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vodomira [7]
3 years ago
9

When conducting an experiment, researchers need to be aware of __(blank)__, or rules of conduct recognized in respect to the rig

htness or wrongness of certain actions on subjects.
A) IRB guidelines
B) Ethics
C) APA guidelines
Physics
2 answers:
polet [3.4K]3 years ago
7 0

Answer:

Explanation:

b

USPshnik [31]3 years ago
7 0
**Answer:** I believe it’s B. Sorry if it’s incorrect!
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Answer:

The velocity of the man from the frame of  reference of a stationary observer is, V₂ = 5 m/s

Explanation:

Given,

Your velocity, V₁ = 2 m/

The velocity of the person, V₂ =?

The velocity of the person relative to you, V₂₁ = 3 m/s

According to the relative velocity of two

                                V₂₁ = V₂ -V₁

∴                               V₂ =  V₂₁ + V₁

On substitution

                                 V₂ = 3 + 2

                                      = 5 m/s

Hence, the velocity of the man from the frame of reference of a stationary observe is, V₂ = 5 m/s

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