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Over [174]
3 years ago
13

Which type of force is the one of the greatest enemies of athletes in the olympic winter games? in what other situations does th

is force exist outside of the world of sports?
Health
2 answers:
Reika [66]3 years ago
7 0
It's frictional force
sweet-ann [11.9K]3 years ago
7 0

Answer:

Drag, or atmospheric resistance, is one of the greatest enemies of athletes in the Olympic Winter Games. Drag is a kind of friction that opposes athletes' movements through the air and slows them down. However, drag doesn't just affect athletes; it acts on any object moving through the air. I’ve noticed the effects of drag on cars. Newer cars with aerodynamically shaped fronts are less affected by drag than older cars with large, flat fronts. An aerodynamic shape reduces the drag by curving the air around the body of the car. The same principle applies to other vehicles too. For motorbikes, airplanes, and even ships, engineers try to design a shape that will keep drag at a minimum.

Explanation:

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Student's t-test

Explanation:

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It is the most appropriate method for comparing two groups with a continuous variable. Forms of Student's t-test are the paired t-test, unpaired t-test, single sample, etc.

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Read 2 more answers
A prefilled syringe contains 50 mg of phenylephrine hydrochloride per 5 ml of injection. what is the percentage concentration?
Mariana [72]

According to the question, the actual percentage concentration of phenylephrine hydrochloride is 1.

<h3>What is Percentage concentration?</h3>

Percentage concentration may be defined as a type of measurement of the amount of solute dissolved in every 100 units of solution.

According to the question, the amount of phenylephrine hydrochloride = 50 mg.

The volume of injection = 5 mL.

Percentage concentration = \frac{0.05 * 100}{5} = 5/5 = 1.

Therefore, according to the question, the actual percentage concentration of phenylephrine hydrochloride is 1.

To learn more about Percentage concentration, refer to the link:

brainly.com/question/24472946

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