What is potential energy?

Answers

Answer 1
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors

Related Questions

A vehicle starts to move from the rest gets an acceleration of 5 m/s2 within 2
seconds. Calculate the velocity and distance covered by the vehicle within the given time.

Answers

Answer:

I. Final velocity, V = 10m/s.

II. Distance, S = 10m.

Explanation:

Given the following data:

Acceleration = 5m/s²

Time = 2 seconds

Since the vehicle starts from rest, initial velocity = 0m/s

To find the final velocity, we would use the first equation of motion.

V = U + at

Substituting into the equation, we have

V = 0 + 5*2

V = 0 + 10

V = 10m/s.

Now, to find the distance covered, we would use the second equation of motion.

S = ut + ½at²

S = 0*2 + ½*5*2²

S = ½*5*4

S = 20/2

S = 10m

Calculate the impulse on a baseball hit by a bat with a force of 50N during
a time interval of 0.02s.

(with solution)

Answers

Answer:

1

Explanation:

Impulse = change in momentum = force x change in time

50 x 0.02 = 1

If a baseball is hit by a bat with a force of 50N during a time interval of 0.02s. Then the impulse on the baseball is 1 N s.

What is impulse?

An impulse is a quantity that measures the change in momentum of an object. It is defined as the product of force and time, and it is measured in units of Newton seconds (N s) or kilogram meters per second (kg m/s). The impulse experienced by an object is equal to the change in momentum that occurs when a force is applied to it for a specific period of time.

Impulse is practically applied in various areas of physics and engineering. Here are a few examples:

Sports: Impulse is a crucial factor in many sports, especially those that involve hitting or throwing objects. In sports like baseball, cricket, and golf, the force and time of impact determine the ball's momentum and trajectory.

Transportation: The impulse experienced by vehicles during a collision is used to determine the forces that act on the occupants. This information is used to design safety features such as airbags and crumple zones.

Engineering: In mechanical engineering, impulse is used to design machines that can produce large forces over short periods. For example, hydraulic presses use a large force over a short period to shape metal or other materials.

Physics: Impulse is a fundamental concept in physics, particularly in the study of collisions and the conservation of momentum. The impulse-momentum theorem is a fundamental law of mechanics that relates the change in momentum of an object to the impulse applied to it.

Here in the Question,

The impulse on the baseball can be calculated using the formula:

Impulse = Force x Time

Given that the force is 50 N and the time interval is 0.02 s, the impulse can be calculated as follows:

Impulse = 50 N x 0.02 s

Impulse = 1 N s

Therefore, the impulse on the baseball is 1 N s.

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9. When we see the color of an object it absorbs all of the light colors except? _________________
The color it reflects The color it absorbs White light

Answers

it absorbs all ligj colour except black

Which object has the most kinetic energy? A. Object 1 B. Object 2 C. Object 3 D. Object 4

Answers

Answer:

the answer is A because it has the least number but high in energy

2.2 State the dependent variable.

Answers

Answer:

The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable. An example of a dependent variable is depression symptoms, which depends on the independent variable

Explanation:

I HOPE FOR A GOOD RESPONSE

HAVE A NICE DAY

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Answers

Answer:

the applied force is greater than the force of friction

Explanation:

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Answer:

hi!

Explanation:

The answer is option b.

A box can definitely not move on it's own unless an external force is applied i.e muscular force. If the applied force would have been less than the force of friction then the box would have never displaced. But, since the box is able to move, we can imply that, the applied force is greater than the frictonal force leading in the displacement of the box.

Two charged particles held close together are released. As they move, the force on each particle increases. Therefore, the particles have _________.

Question 3 options:
A. Opposite Charges
B. Like Charges
C. No Charge

Answers

The two charged particles will have Opposite charge.

What is coulomb's law?

According to Coulomb's law: The magnitude of each of the electric forces with which two point-at-rest charges interact is directly proportional to the product of the magnitude of both charges

And inversely proportional to the square of the distance that separates them and has the direction of the line that joins them.

The formula will be given as:

[tex]F=\dfrac{kq_1q_2}{r^2}[/tex]

If the two charges have the same sign, the electrostatic force between them is repulsive; if they have different signs, the force between them is attractive.

Hence the two charged particles will have Opposite charge.

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what is conduction, and does it occurs only in solids?

