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
Nina [5.8K]
3 years ago
14

The brain is most active during which portion each sleep cycle

Physics
2 answers:
s2008m [1.1K]3 years ago
7 0
Its during REM sleep. hope this helped
kotegsom [21]3 years ago
3 0
R.E.M
Rapid Eye Movment
You might be interested in
What is the wavelength of an earthquake wave if it has a speed of 3 km/s and a frequency of 6 Hz?
disa [49]
Wavelength = c/f.
Wavelength =0.5km
8 0
2 years ago
43
Inga [223]

Answer is c, they are equal:

Explanation:

4 0
3 years ago
A light bulb can be all of the following except
Dennis_Churaev [7]

Answer: A light bulb can be all of the following except option C (a consumer product if it is used to light the office of the board of directors.)

Explanation:

Products are classified as being BUSINESS or CONSUMER products according to the buyer's intended use of the product.

-Consumer products: these are sold goods that are used for personal, family, or household use. The intention of the buyer is for the products to satisfy his personal needs and desires. Example of some of the consumer products include: toothpaste, eatables and clothes.

Business products: products that are not for personal use but for the manufacturing of other goods are called business products.

Therefore a bulb is not serving as a personal use when used to light the office of the board of directors rather it's serving as a business product .

3 0
3 years ago
Question 33
pantera1 [17]

Answer:

A. The waves in the water travel faster and at a higher frequency than they travel on land.

Explanation:

The main reason why human ears can hear dolphins' vocalizations while under the water but cannot hear them well on land is because water is denser than air and air particles travel faster in denser particles.

Denser particles also ensures that the frequency of the waves move faster which in turn produces a faster and louder result.

3 0
2 years ago
High-speed stroboscopic photographs show that the head of a 210-g golf club is traveling at 56 m/s just before it strikes a 46-g
tamaranim1 [39]

Explanation:

It is given that,

Mass of golf club, m₁ = 210 g = 0.21 kg

Initial velocity of golf club, u₁ = 56 m/s

Mass of another golf ball which is at rest, m₂ = 46 g = 0.046 kg

After the collision, the club head travels (in the same direction) at 42 m/s. We need to find the speed of the golf ball just after impact. Let it is v.

Initial momentum of golf ball, p_i=m_1u_1=0.21\ kg\times 56\ m/s=11.76\ kg-m/s

After the collision, final momentum p_f=0.21\ kg\times 42\ m/s+0.046v

Using the conservation of momentum as :

p_i=p_f

11.76\ kg-m/s=0.21\ kg\times 42\ m/s+0.046v

v = 63.91 m/s

So, the speed of the  golf ball just after impact is 63.91 m/s. Hence, this is the required solution.

3 0
3 years ago
Other questions:
  • A rubber ball filled with air has a diameter of 24.2 cm and a mass of 0.459 kg. What force is required to hold the ball in equil
    11·1 answer
  • If an object with charge -3 nC moves from a location that has a potential of -20 V to a location with a potential of -10 V, what
    7·1 answer
  • How do you convert mass to weight and visa versa
    7·2 answers
  • The total number of stars in the observable universe is roughly equivalent to:
    10·1 answer
  • What is an isotope?
    6·1 answer
  • Elements have the same number of ______ as you move from left to right
    15·2 answers
  • Man made objects that spread an impulse over a large amount of time
    11·1 answer
  • Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1200 kg and was approaching at
    11·1 answer
  • A standard frequency for tuning musical instruments is 440 Hz for the pitch of A, denoted A4. What is the length, in meters, of
    6·1 answer
  • • List four uses of the concave mirror.<br> State five uses of lenses in everyday activities
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!