If you lift an apple from the ground to some point above the ground, the gravitational potential energy in the system increases. This potential energy is stored in.

q1= charge 1 = -0.0004C

q2= charge 2 = 0.0003c

r = distance = 3 m

F = k (q1*q2) / r^2

Where:

F= force

k= constant = 9 x 10^9 kgm^3/s^2m^2

Replacing:

F = 9x10^9 ( -0.0004 * 0.0003 ) / 3^2

F= 120 N

The two horizontal forces that are present as a car is pushed down the driveway are push and friction.

A force refers to that which produces or opposes motion. When force(s) is/are acting on a body, they either cause motion to occur or prevent motion from occurring. An example of a force which opposes motion is friction.

For a car being pushed along a driveway, the two possible horizontal forces that act on it are push which moves it forward and friction which resists its motion.

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Answer:

Push and friction

Explanation:

As per Newton's third law

Here the car is pushed so the force applied is pushing force

The opposition force is frictional force

Option D

Answer:

Characteristics that can be inherited is hair color or muscle structure.

In the circuit, the total current is 60 A and the voltage is 240 V. If R1

resistance is 20 Ω, then the R2 resistance  would be 5 Ω

Resistance is the obstruction of electrons in an electrically conducting material. The SI unit of the resistance is Ohm

The mathematical relation for resistance can be understood with the help of the empirical relation provided by Ohm's law.

V=IR

where V is the voltage

I is the current

R is the resistance

For the given problem V= 240 V and I = 60 A

R = V/I

R =240/60

R =4 Ω

For calculating equivalent resistance in parallel combination.

1/Re = 1/R1  + 1/R2

1/4 = 1/20 +  1/R2

R2 = 5 Ω

Thus , the R2 resistance would be 5 Ω, therefore the correct answer is option B.

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At equilibrium, the forces exerted by the front and back hooves must be equal, but the force exerted by the front hooves will be slightly greater than that of the back hooves.

What is equilibrium?
Chemical equilibrium refers to the situation inside a chemical reaction where both the reactants are present at levels that have no further habit of changing over time, preventing any discernible change in the system's properties. Whenever the forward reaction and the reverse reaction move forward at the same speed, this condition results. The forward as well as backward reactions typically have equal, if not zero, reaction rates. The concentrations of a products and reactants do not change on a net basis as a result. Dynamic equilibrium is the name given to such a situation.

This is due to the fact that the horse's center of gravity is closer to the front hooves, and thus the front hooves must exert a greater force in order to keep the horse balanced.

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weight of Astronaut on Earth :

weight of Astronaut on Neptune :

When two different wires with identical cross-sectional areas carry the same current, the drift velocity will be lower in the better conductor.

To understand this, let's look at the drift velocity equation:
vd = I / (nAe)
In this equation, vd represents the drift velocity,

I is the current,

n is the number density of free electrons,

A is the cross-sectional area, and e is the charge of an electron.
Since the wires have the same cross-sectional areas (A)

and carry the same current (I),

we can focus on the number density of free electrons (n).

A better conductor has a higher number density of free electrons, meaning there are more free electrons available to carry the charge.

This is one of the main factors contributing to the increased conductivity of the better conductor.
Now, let's examine the equation again.

If n is higher in the better conductor, then the value of the fraction I / (nAe) will be smaller.

This means that the drift velocity (vd) will be lower in the better conductor.
In summary, the drift velocity is lower in the better conductor due to its higher number density of free electrons, which allows for more efficient charge transfer without the need for high drift velocities.

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The current is 3.33A, the resistance is 36.03 Ohm, and the peak voltage is 169.68V.

Given information:

The power rating of the resistive element (P) = 400 W

Voltage supplied by the outlet (V) = 120 VAC (RMS)

a) To find the current flowing through the element, the formula:

Power (P) = Voltage (V) × Current (I)

Current (I) = Power (P) / Voltage (V)

Substituting the given values:

Current (I) = 400 W / 120 VAC

= 3.33 A

b) To find the resistance of the element, Ohm's Law can be used :

Resistance (R) = Voltage (V) / Current (I)

Resistance (R) = 120 VAC / 3.33A

= 36.03 Ohm

c) To find the peak voltage, it is required to convert the RMS voltage to peak voltage. For an AC voltage, the relationship between RMS voltage (\(V_{rms\)) and peak voltage (\(V_{peak\)) is given by:

\(V_{peak} = V_{rms} \times \sqrt2\)

Substituting the given RMS voltage:

Peak voltage  = \(120 \times \sqrt2\)

= 169.68 V

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Answer:

I think this is how you do it

Explanation:

Some real-world applications of the conservation of energy include hydroelectric power plants, roller coasters, electric vehicles, solar panels, and wind turbines.