Answers

Conduction is the transfer of heat without the actual motion of molecules and it takes place only in solids.

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the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.

Conduction takes place in solids, liquids and gases

If you use a hair dryer, what type of electrical transformation is this?
{blank] energy to [blank] energy

Answers

Answer:

I think it electrical energy to kinetic energy

Which of the following statements is NOT true about chemical reactions?
A. A chemical reaction produces new substances with different properties.
B. Chemical reactions result in products that have characteristics that are not the same as the reactants.
C. During chemical reactions, chemical bonds break and/or new bonds form.
D. When a chemical reaction releases energy, it is an example of an endothermic reaction.

Answers

Answer:

D. When a chemical reaction releases energy, it is an example of an endothermic reaction.

Explanation:

"Endo" means within. Therefore, an endothermic reaction releasing energy makes no sense.

p.s.

I owe you for your help.

Thank you so much!

The statement that is not true about the chemical reaction is when a chemical reaction releases energy, it is an example of an endothermic reaction, therefore the correct answer is option D.

What is a chemical reaction?

A chemical reaction is a process in which one or more substances, also known as reactants are converted to one or more different substances, known as products.

A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Substances with novel characteristics are created through chemical reactions.

Products of chemical reactions differ from the reactants in terms of their features.

Chemical bonds may break or produce new ones during interactions.

The excess energy is released during an exothermic reaction, making the potential energy of the reactant higher than the potential energy of the product. The right response is D.

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please help me on this physics, i got confused​

Answers

Explanation:

this is the answer for your question

Sam, whose mass is 60 Kg, is riding on a 5.0 kg sled initially traveling at 8.0 m/s. He
brings the sled to a stop in 4.0 seconds. What amount of force is applied to the sled in
bringing it to a stop?

Answers

Answer:  130 newtons

===============================================================

Explanation:

We'll need the acceleration first.

The initial speed (let's call that Vi) is 8.0 m/sThe final speed (Vf) is 0 m/s since Sam comes to a complete stop at the end.This happens over a duration of t = 4.0 seconds

The acceleration is equal to the change in speed over change in time

a = acceleration

a = (change in speed)/(change in time)

a = (Vf - Vi)/(4 seconds)

a = (0 - 8.0)/4

a = -8/4

a = -2

The acceleration is -2 m/s^2, meaning that Sam slows down by 2 m/s every second. Negative accelerations are often associated with slowing down. The term "deceleration" can be used here.

Here's a further break down of Sam's speeds at the four points of interest

At 0 seconds, he's going 8 m/sAt the 1 second mark, he's slowing down to 8-2 = 6 m/sAt the 2 second mark, he's now at 6-2 = 4 m/sAt the 3 second mark, he's at 4-2 = 2 m/sFinally, at the 4 second mark, he's at 2-2 = 0 m/s

Next, we'll apply Newton's Second Law of motion

F = m*a

where,

F = force appliedm = massa = acceleration

We just found the acceleration, and the mass is fairly easy as all we need to do is add Sam's mass with the sled's mass to get 60+5.0 = 65 kg

So the force applied must be:

F = m*a

F = 65*(-2)

F = -130 newtons

This force is negative to indicate it's pushing against the sled's momentum to slow Sam down.

The magnitude of this force is |F| = |-130| = 130 newtons

Calcule how long it takes a sound wave to travel trough 1.0km of water at 0C

Answers

Answer:

Explanation:

25.0 m/s

Answers: 25.0 m/s
Speed in the water is much faster than in air, the distance that sound waves travel is primarily dependent upon ocean temperature and pressure. While pressure continues to increase as ocean depth increases, the temperature of the ocean only decreases up to a certain point, after which it remains relatively stable.

Which two charges of a magnet will attract?

Answers

Answer:

The other end is called the south pole. When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another. This is similar to electric charges.

Explanation:

Answer: A magnet has two ends called poles the answer are the poles

North pole and South pole

Explanation:

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Lithium (Li) has a charge of +1, and oxygen (O) has a charge of –2. Which is the chemical formula? LiO2 LiO Li2O Li2O2

Answers

Answer:

The results is                  Li₂O

Explanation:

n a chemical reaction, the electron miner in the formula must be balanced, that is, the number of positive and negative charges is the same

In this case, oxygen has a valence of -2 that is, it can give two electrons and lithium has a valence of +1, therefore two lithium atoms are needed for the charges to be neutral, therefore the chemical formula is

The results is                  Li₂O

Answer:

Li2O

Explanation:

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Coulomb's Law says that the forces between any two charges depends ___________.

