PHYSICS HIGH SCHOOL

What happens to light inside of a prism

Answers

Answer 1
Answer: If light pass through a prism, it will undergone a process called dispersion.
Dispersion refers to a phenomenon when a certain electromagnetic wavelength is separated into different constituencies.
When light enter prism, it will bend and separated which creates various colors as it passed through.
Answer 2
Answer: The white light is separated into its component colors - red, orange, yellow, green, blue and violet. The separation of visible light into its different colors is known as dispersion.

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MIDDLE SCHOOL

Define wheel and axle in science terms

Answers

Answer:

A simple machine consisting of an axle to which a wheel is fastened so that torque applied to the wheel winds a rope or chain onto the axle, yielding a mechanical advantage equal to the ratio of the diameter of the wheel to that of the axle.

HIGH SCHOOL

A former student of mechanics wishes to weigh himself but has access only to a scale a with capacity limited to 120 lbs and a small 20-lb spring dynamometer b. with the rig shown he discovers that when he exerts a pull on the rope so that b registers 16 lb, the scale a reads 100 lb. what is his correct weight?

Answers

Answer:

The answer to the question is

The correct weight of the former student = 116 lbf

Explanation:

To solve the question, we list out the known variables as follows

Capacity of the scale = 120 lbs

Capacity of the spring dynamometer = 20 lbs

Reading on the scale = 100lb

Reading on the spring dynamometer= 16 lb

at equilibrium, sum of forces = 0

Therefore weight of former student = reaction forces of the scale + the reaction force of the spring dynamometer = 100lb + 16 lb = 116 lb

The correct weight = 116lb weight or 52.62 kg

Converting to weight which is a force = mass * acceleration = 52.62 kg * 9.81 m/s² =

516.2 N = 116 lbf

MIDDLE SCHOOL

Which of the following is a process that occurs at divergent boundaries? -----------
1. Formation of continental crust
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2. Magnetic Reversals
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3. Recycling of Crustals Material
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4. Formation of Mid-Ocean Ridges

Answers

The appropriate answer is 4. The formation of Mid-Ocean ridges. There are two types of divergent margins: continental separation and oceanic floor spreading. Where the sea floor separates magma upwells and new oceanic crust is formed. Mid ocean ridges are home to hydrothermal vents. These support a unique ecosystem of marine organisms. The Mid- Atlantic Ridge where the African and Eurasian plates separate from the North and South American plates.
HIGH SCHOOL

Adam takes a bus on a school field trip. The bus route is split into the five legs listed in the table. Find the average velocity for each leg of the trip. Then arrange the legs of the trip from highest velocity to lowest Leg Distance (km) Time (min)
A 18 9
B 25 15
C 24 8
D 48 12
E 15 7

Answers

The answer is:

VA= 33 m/S

VB= 27.8 m/s

VC= 50 m/s

VD=66.7 m/s

VE=35.7 m/s

So, the Legs from the highest velocity to the lower are:

D - C - E - A - B


The explanation:

we are going to use the velocity formula:

Velocity = distance (m) / time (s)

So,

A) when D = 18 Km = 18000 m

and t = 9 min = 9*60 =540 s

So V = 18000m/ 540 S

       = 33 m/S

B) when D = 25 Km = 25000 m

and t = 15 min = 15 * 60 = 900 S

So V = 25000m / 900S

      = 27.8 m/s

C) when D = 24 Km = 24000 m

and t = 8 min = 8 * 60 = 480 s

So V = 24000m / 480s

      = 50 m/s

D) when D = 48 Km = 48000 m

and t = 12 min = 12 * 60 = 720 s

So V = 48000 m / 720s

        =66.7 m/s

E) when D = 15 km = 15000m

and t = 7 min = 7 * 60 = 420 s

So V = 15000m / 420s

       = 35.7 m/s

D
C
E
A

That's the answer from highest to lowest
MIDDLE SCHOOL

Kinematic Equations: An object is moving 2m/s experiences an acceleration of 3m/s^2 for 8 seconds. How far did it move in that time?

Answers

d = vt + ½at^2 = 2 *8 + ½*3*8^2 = 112 m

MIDDLE SCHOOL

A hooked weight is suspended by two wires. The gravitational force acting on the weight is 1.0N,downward. Is it possible for the two wires to exert forces that have magnitude of 0.60 N and 0.70 N on the hooked weight?

Answers

Search Google to find answet
MIDDLE SCHOOL

Summarize the history of radioactivity by choosing the scientist(s) involved with each discovery. conducted experiments with uranium-containing minerals and pure uranium. came up with the term “radioactivity.” showed that uranium in a mineral gave off radiation even without being exposed to the Sun. discovered radium and polonium. conducted experiments with fluorescent minerals and photographic plates.

Answers

Marie and Pierre Curie - conducted experiments with uranium-containing minerals and pure uranium.

Marie and Pierre Curie - came up with the term “radioactivity.”

Antoine Henri Becquerel- showed that uranium in a mineral gave off radiation even without being exposed to the Sun.

Marie and Pierre Curie - discovered radium and polonium.

Antoine Henri Becquerel- conducted experiments with fluorescent minerals and photographic plates.


Answer:

✔ Marie and Pierre Curie

✔ Marie and Pierre Curie

✔ Antoine Henri Becquerel

✔ Marie and Pierre Curie

✔ Antoine Henri Becquerel

HIGH SCHOOL

The principal reason voltage is induced in the loops of a generator coil is that the a. loops are rotating, changing the amount of magnetic field within the loops.
b. size of the loops is changing.
c. magnet's strength is changing.
d. magnet is rotating. E. all of the above

Answers

The principal reason voltage is induced in the loops of a generator coil is that the loops are rotating, changing the amount of magnetic field within the loops. The answer is letter A. For example, in a circuit, the electrons in the bulb will not move without the potential difference or voltage. When there is voltage, electric current occurs because there is a driving force for the electrons in the wire to move.

MIDDLE SCHOOL

Are people renewable?

Answers

No, people are not. A contract is, but people are not. 
I believe not because when someone is dead...what could that dead body be turned into
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