Physics High School

How long does a dream typically last near the end of the sleep cycle, just before waking?
A.
about 5 minutes
B.
about 15 minutes
C.
about 30 minutes
D.
about 50 minutes
pleaseeeee hurryy

Answers

Answer 1
The answer is C. about 30 minutes
Answer 2

Answer:

C) about 30 minutes

Explanation:

edge 2023

Related Questions

You are driving a car and are at a stop light. When the light turns green, you
step on the gas and accelerate at 6.Omi/hr2. Your final speed is 60 miles per
hour (mi/hr or mph). How much time did it take you to get to your final speed?

Answers

Answer:

t= 10 hr

Explanation:

v(final)=v(initial)+at

60 mi/hr= 0 mi/hr+ (6 mi/hr2)t

(60 mi/hr)/(6 mi/hr2)=t

t= 10 hr

What are the properties of a photon?

Answers

Answer:

Properties of a photon would be:

does not have a electric chargedoes not have a massphotons are stableknown to carry energy

Explanation:

Remember that photons are a quantum of light that carry energy while having no mass, they're used mainly in cameras and in other machinery that helps emit radiation.

Hope this helps.

What is the name of the convection
current in the atmosphere that cycles
between the equator and 30° N and
30° S?

Answers

Answer:

Hadley cells

Explanation:

Formation of Convection Currents

Atmospheric convection currents are global patterns of air movement that are initiated by the unequal heating of Earth. Hadley cells- the convection currents that cycle between the equator and 30˚ north and south.

A 350 kg motorcycle moves with a velocity of 30 m/s. What is its kinetic energy?
10500 Joules
c. 31500 Joules
b. 157500 Joules
d. 900 Joules

Answers

Answer:

C 31500

Explanation:

1/2mv*2=KE

k.e= 350× (30)*2

=350×900

k.e= 31500

It is d because you have to do 300 - 50 then take of the zero for 30.After that do 3x300 and you get 900

Help please like I mentioned before I suck at physics

Answers

.20 m/s is the answer

Answer:

.20 m/s

Explanation:

hope it helps

Calculate the volume of the following: (V=lwh)
A rectangular prism that is 10.0cm long, 4.0 cm wide, and 2.0 cm high.

Answers

Answer:

V= 80 cm^3

Explanation:

V= 10 * 4* 2

V= 80 cm^3

The force of something stronger than the muscles causes it to increase its tension as it
gets longer.

False
True

Answers

The answer is trueI just Finnishd

The force of something stronger than the muscles causes it to increase its tension as it gets longer is true.

What is force?

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Frictional force allows the ball to stay in the hand while muscular force is employed to stop the motion of the ball during catching. Throughout this activity, the Earth's gravitational pull on the ball is constant.

The force of something stronger than the muscles causes it to increase its tension as it gets longer is true.

To learn more about force refer to the link:

brainly.com/question/13191643

#SPJ2

To study the dependant variable, a scientist must A. manipulate the independent variable B. have more than one control group C. manipulate the dependent variable D. have more than one experimental group ​

Answers

Answer:

A

Explanation:

Answer:

A. manipulate the independent variable

A car is moving at 18 m/s when it accelerates at 8 m/s2 for 2 sec. What is his new velocity ?

Answers

Vf= at + Vi
Since at = 8m/s2 * 2 = 16m/s2
Vi=18m/s
=>Vf = 16m/s2 + 18m/s = 34m/s
So, the new velocity is 34m/s

Define Fundamental unit and Derived Unit

Answers

Fundamental can not be broken down to anything simpler ( Kg, m , s, etc)

Derived can be broken down to simpler, fundamental units

a hypothesis is
a- an experiment
b - a question
c - an educated guess ( an ' inference ;)
d - a conclusion

Answers

Answer:

D a conclusion

Explanation:

The definition of hypothesis is a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation

is c an educated guess because is a guess of what might happen in the experiment

what is the average velocity of a car that travels 30 kilometers due west in 0.50 hour

Answers

Divide the distance traveled (0.30 km) by the travel time (0.50 hrs) and get the speed in km/hr. The direction is due west. 60 km/hr west

The average velocity of a car that travels 30 kilometers due west in 0.50 hour - 60 km/hour west.

Average velocity is the displacement of an object with the time change. To find the average speed of an object we divide the distance travelled by the time elapsed.

Velocity is a vector quantity and average velocity can be found by dividing displacement by time.Average velocity is defined as the change in position or displacement (∆x) divided by the time intervals (∆t) in which the displacement occurs

Average velocity = ∆x/∆t

Then,

average velocity = 30/0.5

= 300/5

= 60

Thus, the correct answer would be - 60 km/hour west.

Learn more about:

https://brainly.com/question/862972

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