Conservation of energy refers to the principle that energy cannot be created or destroyed but can only be converted from one form to another.

These examples show how the principle of conservation of energy is used in various real-world applications to generate power, provide thrilling experiences, and promote sustainable energy practices.

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Answer:

The resistance is 0.617Ω.

Explanation:

Given that the formulas are V = I × R and P = I × V so when you substitute the V formula into P formula, you will get P = I² × R. Using this formula, you can find the resistance :

P = I² × R

50 = 9² × R

50 = 81 R

50 ÷ 81 = R

R = 0.617Ω (3sf)

Electrons are one of the constituents of atoms. It is negatively charged particles and the atom has the same number of protons and electrons.

Matter is made up of atoms. Atoms are made up of protons, electrons, and neutrons. The protons are positively charged particles, electrons are negatively charged particles, and neutrons are neutrally charged particles. Protons and neutrons are present inside the atoms from the nucleus. The electrons are revolving around the nucleus due to attractive force.

The characteristics of the electrons are: Electrons are identified by J.J Thomson by using cathode rays. The electrons are negatively charged particles. The mass of an electron is 9.11×10⁻³¹Kg and the charge of an electron is 1.6×10⁻¹⁹C. They are the fundamental block of all atoms. Cathode beams are the source of electrons.

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According to the leading scientific theory of solar system formation, the statement that best explains why Uranus and Neptune have a significantly different composition than Jupiter and Saturn is: Uranus and Neptune formed in the outer solar system, where there was less gas and dust available to build them.

According solar nebula theory, the solar system formed from the collapse of a large, dense cloud of gas and dust called a solar nebula. The material in the solar nebula was composed mostly of hydrogen and helium, but also contained heavier elements in the form of dust particles. The solar nebula began to collapse due to gravity and started to spin. As it collapsed, it formed a flat, rotating disk of gas and dust around the central star. Within this disk, small particles began to stick together to form larger and larger objects, eventually, these objects grew into the planets, moons, asteroids, and comets that make up the solar system today.

Uranus and Neptune have a significantly different composition than Jupiter and Saturn because they formed in the outer solar system, where there was less gas and dust available to build them, this meant that Uranus and Neptune were able to capture less gas from the solar nebula than Jupiter and Saturn. They are also smaller and less massive than Jupiter and Saturn, which means that they were unable to hold onto as much gas as the larger planets. As a result, Uranus and Neptune are composed mostly of water, ammonia, and methane ices, with only small amounts of hydrogen and helium gas. In contrast, Jupiter and Saturn are composed mostly of hydrogen and helium gas, with smaller amounts of water, ammonia, and methane ices.

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Answer:

a) The vertical component of the helicopters speed relative to the air = 0 m/s

The horizontal component of the helicopters speed relative to the air = -42.5 m/s

The vertical component of the wind speed relative to the ground = -21.65 m/s

The horizontal component of the wind  speed relative to the ground = 12.5 m/s

b) The x-component of the helicopter speed relative to the wind speed =  -30 m/s

The y-component of the helicopter speed relative to the wind speed =  -12.5 m/s

c) The resultant speed of the helicopter relative to the ground is 32.5 m/s in the direction of W 22.6° S

Explanation:

The speed of the helicopter = 42.5 m/s

The direction of flight of the helicopter = West

The wind speed = 25.0 m/s

The direction of the wind = E30°S

a) The velocity components of the helicopters speed relative to the air are;

Vertical component = 0 m/s

Horizontal component = -42.5 m/s

The velocity components of the wind speed relative to the ground are;

