ago
Question 1 (1 point)
MatroZZZ [7]

Answer:

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Explanation:

The work W done by the frictional force is

W= Fd.

Now, F = 60N and d =10m; therefore,

W= (60N)(10m)

\boxed{W = 600J.}

Hence, the work done by friction is 660J.

7 0
2 years ago
Brainliest for correct answer! :)
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Answer:

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