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vodka [1.7K]
3 years ago
7

Which part of the central nervous system controls reflexes?

Physics
2 answers:
jonny [76]3 years ago
7 0

Answer:

none of these

Explanation:

what actually controlls reflexes is the brain stem

larisa86 [58]3 years ago
6 0

Answer:

spinal cord becuse it does all of the reflexes

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Please answer all of these questions for brainly!
Nana76 [90]
Answer:

1. C
2. B
3. D
4. A
3 0
3 years ago
Select the correct answer. The motion of a car on a position-time graph is represented with a horizontal line. What does this in
enyata [817]

If the car's motion appears as a horizontal line on a <u><em>position-time </em></u>graph, it shows that as time changes, the car's position doesn't change.

This is just a complicated way to say that the car is <em>not moving</em>.<em> (A)</em>

7 0
3 years ago
How does the Earth's rotation affect our view of stars?
rodikova [14]

you only see the stars once every twenty for hours so you can have daylight so because of Earth's rotation you only see the stars for a certain amount of hours

Explanation:

the Earth makes a full rotation so that's why my answer is what it is

5 0
2 years ago
Light of wavelength 441.1 nm falls on two slits spaced 0.29 mm apart. What is the required distance from the slits to the screen
pshichka [43]

Answer: R = 0.131 m

Explanation: The formulae for the distance between a fringe and the first (center) is given by

y = R×mλ/d

Where y = distance between first and nth fringe = 4mm = 4×10^-3m

λ = wavelength of light = 441.1nm = 441.1×10^-9m

R = distance between slits and screen =?

d = distance between slits = 0.29mm = 2.9×10^-4m

4×10^-3 = R ×2 ×441.4×10^-9/ 2.9×10^-5

Hence R = (4×10^-3) ×(2.9×10^-5)/2×441.4×10^-9

R = 1.16 × 10^-7/8.828×10^-7

R = 1.16/8.828

R = 0.131 m

8 0
3 years ago
2. The motion of roller coasters depends upon the conversion of potential
Gnesinka [82]

Answer:

58,800 Joules

Explanation:

I used the formula for Potential energy which is PE = mgh

200 kg x 9.8 m/s^2 x 30 m = 58,800 J

At the very tops of the rollercoaster is maximum PE which is 58,800 J and 0 J of KE, but at the very bottom is maximum KE (kinetic energy) which is 58,800 Joules but 0 J of PE. This is because energy can not be destroyed ONLY converted

3 0
3 years ago
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