Vertical component = -25 × cos(30) = -21.65 m/s

Horizontal component = 25 × sin(30) = 12.5 m/s

b) To find the speed of the helicopter relative to the wind we have;

x-component of the helicopter speed = -42.5 m/s

y-component of the helicopter speed = -0

x-component of the wind speed relative to the ground = 25×sin(30) = 12.5 m/s

y-component of the wind speed relative to the ground = -25×cos(30) = -21.65 m/s

Therefore, the x-component of the helicopter speed relative to the wind speed = -42.5 + 12.5= -30 m/s

the y-component of the helicopter speed relative to the wind speed = 0 +  (-12.5) = -12.5 m/s

c) The resultant speed of the helicopter relative to the ground is given by the relation;

\(v_{h, ground} =\sqrt{(v_{h,horizontal})^2 + (v_{h,vertical})^2}\)

= √((-30)² + (-12.5)²) =32.5 m/s

The direction of motion from the x-axis is given as follows;

\(tan(x) = \dfrac{Vertical \ velocity \ component}{Horizontal \ velocity \ component} = \dfrac{-12.5}{-30} = \dfrac{5}{12}\)

\(x = tan^{-1} \left (\dfrac{5}{12} \right ) = 22.62 ^{\circ}\)

Therefore, the helicopter is flying at 32.5 m/s in the direction of W 22.6° S.

Answer:

false

Explanation:

cause bacteria prefers moist and damp environment

Answer:

False

Explanation: bacteria thrive on moister and grow due to it. if the enviroment they were in were to be dry, the bacteria itself would die. Hope this helps! :)

Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32°f. suddenly, the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be higher than predicted due to mixing.

As wind speed increases, it moves the air molecules at a greater frequency due to collisions, and hence, the overall kinetic energy of the molecules increases making them move at a higher speed.

When the night is calm and clear then the surface of earth will be cooler than usual as the air molecules move at normal speed. However, when the wind speed increases, it draws warmer air from the surrounding which is mixed downward on the earth's surface preventing the temperature from dropping. Therefore, on a such night, the temperature will be slightly warmer than usual.

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Answer:

its fun

Explanation:

I like fun OWo

Answer:

All change in their form in relation to amount of heat energy.

Explanation:

Answer:

Tieflings are classed as humanoids, not fiends (and technically it appears to be a bloodline curse, not even having any fiendish blood). Note that being classed as a fiend would also mean the character would be immune to spells that target humanoids, such as Hold Person.

Explanation:

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The force on the wire will be perpendicular to both the current and the magnetic field.

When a current-carrying wire is placed inside a magnetic field, a force is exerted on the wire due to the interaction between the magnetic field and the current. This force is known as the magnetic force or the Lorentz force.

If the magnetic field is perpendicular to the wire, the force on the wire can be determined using the right-hand rule.

According to the right-hand rule, if you point your right thumb in the direction of the current and extend your fingers, the magnetic field will be directed perpendicular to both your thumb (representing the current) and your fingers.

In this configuration, the magnetic force acting on the wire will be perpendicular to both the current and the magnetic field.

The magnitude of the force can be calculated using the following formula:

F = BIL

Where:

F is the force on the wire,

B is the magnitude of the magnetic field,

I is the current flowing through the wire,

L is the length of the wire segment inside the magnetic field.

Since the force is perpendicular to both the current and the magnetic field, the wire will experience a sideways or perpendicular force that tends to push it in a particular direction.

It's important to note that the direction of the force depends on the direction of the current and the magnetic field. To determine the exact direction, you can use the right-hand rule mentioned earlier or apply the cross product between the current vector and the magnetic field vector.

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Answer:

D

Explanation:

In the other motion,  your weight also be greater than your normal weight if the elevator moves downward while slowing in speed, then the weight of the person would also be greater than the normal weight.

The normаl force is the perpendiculаr force thаt opposes the weight of аn object in contаct with а surfаce. The normаl force equаls the object's weight only in situаtions where the object is directly on а horizontаl surfаce or the incline аngle is 0 degrees.

The force exerted by аn object perpendiculаr to а surfаce thаt prevents the object from sinking into the surfаce is referred to аs the normаl force. When аn object is plаced on а surfаce, the surfаce responds by exerting а force thаt is perpendiculаr to the object's weight. Аnother motion thаt would аlso result in your weight being greаter thаn your normаl weight is when the elevаtor moves downwаrd while slowing in speed. This occurs due to the аccelerаtion of the person within the elevаtor.

