PHYSICS HIGH SCHOOL

One property that makes electromagnetic waves differ from other types of waves is that they canmove particles in a medium

travel in a vacuum

transfer energy

create a disturbance

Answers

Answer 1
Answer: Create a disturbance

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All of the following are electromagnetic waves excepta. X rays.
b. sound waves.
c. gamma rays.
d. radio waves.

Answers

Sound waves are longitudinal waves. All are the examples of Electromagnetic waves except the sound wave.

EM Waves:

EM waves are transverse waves means the propagation of the wave is the perpendicular the the wave oscillation.

Sound waves:

These are the longitudinal waves because the propagation of the wave is parallel to the vibration of particles.

  • It needs medium like air and water.
  • Its speed is very lesser than speed of EM wave.

Therefore, all are the examples of Electromagnetic waves except the sound wave.

To know more about sound wave,

brainly.com/question/21995826
b. sound waves
Sound waves need to travel through a medium such as a solid, liquid, or gas. The sound waves move through each of these mediums by vibrating the molecules in the matter. This means it isn't an electromagnetic waves but it is a wave, an example of the difference, all electromagnetic waves can travel in a vacuum at the universal speed limit, this is 299 792 458 m/s.

The nucleus of some isotopes will spontaneously undergo nuclear decay. These isotopes are said to be radioactive. what causes the nucleus of an isotope to be radioactive? Question 17 options: A. the net charge of the atom B. the attraction of protons to electrons C. an unstable ratio of protons and neutrons exposure to toxic chemicals D. too many electrons in its orbitals

Answers

Answer:The correct answer is option C.

Explanation:

Nuclear decay is shown by those nucleus in which there is an imbalance between the number of neutrons and protons.

  • If the ratio of neutrons to proton is 3:2 than it is a stable nucleus.
  • If the ratio of neutrons to protons is not 3:2 than the nucleus will said to be unstable nucleus and it will undergo nuclear decay in order to gain stability.

Hence, the correct answer is option C.
If a atom is raidoactive or unbalanced, Instability of a atom's nucleus may result form excess of either neutrons orprotons. Which means the answer is letter C

What is Newtons second law of motion?

Answers

The acceleration of an objection is directly proportional to the magnitude of the net force, in the same direction of the net force, and inversely proportional to the mass.

Hello there!

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓↓↓

Newton's second law of motion states that the total net force acting on an object is equal to mass times acceleration.

Newton's second law of motion formula:

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

F=force=newtons=kg*(m)/(s^2)

M=mass (kg)

A-acceleration ((m)/(s^2))

F=ma

M=f/a

A=f/m

For example:

↓↓↓↓↓↓↓↓↓↓↓

Calculate the force needed to accelerate an object to 4.3 m/s². The object has a mass of 2.2 kg. Round the answer to the nearest tenth.

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

A= 4.3 m/s²

M= 2.2 kg

F=??

F=ma

2.2 kg (4.3 m/s²)=9.46=9.5N

Answer⇒⇒⇒⇒⇒9.5N

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The statement, "Energy can neither be created nor destroyed, but can change from one form to another," is what law?

Answers

In chemical reaction, atomsalways are rearranged. They are never destroyed or created because it wouldcontradict the law of conservation of energy. The law of conservation of energystates that energy can neither be created nor destroyed, but can change fromone form to another. Also it cannot be neutralized. Resulting in one cannot bepart of a chemical reaction. An example of this is the reaction HCl + NaOH-> NaCl + H2O. the reactants and products are not created, they are justformed into another substance.

What is the rate at which electrical energy is converted into another form

Answers

The RATE of producing, moving, converting, or using energy is "power".
The unit is "watt".  1 watt means 1 joule of energy per second.

Answer:

electric power

Explanation:

Which of the following are pure substances?a. solutions
b. compounds
c. homogeneous mixtures
d. colloids

Answers

The pure substances are c. homogenous mixtures
I think it's C hope this help
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