1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mashutka [201]
3 years ago
10

Which stage of sleep usually comes before REM sleep

Physics
2 answers:
kumpel [21]3 years ago
7 0
Stage 4





Hope this helps
ZanzabumX [31]3 years ago
6 0
After stage 3 sleep, stage 2 sleep is repeated before entering REM sleep.

On average, we enter the REM stage approximately 90 minutes after falling asleep. The first cycle of REM sleep might last only a short amount of time, but each cycle becomes longer. REM sleep can last up to an hour as sleep progresses.

Most likely it would be C, Hope this helps!
You might be interested in
The climate of the earth throughout history has always _____.
Vlad [161]

Answer:

The climate of the earth throughout history has always been <em><u>fluctuated between hot and cold periods. </u></em>

7 0
3 years ago
Read 2 more answers
9. If everything in the universe – including atoms and particles stop moving, does time stop? Or does time continue even if ever
Vedmedyk [2.9K]
Time stops everything is made out of atoms so if atoms freeze everything freezes
5 0
3 years ago
How can a person detect infrared rays without an instrument?
natita [175]
So we want to know how can we detect infrared rays without an instrument. Infrared rays or heat, are a part of electromagnetic spectrum. We have specialized nerve cells in our skin called thermoreceptors that can detect differences in temperature that are produced by infrared part of EM spectrum.
7 0
3 years ago
Read 2 more answers
Which equation states Newton's second law?
Delicious77 [7]

Answer:

It's actually

F=ma

Force=Mass x Acceleration

So...when we inverse it..

It becomes:

B. a= F/m

5 0
3 years ago
Ted William drops a ball from 14.5 meter to a desk that is 1.9 meters tall. What is the final speed of the ball right before it
makkiz [27]

Answer:

15.7m/s

Explanation:

To solve this problem, we use the right motion equation.

 Here, we have been given the height through which the ball drops;

 Height of drop = 14.5m - 1.9m  = 12.6m

The right motion equation is;

      V²  = U² + 2gh

V is the final velocity

U is the initial velocity  = 0

g is the acceleration due to gravity  = 9.8m/s²

h is the height

  Now insert the parameters and solve;

       V² = 0² + 2 x 9.8 x 12.6

      V²  = 246.96

       V = √246.96  = 15.7m/s

4 0
3 years ago
Other questions:
  • How would the absence of gravity affect the formation of planets?
    11·2 answers
  • Which one of the following is NOT a simple machine?
    14·1 answer
  • The anther and filament are parts of a flower's:
    15·2 answers
  • Green light has a lower frequency than blue light. Which color of light has a longer wavelength?
    8·2 answers
  • A Blu-ray disc is approximately 8 centimeters in diameter. The drive motor of the Blu-ray player is able to rotate up to 10,000
    6·2 answers
  • What is physical quantity​
    10·2 answers
  • Ions form bonds by __________ electrons.
    12·2 answers
  • Name ten scalar quantity and explain them ​
    8·1 answer
  • How can spectroscopy and infrared technology be useful in space? (5 points)
    7·1 answer
  • Please can anybody tell me what is this lab equipment​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!