Question 7 options:
A. Directly on the size of the charges
B. Inversely on the square of the distance between the charges
C. Directly on the square of the distance between the charges
D. A&B
E. A/C

Answers

A
Hope this helps!!!!!!

Coulomb's Law says that the forces between any two charges depends directly on the size of the charges and inversely on the square of the distance between the charges. The correct option is D. A & B

Coulomb's law

From the question, we are to determine the correct option.

First, we will state Coulomb's law.

Coulomb's law states that the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects

That is,

[tex]F \propto \frac{Q_{1} Q_{2} }{r^{2} } [/tex]

Where F is the electrical force

[tex]Q_{1} \ and \ Q_{2}[/tex] are the charges

r is the distance between the objects

From the law, we can observe that the forces depends directly on the size of the charges - Option A

and the forces also depends inversely on the square of the distance between the charges - Option B

Hence, the correct option is D. A & B

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Problem 1. A 70-kg person standing on a frictionless platform of ice throws a football
forward with a velocity of 12m/s. If the person moves backward (sliding) with a velocity of
34cm/s, what is the mass of the football?

Problem 2. A car traveling at 8m/s crashes into a car of identical mass stopped at a traffic
light. What is the velocity of the wreckage immediately after the crash, assuming that the
cars stick together?
Problem 3. A 30-kg child stands on a frictionless surface. Th father throws a 0.8-kg football
with a velocity of 15m/s. What velocity will the child have after catching the football?

Problem 4. A billiard ball moving to the left at 30 cm/s collides head with another ball
moving to the right at 20cm/s. The masses of the balls are identical. If the collision is
perfectly elastic, what is the velocity of the first ball after impact if velocity of the second
ball is 4cm/s toward the right?

Problem 5. Two metal balls A and B are suspended, as shown in the figure, so that each
touches the other. The masses are given in the figure. Ball A is pulled to the initial side until it
is 12 cm above its initial position, and then it is released. If it strikes ball B in a completely
elastic collision, find the height h reached by ball B assuming zero friction.

Answers

Answer: The answer is in your heart

Explanation: I don't know, just trust °_°

It depends on the location on the periodic table and if it is easier to loose are gain electrons to fill the valence electron shell.

What is the electron affinity?

The electron affinity of the neutral atom of the element can show indicate whether or not the element is going the make positive or negative ions.  The higher the electron affinity is, the more the neutral atom wants to gain electrons.

The electron affinity for alkali metals and alkaline earth metals are low due to the fact that they are located on the left of the periodic table and only needs to loose 1 or 2 electrons to have a completed valence shell.

That means that they want to form cations (loose electrons).  Halogens have a high electron affinity since they are located on the right of the periodic table and only have to gain 1 electron to get a completed valence electron configuration.  That means that it forms anions.

Therefore, It depends on the location on the periodic table and if it is easier to loose are gain electrons to fill the valence electron shell.

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Consider the differences between a horseshoe magnet and a bar magnet. Is the attraction or repulsion going to be stronger or weaker between two horseshoe magnets or two bar magnets, as shown here? How would that influence the density of magnetic field lines?

Answers

Answer and Explanation:

A horseshoe-shaped magnet, that is, a "U" shape, has stronger attraction and repulsion capacities than that presented by a bar-shaped magnet. This is because the lines of the magnetic field on the "U" magnet are more dense and therefore promote a stronger magnetic field. This strong magnetic field exists because in a "U" shaped magnet, the magnetic poles are on the same plane, allowing a better fluctuation of the lines of the magnetic field.

An airplane is flying at 80 kilometers per hour when a strong tail wind, traveling in the same direction at 5 kilometers per hour, hits the airplane. How can the net force acting on the airplane be calculated?


A. add the forces
B. subtract the forces
C. multiply the forces
D. divide the forces

Answers

Answer:

A.add the forces

Explanation:

since they're both going in the same direction then they should be added to get the total net force.

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The net force acting on the airplane if, An airplane is flying at 80 kilometers per hour when a strong tailwind, traveling in the same direction at 5 kilometers per hour is 85 km/hr so, option A is correct.

What is force?

