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Strike441 [17]
3 years ago
15

How could you increase the potential energy of the roller coaster shown below?

Social Studies
2 answers:
sammy [17]3 years ago
7 0
Choice a and b
a; if the hiss is longer it lets the cart gain more energy and speed
b; the heavier the car, the faster it falls cause of gravitational pull
gayaneshka [121]3 years ago
7 0

Choice A and B is the correct answer. ^^^ Was correct

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From this graphic, we can conclude that:______.
zvonat [6]

Answer:D

Explanation:

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3 years ago
Erik observes that when he dresses in business casual, people seem more comfortable approaching him. He wants to know if this is
rosijanka [135]

Answer:

The best answer to the question: If Erik uses the scientific method to investigate this, what type of research would he be doing, would be, observational as full participant.

Explanation:

In observational research methods, a person simply tries to answer a question, or solve an issue, by literally observing and experimenting on the field, without making changes to what is around. The question, or issue, will be resolved as the researcher observes the development of certain characteristics that would prove, or disprove, the question being researched, or solve, or not solve, the problem for which an answer is being sought. In this case, Erik wishes to see if his previous experiences dressing in business casual attire will repeat themselves when he is in college, and so, he not only wishes to test the theory that people approaches him easily if he is dressed in business casual, rather than in another attire, but he will become the test subject himself, becoming thus, a full participant. Erik will then observe the results of his experimentation, and thus come to an answer to his query.

3 0
3 years ago
Social isolation and loneliness as risk factors for the progression of frailty: the English Longitudinal Study of Ageing
alina1380 [7]

Loneliness and social isolation have been linked with premature mortality and with functional decline in older people.

We found that high levels of loneliness, but not of social isolation, increased the risk of becoming physically frail.

Neither loneliness nor social isolation were associated with the rate of change in a more broadly defined frailty index.

Loneliness

Loneliness is a subjective feeling of dissatisfaction with one’s social relationships. Both social isolation and loneliness have been linked with increased mortality [2–4], incident heart disease [5, 6] and functional decline [7, 8]. Social isolation and loneliness tend to be correlated, albeit weakly .

Social isolation :

Social relationships are important for health . Most such research has focused on social isolation or loneliness. Social isolation is defined objectively using criteria such as having few contacts, little involvement in social activities and living alone.

Frailty :

Frailty is a clinical syndrome whose main feature is heightened vulnerability to stressors due to lowered physiological reserves, decline in the ability to maintain homeostasis and impairments in multiple systems

A frailty index score reflects the proportion of potential deficits present  The phenotype model defines frailty in physical terms, whereas the cumulative deficit model uses a broader definition of frailty.

Learn more about Social isolation :

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8 0
2 years ago
Germany’s invasion of which country started World War II?<br> Great Britain
anzhelika [568]

pls mark as brainlist

Explanation:

Poland

On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland from the east.

4 0
2 years ago
A criterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after
larisa [96]

The correct answer is A study in which subjects were assigned to study activities based on an undesirable or unflattering physical characteristic as assessed by members of the research team

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8 0
2 years ago
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