Answer:
D.Age
Because you usually hang out with people around your age.
<u>A projectile is launched from the top of a 15 m tall building at a speed of 25ms at an angle of 50° above the horizontal. The horizontal distance from the base of the building to where the projectile lands is most nearly</u>
Don’t press the link if might have a virus or cookies
Answer:
The correct answer is The study has a problem with the External validity
Explanation:
External validity in research terms is the validity the research has in the outside world or in the applied social reality of the field of study, it is the extent in which the results and conclusions of the study can be applied and generalized to ohter external factors, therefore in this case, when the researchers did the experiment only with motivated volunteers did not take into account that people outside may not have the same motivation, therefore the results may not be the same in the external social reality and thus having problems with the external validity.
Answer:
The answer is to report accurate results
B.