Force is the influence of either pull or pushes in the body. Basically, gravitation forces, nuclear forces, and friction forces are the types of forces.

For e.g. when the wall is hit by a hand then a force is exerted by the hand on the wall as well as the wall also exerts a force on the hand. There are different laws given to Newton to understand force.

Given:

An airplane is flying at 80 kilometers per hour when a strong tailwind, traveling in the same direction at 5 kilometers per hour,

Calculate the net force acting on the airplane as shown below,

The net force acting on the airplane = The velocity of the airplane + velocity of the wind  (As they both are in the same direction)

The net force acting on the airplane = 80 km / hr + 5 km / hr

The net force acting on the airplane = 85 km / hr

Thus, the net force acting on the airplane is added.

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Please help, I’ll give brainliest!

Answers

Answer:

According to Figure 3, to purchase and install a wind turbine costs $50,000, while to purchase and install a hyrdroelectric generator costs $20,000. The hyrdroelectric generator is relatively cheaper compared to the wind turbine. While the hydroelectric generator is cheaper, it only produces 8 kilowatts of constant power output, and, on the other hand, the wind turbine produces an average of 10 kilowatts of power output. The hydroelectric generator processes constant power output, while the wind turbine processes varying power outputs, with an average of 10 kilowatts.

Answer:

wind turbines r better than hydroelectric generators

Explanation:

Describe how the sound waves are reflected, absorbed, or transmitted through various materials (liquid, solid, gas).

Answers

Answer:

Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster. Sound travels most slowly through gases because the molecules of a gas are farthest apart.

What is Newton's Second Law?


1.The attraction between objects

2.An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force

3.An object's acceleration depends on its mass and on the net force acting on it.

4.For every action there is an equal and opposite reaction

Answers

Answer:

An object's acceleration depends on its mass and on the net force acting on it.

Explanation:

Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.

Answer:

3.An object's acceleration depends on its mass and on the net force acting on it.

A force of 450 N moves a body through 300 cm in the direction of force. Calculate the work
done by the force.

Answers

Answer:

150J

Explanation:

Formula : Work done

Force x distance

work done = force x distance

Distance should be measured in meters

300÷100=3m

work done = 450 x 3

=150J

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How do pool players use Physics to make the balls on the pool table go where they want to?

Answers

Answer:

hi my Friend

check in this link https://youtu.be/ErFP7VmNbGk

Explanation:

. ___________ The heat and light move from the core into this layer.

Answers

[tex]\huge{ \star \fcolorbox{magenta}{purple}{ \fcolorbox{magenta}{blue}{ \fcolorbox{magenta}{pink}{ \fcolorbox{magenta}{red}{ \sf{photosphere}}}}}} \star[/tex]

Answer:

PHOTOSPHERE

Explanation:

HOPE IT HELPS YOU

Gamma rays have the shortest wavelength. True or False

Answers

Answer:true

Explanation:

Answer:

true it is trueeeeee :)))))

If a lion drags his prey 10 meters to his den doing 500 joules of work, how much
force did he use?

Answers

Answer:

I think it's 5000N

Explanation:

You use the formula F=a.m, so m=10 meters, a=500 joules. F=10x500=5000N

how much must a woman weigh ( force) if the pressure she exerts while standing on one foot has an area of 0.6m squared exerts a pressure of 16 Pa

Answers

Answer:

W = 9.6 N

Explanation:

Given that,

Area on 1 foot, A = 0.6 m²

Pressure, P = 16 Pa

The pressure is given by force acting per unit area. So,

[tex]P=\dfrac{F}{A}\\\\P=\dfrac{W}{A}\\\\W=16\times 0.6\\\\W=9.6\ N[/tex]

So, the required weight is 9.6 N.

There is a scale with a basket on it. A brick, brick #1 is placed on the scale. The brick has a mass of 10 kg. If the brick is not moving on the scale, are the forces balanced or unbalanced?

Answers

Answer:

The forces are balanced

Explanation:

Since the brick is not moving on the scale, it means that the forces are balanced. An unbalanced force would only be present if there is motion of the brick. So, since the brick does not move, the net force on it is zero. Thus, the forces on it are balanced.

Neon has 10 electrons; two in the inner level and 8 in its outermost level. Will neon form bonds with other atoms?​

Answers

Answer:

no

Explanation:

this is because its valency shell is full so it wont want any other electrons in its valence shell.

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