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Ksju [112]
3 years ago
8

Brainstorm and write at least 3 potential challenges or important points to consider when conducting the described

Physics
1 answer:
Rina8888 [55]3 years ago
4 0

Although you did not mention the "described data collection," we can help you answer in the following terms.

The three potential challenges or important points to consider when conducting data collection are:

1.- To correctly establish the specific information needed to get as a result of the research.

2.- The kind of methodology appropriate to get that expected data.

3.- The process needed to analyze and interpret that data.

- As well, it is of the utmost importance that the researcher considers the type of data compared to the budget needed to get it. Here, the budget should consider the cost of the collection process.

- Of course, the result of the process has to result in data that is valid and accurate, because that is the nature of a good research project.

Here we have to stress the relevance of the establishment of a good hypothesis to start the collection process, no matter the data collection methods used to get the data such as interviews, focus groups, observations, and so on.

We can conclude that collection data is a rigorous process that should be strictly followed to really obtain the kind of data needed to support the foundation of any research.

Learn more about this topic here:

brainly.com/question/14340459?referrer=searchResults

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One object (LaTeX: m_1m1) has a mass of 2 kg and moves with a speed of 9 m/s to the right. Another object (LaTeX: m_2m2) has a m
defon

Answer:

The correct answer is B

Explanation:

The moment of an object is the product of its mass by velocity, it is described by the equation

          p = mv

In this problem they give us the most body and speeds before and after the crash. We must define an environment with both bodies so that the forces during the crash have been internalized and the moment is preserved

         Δp = pf -p₀

         Δp = m v_{f} - m v₀

         Δp = 2 9 -2 1.5

         ΔP = 14.8 m/s

The correct answer is b

7 0
3 years ago
A rock of mass 0.340 kg is spun horizontally at the end of a wire that has a diameter of 1.00 mm. If the wire gets stretched by
borishaifa [10]

Answer:

Y = 78.13 x 10⁹ Pa = 78.13 GPa

Explanation:

First we will find the centripetal force acting on the wire as follows:

F = mv²/r

where,

F = Force = ?

m = mass of rock = 0.34 kg

v = speed = 19 m/s

r = length of wire

Therefore,

F = (0.34)(19)²/r

F = 122.74/r  

now, we find cross-sectional area of wire:

A = πd²/4

where,

A = Area = ?

d = diameter of wire = 1 mm = 0.001 m

Therefore,

A = π(0.001)²/4

A = 7.85 x 10⁻⁷ m²

Now, we calculate the stress on wire:

Stress = F/A

Stress = (122.74/r)/(7.85 x 10⁻⁷)

Stress = 1.56 x 10⁸/r

Now, we calculate strain:

Strain = Δr/r

where,

Δr = stretch in length = 2 mm = 0.002 m

Therefore,

Strain = 0.002/r

now, for Young's modulus (Y):

Y = Stress/Strain

Y = (1.56 x 10⁸/r)/(0.002/r)

<u>Y = 78.13 x 10⁹ Pa = 78.13 GPa</u>

8 0
3 years ago
Why do some scientists think that Irr II galaxies have irregular, distorted shapes?
laila [671]
They believe the distortions happened when two galaxies collided.

Hope This Helps :)
3 0
3 years ago
A certain radioactive nuclide decays with a disintegration constant of 0.0178 h-1.
umka21 [38]

Explanation:

Given that,

The disintegration constant of the nuclide, \lambda=0.0178\ h^{-1}

(a) The half life of this nuclide is given by :

t_{1/2}=\dfrac{ln(2)}{\lambda}

t_{1/2}=\dfrac{ln(2)}{0.0178}

t_{1/2}=38.94\ h

(b) The decay equation of any radioactive nuclide is given by :

N=N_oe^{-\lambda t}

\dfrac{N}{N_o}=e^{-\lambda t}

Number of remaining sample in 4.44 half lives is :

t_{1/2}=4.44\times 38.94

t_{1/2}=172.89\ h^{-1}

So, \dfrac{N}{N_o}=e^{-0.0178\times 172.89}

\dfrac{N}{N_o}=0.046

(c) Number of remaining sample in 14.6 days is :

t_{1/2}=14.6\times 24

t_{1/2}=350.4\ h^{-1}

So, \dfrac{N}{N_o}=e^{-0.0178\times 350.4}

\dfrac{N}{N_o}=0.0019

Hence, this is the required solution.

4 0
4 years ago
Lifetime activities are activities that can be __________.
Usimov [2.4K]

Answer:

A

Explanation:

Enjoyed for many years or decades.

6 0
3 years ago
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