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3 years ago

Why is honesty especially important in a scientist when the results of an experiment go against predictions❓❔

1 answer:

kramer3 years ago

8 0

Because other scientists and science in general rely on their collegues' research which in turn allows development of our knowledge on the given subject. The more dont-to-earth reason may be safety. If someone performs an experiment without knowledge of its true results it might result in some danger to the safety of those perforning it without knowledge of all the risks.

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Which type of mixture could this illustration represent?

shepuryov [24]

No i took the test and the answer is actually homogenous mixture

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2 years ago

Read 2 more answers

What is called gravitational potential energy?

konstantin123 [22]

Answer:

Potential gravitational energy is the energy that the body has due to the Earth's gravitational attraction. In this way, the potential gravitational energy depends on the position of the body in relation to a reference level.

Explanation:

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3 years ago

What causes a nucleus to become radioactive?

timurjin [86]

Answer:

Answer the strong nuclear force attracts and binds protons and makes the nucleus unstable

Explanation:

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3 years ago

Consider a steel cable with a diameter of 8.0 mm. Calculatethe stress in the cable when it holds a person weighing 850 N.Report

pishuonlain [190]

Answer:

stress = 16.9 MPa

Explanation:

The stress in the cable can be calculated as:

$\text{Stress = }\frac{F}{A}$

Where F is the force and A is the area. So, the area can be calculated as:

$A=\pi^{}\cdot r^2$

Where r is the radius. Since the radius is half the diameter, the radius is 4.0 mm and the area will be equal to:

$\begin{gathered} A=3.14(4\operatorname{mm})^2 \\ A=50.24\operatorname{mm}^2 \end{gathered}$

Then, replacing the force F by 850 N, and A by 50.24 mm², we get that the stress is equal to:

$\text{stress = }\frac{850N}{50.24mm^2}=16.9\text{MPa}$

Therefore, the answer is 16.9 MPa

7 0

1 year ago

GenaCL600 [577]

Answer:

I don't know about these problems

Explanation:

I don't know about these problems at all.

7 0

3 years ago