PHYSICS HIGH SCHOOL

An electron near the nucleus has __________ than an electron farther away.A. more energy
B. less energy
C. more mass
D. more speed

Answers

Answer 1
Answer:

Answer:

less energy

Explanation:

an electron near the nucleus has less energy than an electron farther away because the closer the electron orbit is to the nucleus, the lower the energy level and therefore the lower the potential energy it possesses . when electrons move farther away, they move unto higher energy orbitals and therefore gain more energy.

Answer 2
Answer: less energy, because the electron is being pulled in by the nucleus's attraction.

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What is it called when air particles spread apart?

Answers

When air particles bunch up, it's called a compression-rarefaction.
When the particles spread apart its called a rarefaction.

The earth is the _____ largest planet.
third
fourth
fifth
sixth

Answers

Answer: The earth is the fifth largest planet in the solar system.

Explanation:

We know that,

Jupiter is the first largest planet, Saturn is the second largest planet, Uranus is the third largest planet, Neptune is the fourth largest planet, Earth is the fifth largest planet and Venus is the sixth largest planet in the solar system.

Hence, The earth is the fifth largest planet in the solar system.

The earth is the fifth largest planet in our solar system.

A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside?

Answers


                       Potential energy  =  (mass) x (gravity) x (height)

                                   1,568 J  =  (40 kg) x (9.8 m/s²) x (height)

Divide each side
by 392 Newtons:           Height  =  (1,568 N-m) / 392 N

                                              =      4 meters . 

Answer:

B) 4.0m

Explanation:

How does inertia affect a person who is not wearing a seatbelt during a collision?

Answers

A person who is not wearing a seatbelt during a collision will be thrown forward because it maintains forward motion

Further explanation

In Newton's law, it is stated that if the resultant force acting on an object of magnitude is zero,  it can be formulated :

\large{\boxed{\bold{\Sigma F = 0}}}

then the object tends to defend itself from its state. So for objects in a state of movement, objects tend to move forever. Likewise, for objects in a state of rest, they tend to remain forever. The tendency of objects like this is called inertia

The size of inertia is proportional to mass, the greater the mass of the object, the greater the inertia of the object.

In objects with mass m that move translatively, the object will maintain its linear velocity

When we are in a vehicle that moves forward, then we will still maintain a state of forwarding motion. If our vehicle stops suddenly, then we keep moving forward so we will be pushed forward. From this point, the use of a safety belt serves to hold back our movements so that there are no fatal accidents or collisions.

Learn more

Newton's law of inertia

brainly.com/question/1412777

example of Newton's First Law of inertia

brainly.com/question/1090504

law of motion

brainly.com/question/75210

Keywords: inertia, Newton's First Law

The person not wearing the seat-belt during a collision may hit the dashboard of the car very hard and this injury might be fatal.

Explanation:

The inertia of a body is a property contained by the body by virtue of its mass. Higher the mass of a body, higher will be the inertia.

According to the Newton's first law of motion i.e. law of Inertia, a body continues to be in its state of rest or motion until and unless an external force acts on the body to change its state.

When a car is moving on a road, the car is in motion and the body of the person in the car is also in the motion along with the car. Now if the car faces any collision, the car will suddenly come to rest.

But the body of the person sitting in the car continues to be in motion as there is no external force acting on the body. If the person is not wearing the seat-belt, the body moves forward and the person may hit the dashboard very hard.

The seat-belt stops the person's body to move ahead and hit the dashboard. So, the seat-belt prevents the person from injury by stopping the body.

Thus, The person not wearing the seat-belt during a collision may hit the dashboard of the car very hard and this injury might be fatal.

Learn More:

1. The component of a lever brainly.com/question/1073452  

2. The kinetic energy of a body depends on brainly.com/question/137098

3. How long to walk 2000 miles brainly.com/question/3785992

Answer Details:

Grade: High School

Subject: Physics

Chapter: Laws of Motion

Keywords:

inertia, law of motion, newton's law, seat-belt, collision, wearing, dashboard, injury, external force, rest, motion.

Why does a compass point to the east or west of true north in different locations?

Answers

Because the Earth's true north pole and its magnetic north pole
are in different places.

See the attached picture that I whipped up for you.

What is the effect on Earth's atmosphere of a strong solar flare?

Answers

The Earth has a magnetic field which prevents the energetic charged particles (high-energy protons) and electromagnetic radiation (x-rays) to penetrate the Earth's atmosphere. However, despite the presence of magnetic field, there are still some noted effects of solar flare towards Earth. Solar flares cause the Earth's atmosphere to obtain high level of ions. There are also some disruptions in wireless communications when solar flares occurs. Another effect of solar flares which is considered of high beauty is the auroras. The magnetic field cannot prevent all charged particles produced from solar flares from penetrating the Earth's atmosphere. Some of this charged particles, specially the electrons, find their way at the poles, either the North or the South. These particles collide with the present particles in the atmosphere which causes friction among particles and glow. 
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