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pochemuha
3 years ago
6

Select the term being defined.

Physics
1 answer:
Natalija [7]3 years ago
7 0

A "live" wire or "hot" wire is one that's energized. <em>(B)</em>

It doesn't matter whether it has electrical current flowing in it or not.  If the live, hot, energized conductor has <u><em>voltage</em></u> on it, there is risk of being shocked if you come in contact with it.

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Help please! thank you! please dont plagiarism my teacher checks for plagiarism ;-;
dimulka [17.4K]

Answer:

the reason why the crate won't move to the direction of the force being applied (F app). is because the (Fgravity) is pulling it down making it heavy to move

7 0
3 years ago
2) Calculate the gravitational potential energy that a parachutist has just as he
masya89 [10]

Answer:

<em>The gravitational potential energy of the parachutist is 3,528,000 J</em>

Explanation:

<u>Gravitational Potential Energy </u>

It's the energy stored in an object because of its height in a gravitational field.

It can be calculated with the equation:

U=m.g.h

Where:

m = mass of the object

h  = height with respect to a fixed reference

g  = acceleration of gravity, usually taken as 9.8 m/s^2.

The parachutist has a mass of m=120 kg and he jumps at a height of h= 3,000 m. Computing the gravitational potential energy:

U = 120 * 3,000 * 9.8

U = 3,528,000 J

The gravitational potential energy of the parachutist is 3,528,000 J

5 0
3 years ago
Which represents the most accepted form of scientififc ideas
andrezito [222]

Explanation:

A paradigm can be defined as universally recognized scientific patterns theories or achievements that , for a time that provides a model for problems and solution for a community of practitioners. that is most accepted from of scientific ideas

6 0
3 years ago
. Starting from a stop at a traffic signal, a car speeds up to 20 m/s in 5 seconds. Calculate the acceleration of the car.
Dimas [21]

Answer: 4m/s²

Explanation:

At stop signal car speed iz 0 ; V1=0m/s

After t=5s  , car has speed is V2=20m/s

using:

a=(V2-V1)/t

a=(20m/s-0m/s)/5s

a=20m/s/5s

a=4m/s²

4 0
3 years ago
An important difference between waves and classical particles is that A. waves cannot interfere. B. particles cannot interfere.
pishuonlain [190]
<span>C. waves can only interfere destructively. </span>
5 0
3 years ago
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