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Vesna [10]
3 years ago
12

A neutral comb brushes

Physics
1 answer:
Serjik [45]3 years ago
3 0
? What’s the question
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During a science fair, a group of students came up with the following question: “Is color an inherent property in objects or is
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I think the correct answer from the choices listed above is option B. The question that the group of students came up with would be an extremely difficult question to answer scientifically because how people see or experience color is subjective and people might see it differently.
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3 years ago
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The Electric Field 9.0m from a +25μC charge is 
salantis [7]

The electric field intensity generated by a single point charge is given by

E(r)=k\frac{q}{r^2}

where

k is the Coulomb's constant

q is the charge

r is the distance from the charge


In this problem, the charge is q=25 \mu C=25 \cdot 10^{-6} C and we are asked to calculate the field at distance r=9.0 m, so the electric field is

E(9.0 m)=(8.99 \cdot 10^9 Nm^2C^{-2})\frac{25 \cdot 10^{-6} C}{(9 m)^2}=2775 V/m

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3 years ago
A force of 25 newtons moves a box a distance of 4 meters in 5 seconds.
Svetllana [295]

Answer:

100 Nm and 25Nm/s.

Explanation:

<u>Given the following data;</u>

Force = 25N

Distance = 4m

Time = 5secs

To find the workdone;

Workdone = force * distance

Substituting into the equation, we have;

Workdone = 25*4

Workdone = 100 Nm

To find the power consumed;

Power = workdone/time

Substituting into the equation, we have;

Power = 100/4

Power = 25Nm/s

The work done on the box is 100 Nm, and the power is 25 Nm/s.

5 0
3 years ago
Which step of the scientific methood do you perform after you state the problem
marshall27 [118]

After stating the problem, we form a hypothesis, or an explanation that can be tested.

8 0
3 years ago
In the apple-pulling-the orange sequence in this chapter, what is the force that accelerates the system across the floor?.
Montano1993 [528]

In the apple-pulling-the orange sequence in this chapter, the force that accelerates the system across the floor is;

Friction between the apple and the floor.

<h3>Frictional Force</h3>

The sequence talked about here is a system showing how an apple was pulling an orange that was located inside a moving toy.

Now, we know that there is usually a force that acts between a moving object and the floor and this force is called friction force.

Thus, the force that makes the apple to pull the orange with acceleration across the floor is called friction force between the apple and the floor.

Read more about Frictional Force at;brainly.com/question/13680415

8 0
2 years ago
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