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nevsk [136]
3 years ago
14

Dr. Matthews has submitted a proposal to the institutional review board (IRB) of a university. At this university, she intends t

o conduct research on the socialization patterns of students from foreign countries. In the context of ethics guidelines, the IRB at the university will decide
Physics
1 answer:
OlgaM077 [116]3 years ago
6 0
The IRB at the university will decide whether her study meets ethical guidelines before it is initiated. The importance of these codes of conduct is to safeguard research participants, the status of psychology and the researchers or psychologists themselves. Moral issues hardly yield a simple, unequivocal, right or wrong answer. It is consequently often a matter of judgment whether the research is justified or not. For instance, it might be that a study roots psychological or physical uneasiness to participants, maybe they agonize pain or maybe even come to solemn harm.
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A vector has an x component of -27.5 units and a y component of 41.4 units. Find the magnitude and direction of this vector. mag
evablogger [386]

Answer:

a.) magnitude __49.7__ unit(s)

b.) direction __123.6°_  counterclockwise from the +x axis

Explanation:

Let Vector is v

x-component of Vector v = x = -27.5 units   (minus sign indicate that x-component is along the minus x-axis )

y-component of Vector v = y = 41.4 units

Magnitude of v = ?

Direction of v = ?

To find the magnitude of the vector

                                     v =\sqrt{x^{2}+y^{2}  }  

                                     v = \sqrt{-27.5^{2}+41.4^{2} }

                                     v = 49.7 units  

To find direction

                                 θ = tan⁻¹(y/x)

                                 θ = tan⁻¹(41.4/-27.5)

                                 θ = -56.4°

This Angle is in the clockwise direction with respect to -x axis.

We need to find Angle counterclockwise from the +x axis.

So,

                                 θ = 180° - 56.4°

                                 θ = 123.6°                

The given vector is in 2nd quadrant

4 0
4 years ago
What are the sources of air pollution that originate from smelting plants and paint?
neonofarm [45]

Answer:

e e e e e e e e e e i have to write and i dont know what i could write

8 0
3 years ago
Liquids with convex meniscus​
kobusy [5.1K]

Mercury in a glass tube.

7 0
3 years ago
13) A pendulum of mass M, length L, amplitude A, and on the earth with acceleration due to gravity of g has a period T. How long
lara31 [8.8K]

Answer:

4L

Explanation:

mass of pendulum = M, length of pendulum, L1 = L,

acceleration due to gravity = g, Amplitude = A

Use the formula for the time period for simple pendulum

T = 2\pi \sqrt{\frac{L}{g}}     ..... (11)

Let the new length be L2 for which the time period is 2T.

2T = 2\pi \sqrt{\frac{L_{2}}{g}}          ..... (2)

Divide equation (2) by equation (1)

\frac{2T}{T} = \sqrt{\frac{L_{2}}{L}}

So, L2 = 4 L

Thus, the length of the pendulum is 4 L.

7 0
4 years ago
What is a<br> physical<br> property of<br> snowflakes?
zysi [14]
The shape of the snowflake is determined broadly by the temperature and humidity at which it is formed. Rarely, at a temperature of around −2 °C (28 °F), snowflakes can form in threefold symmetry — triangular snowflakes. Most snow particles are irregular in form, despite their common depiction as symmetrical.
4 0
3 years ago
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