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zhannawk [14.2K]
3 years ago
14

Which statement is TRUE about the factors affecting physical fitness?A.

Physics
1 answer:
seropon [69]3 years ago
6 0

Answer:

D

Explanation:

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what happens when light travels from one medium to another with a different index of refraction at a zero degree angle of incide
zaharov [31]

Answer:

No Refraction takes places

Explanation:

When light travels from one medium to another at an angle of incidence 0 degree then no refraction takes place .

It is because according to Refraction law

                    n_{i}sini = n_{r}sinr

where n_{i} ,n_{r} are the refractive index of medium of incidence and medium of refraction .

When i = 0 , left side of the equation becomes 0 and thus r (angle of refraction) must be zero. So No refraction takes place

4 0
3 years ago
Read 2 more answers
In two or more complete sentences, explain how you can prove that the number of degrees that the Moon rotates around the Earth e
sasho [114]
 A close representation of the moons motion around earth is that it moves around the earth once in 27.3 days. the moons average movement is 13.2 degrees per day so around 92 per week.   

Hope this helps!   



5 0
3 years ago
What is the slope of the line if the rise of a line on a distance versus-time graph is 900 meters and the run is 3 minutes?
Alexandra [31]
600/3 = 200
the slope is 200m/min
 
OR

600/ (3/60) =
600 x 60/3 =
600 x 20 = 12,000 meters per hour 

6 0
3 years ago
The nucleus of an atom contains a. only neutrons b protons and neutrons
nata0808 [166]
B. protons and neutrons
3 0
3 years ago
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5. What is the speed of a wave in a spring if it has a wavelength of 10 cm and a period of 0.2s
eimsori [14]

Explanation:

speed of wave

v = wavelength x frequency

since frequency is f = 1/Period then

v = wavelength : Period

v = 10 cm/ 0.2 s = 50 cm/s

v = 0.5 m/s

7 0
3 years ago
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