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Blababa [14]
4 years ago
3

A worker standing on a freshly mopped floor is adjusting products on a metal shelf. There is an exposed wire in contact with the

shelving. What is this an example of?
Select the best option.
A) Contacting Overhead Power Lines
B) Contacting Energized Sources
Physics
1 answer:
exis [7]4 years ago
7 0

Answer:

B) Contacting Energized Sources

Explanation:

A worker standing on a freshly mopped floor is adjusting products on a metal shelf. There is an exposed wire in contact with the shelving. What is this an example of?

Select the best option.

A) Contacting Overhead Power Lines

B) Contacting Energized Sources

the source which is in contact with the metal and that is in contact  with the worker. Note that the worker's body conducts electric charges and then in contact with a wet floor . the floor will certainly conduct electricity

this is an example of contacting an energized source and not contacting overhead power lines as there are no such case in the scenario stated

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Three students each hold basketballs with the same masses at varying heights. One basketball is held 2 feet above the ground. An
Advocard [28]

The Basketball with the greatest gravitational potential energy is : Basketball 4 feet above the ground ( c )

<u>Given data :</u>

masses = constant

H₁ = 2 ft

H₂ = 3 ft

H₃ = 4 ft

g = 9.81 m/s²

<h3><u>Procedure to determine the basketball with the greatest gravitational P.E </u></h3>

we will apply the equation below

Gravitational potential energy ( U ) = mgh

  • For ball 1

U = 2 * 9.81 = 19.62

  • For ball 2

U = 3 * 9.81 = 29.43

  • For ball 3

U = 4 * 9.81 = 39.24

From the calculations the basketball with the greatest gravitational potential  energy is the basketball at 4ft above the ground

Learn more about gravitational potential energy : brainly.com/question/15896499

4 0
3 years ago
What is the G.P.E of 675 newtons on 26000 meter mountain
vagabundo [1.1K]
GPE=mgh, where m=mass, g=acceleration due to gravity, h=height
We have a force of 675N already, so mg=675N

<span>GPE=mgh=675(26000)=17.55x10^6J</span>
3 0
3 years ago
A quantity that does not have direction is referred to as a
Hatshy [7]
B

A quantity which does not depend on direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude and a direction. Scalar quantities have only a magnitude. ... The resulting motion of the aircraft in terms of displacement, velocity, and acceleration are also vector quantities.
5 0
3 years ago
It takes 1 molecule of nitrogen and 3 molecules of hydrogen to produce 2 molecules of ammonia using the following formula:
fgiga [73]

Here, we are required to determine which combination of molecules will produce ammonia with no leftovers.

Option A: 2N2 and 6H2 is the correct combination of molecules that will produce ammonia with no leftovers.

First, it is important to know that both Nitrogen and Hydrogen used in the production of ammonia are diatomic.

Secondly, Nitrogen and Hydrogen are in the ratio 1 : 3.....

As such, the coefficient of hydrogen should be thrice that of Nitrogen to ensure that there are no leftovers.

Therefore, option A which has:

2N2 and 6H2 is the correct combination of molecules that will produce ammonia with no leftovers.

Read more:

brainly.com/question/24396848

8 0
3 years ago
a crane lifts a 75 kg mass at a height of 8m. calculate the gravitational potential energy gained by the mass (g= 10N)
Leno4ka [110]

Answer:

6000 J

Explanation:

Potential energy = mass*gravity*height (U = m*g*h)

In this case g = 10 so

U = 75*10*8 = 6000 J (joules) [kg * m^2/s^2]

7 0
3 years ago
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