PHYSICS HIGH SCHOOL

What kind of energy does a rubber band have when it is stretched? A.
elastic potential energy

B.
gravitational potential energy

C.
kinetic energy

D.
chemical energy

Answers

Answer 1
Answer: the answer is obviously a because a rubber band uses elastic energy
Answer 2
Answer:

Answer:

The answer is A.

Explanation:

It's correct in Аpex

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The bending of waves around the edge of a barrier is known asa. reflection.
b. refraction.
c. diffraction.
d. interference.

Answers

The answer is C. The bending of waves around the edge of a barrier is called diffraction. It is any phenomena which happens when a wave energy meets an obstacle or a slit. Examples of this are the tracks on a CD act as a grating to form a rainbow pattern in the disk, a hologram on a card, resolution limits on cameras and microscope.

The bending of waves around the edge of a barrier is known as diffraction (Option C)

How do i know which option is correct?

To know which option is correct, we shall define the given options. This is shown below:

Reflection of a wave is simply defined as the bounce back of a wave without a change in the properties of the wave

Refraction is the change in the properties of a wave as it travel from one medium to another.

Diffraction is a property of wave which is defined as the bending of light around the edge of obstacle or barriers.

Interference is the combination of waves to form an entirely different wave with either a reinforce or destructive displacement.

With the above definitions, we can conclude that the correct answer to the question is diffraction (option C)

Learn more about diffraction of wave:

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1 Determine the wavelength, frequency, and amplitude for each wave.2. Sprays as
Summarize it!
c The
Time Elapsed: 45
D
-0.5 m
10 m
15 m
20 m
0.5 m
I. 0.5 m

Answers

Answer:

cbccfggssdaffzftyrd

Please help, question is timed...

Answers

Answer:

65

Explanation:

50+3*5

What is the difference between alternating current and direct current?A. Alternating current regularly reverses direction. Direct current flows in only one direction.

B. Alternating current flows in only one direction. Direct current regularly reverses direction.

C. Direct current requires insulators, but alternating current does not.

D. Alternating current requires insulators, but direct current does not.

Answers

The answer is A. Alternating current regularly reverses direction. Direct current flows in only one direction.

The radius of the planent venus is nearly the same as that of the earth,but its mass is only eighty percent that of the earth. If an object weighs w on the earth,what does it wiegh on venus

Answers

Size, Mass and Orbit:

Whereas Earth has a mean radius of 6,371 km and a mass 5,972,370,000 quadrillion kg, Venus has a mean radius of about 6,052 km and a mass of 4,867,500,000 quadrillion kg. This means that Venus is roughly 0.9499 the size of Earth and 0.815 as massive.Apr 7, 2016

Volume: 10.8321×10 km 9.2843×10 km

Mean Radius: 6,371.0 km 6,051.8 ± 1.0 km

Gravity: 9.8 m/s2 8.87 m/s

The first hominine in the genus Homo was named Homo habilis because evidence indicates that members of the species used

Answers

Homo Habilis was a secies of the tribe Hominini, which lived between 2.4 and 1.5 million years ago. His name means "handy man" or "able man". Homo habilis was short, with disproportionately long arms compared to modern humans. His remains are often acompanied by primitive stone tools. Answer: The species was nemed because evidence indicates that members of the spieces used stone tools.

22. anatomy

24. tools
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