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velikii [3]
3 years ago
9

How much physical activity do adults need?

Physics
2 answers:
serg [7]3 years ago
8 0
30? Physical activity
frutty [35]3 years ago
8 0
Aerobic activity. Get at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity a week, or a combination of moderate and vigorous activity.
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What is the value of sin r and sin i in physics​
taurus [48]

Answer:

★The second law of refraction

The ratio of sine of angle of incidence to the sine of angle of refraction is a constant for a light of given colour and for a given pair of media. This law is also called Snell's law of refraction. If 'i' is the angle of incidence and 'r' is the angle of refraction then, Sin i/Sin r = constant

This constant value is called the refractive index of the second medium with respect to the first.

7 0
3 years ago
I need help!!!!<br> Please and thank u!
alexandr1967 [171]

Answer:

False

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Explanation:

5 0
3 years ago
A woman flies 300 kilometers north, 200 kilometers west, and 500 kilometers south. How far is she from her starting point?
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She is
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3 years ago
What are the three stages of matter and how?​
n200080 [17]

Answer:

Solid, Liquid and Gas

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ipn [44]
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