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
worty [1.4K]
3 years ago
10

REM sleep

Physics
1 answer:
zaharov [31]3 years ago
6 0

Answer:

Is when dreaming occurs

Explanation:

Rem sleep is when dreaming occurs, other stages of sleep are when beta and delta waves occur.

You might be interested in
A 8.00-kg object is hung from the bottom end of a vertical spring fastened to an overhead beam. The object is set into vertical
Alex_Xolod [135]

Answer:

109.32 N/m

Explanation:

Given that

Mass of the hung object, m = 8 kg

Period of oscillation of object, T = 1.7 s

Force constant, k = ?

Recall that the period of oscillation of a Simple Harmonic Motion is given as

T = 2π √(m/k), where

T = period of oscillation

m = mass of object and

k = force constant if the spring

Since we are looking for the force constant, if we make "k" the subject of the formula, we have

k = 4π²m / T², now we go ahead to substitute our given values from the question

k = (4 * π² * 8) / 1.7²

k = 315.91 / 2.89

k = 109.32 N/m

Therefore, the force constant of the spring is 109.32 N/m

8 0
3 years ago
A certain wave has a wavelength of 35 meters and a frequency of 4.0hz. What is the speed of the wave
defon
The speed of the wave is 140
3 0
3 years ago
If a 25 kg object is moving at a velocity of 10 m/s, the object has<br> energy. Calculate it.
Paul [167]

Answer: Your answer is 1250J

Explanation:

K E = 1/2 m v 2

The mass is  

m = 25 k g

The velocity is  v = 10 m s − 1

So,

K E = 1 /2 x25 x 10 2^2= 1250 J

pls mark brainiest answer  

4 0
3 years ago
A dog, that has a mass of 16 kgs, runs across a yard. What is the average force applied to the dog from the ground as it runs ac
VikaD [51]

Answer:

156.96 N

Explanation:

F=ma where m is the mass and a is acceleration

Substituting 16 Kg for m and 9.81 m/s2 for g then

F=16*9.81= 156.96 N

4 0
3 years ago
A student uses a spring loaded launcher to launch a marble vertically in the air. The mass of the marble is
GarryVolchara [31]

Answer:

Part a)

When spring compressed by 2 cm

H = 1.47 m

Part b)

When spring is compressed by 4 cm

H = 5.94 m

Explanation:

Part a)

As we know that the spring is compressed and released

so here spring potential energy is converted into gravitational potential energy at its maximum height

So we will have

\frac{1}{2}kx^2 = mg(H + x)

0.5(220)(0.02)^2 = 0.003(9.81)(H + 0.02)

so we have

H = 1.47 m

Part b)

Similarly when spring is compressed by 4 cm

then we have

\frac{1}{2}kx^2 = mg(H + x)

0.5(220)(0.04)^2 = 0.003(9.81)(H + 0.04)

so we have

H = 5.94 m

8 0
4 years ago
Other questions:
  • A 75-hp compressor in a facility that operates at full load for 2500 h a year is powered by an electric motor that has an effici
    7·1 answer
  • true or false:acceleration toward the center of a curved or circular path is called gravitational acceleration.
    13·1 answer
  • What is minnaloushe
    5·1 answer
  • What happens to the sound waves when the source of the sound is moving toward you
    14·1 answer
  • 3 objects that have gravitational potential energy?
    5·2 answers
  • Two fans are watching a baseball game from different positions. One fan is located directly behind home plate, 18.3 m from the b
    10·1 answer
  • A 1.60-kg object is held 1.05 m above a relaxed, massless vertical spring with a force constant of 330 N/m. The object is droppe
    8·1 answer
  • A body having mass 200g id moving with velocity 120m\s. What is its power​
    11·1 answer
  • An object is placed at O ona number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to
    5·2 answers
  • A standard drink is a unit of measurement. in the united states, a standard drink contains 0.6 fluid ounces of alcohol.which of
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!