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Answer:

The earth's axis of rotation is tilted 66.5 degrees with respect to its orbital plane around the sun and its axis of rotation is inclined 23.5 degrees from the perpendicular, with respect to this plane. The tilt of the earth affects the angle between the sun beam and the normal over a surface.

Earth orbits at an angle, so half the year, the Northern Hemisphere is tilted toward the Sun — this is summer in the Northern Hemisphere, and winter in the Southern Hemisphere. The other half of the year, the Northern Hemisphere is tilted away from the Sun, creating winter in the north and summer in the south.

When the Earth's axis is tilted toward the sun for the Northern Hemisphere, the people in the Northern Hemisphere experience summer, while at the same time, the Southern Hemisphere is tilted away from the sun and the people there experience winter.

The Northern Hemisphere receives the maximum intensity of the sun's rays, while the angle of sunlight decreases in the Southern Hemisphere.

When the sun's rays strike Earth's surface near the equator, the incoming solar radiation is more direct (nearly perpendicular or closer to a 90˚ angle). Therefore, the solar radiation is concentrated over a smaller surface area, causing warmer temperatures.

Answer:

xfxy naa

Explanation:

dhdhuciffbfjfufu

Answer:

A. Far away stars show a red shift and B. Microwave background creation is found all over the observational universe

Explanation:

Red shift in color indicates that galaxies are moving away from Earth. This is  proof that the Universe is continously expanding, which also supports the big bang theory.

The Big Bang theory predicts that the early universe was a very hot place and that as it expands, the gas within it cools. Thus the universe should be filled with radiation that is literally the remnant heat left over from the Big Bang, called the “cosmic microwave background".

I hope this helps :)

Molly's experiment involved kicking a soccer ball with varying amounts of force and observing the resulting change in the ball's motion.

Newton's three laws of motion can help explain how the force of Molly's kicks affected the ball's movement.

Newton's first law of motion states that an object at rest will stay at rest and an object in motion will stay in motion with a constant velocity unless acted upon by an unbalanced force. In this experiment, the soccer ball was at rest before each kick, so the force of Molly's kicks acted as an unbalanced force, causing the ball to accelerate and move. The greater the force of her kick, the greater the acceleration and resulting distance the ball traveled.

Newton's second law of motion states that the acceleration of an object is directly proportional to the force applied and inversely proportional to its mass. In this case, the mass of the soccer ball remained constant, but the force of Molly's kicks varied. As a result, the acceleration of the ball was directly proportional to the force of her kick.

Finally, Newton's third law of motion states that for every action, there is an equal and opposite reaction. When Molly kicked the soccer ball, the ball exerted an equal and opposite force back on her foot, which is why she felt the impact of the kick.

Energy transfer also played a role in this experiment. When Molly kicked the ball, she transferred energy from her foot to the ball. The greater the force of her kick, the more energy was transferred to the ball, resulting in a greater distance traveled.

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While designing a circuit that has two resistors connected in series. Given that we have a 20 V battery that will produce a current of 0.2 A their equivalent resistance in series must be 100 Ohm.

Resistance is the obstruction of electrons in an electrically conducting material.

The mathematical relation for resistance can be understood with the help of the empirical relation provided by Ohm's law.

V=IR

For calculating equivalent resistance in series combination.

Re = R1  + R2

For the given problem we have to design and construct a circuit that has two resistors connected in series.

Given that we have a 20 V battery, that will produce a current of 0.2 A

By using Ohm's law.

V=IR

As voltage V is given 20.0 V and current I = 0.2 A

20=0.2R

R=100 Ohm

The equivalent resistance of the circuit should be 100 Ohm

For   equivalent resistance in series

Re = R1 +R2

100 =R1 + R2

Thus, the resistor can be in various combinations but the sum of their equivalent value must be 100

For example it can either be 50 Ohm, and 50 ohm or 60 ohm and 40 ohm

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Cells that innervate neuromuscular junctions originate from the central nervous system (CNS).

The central nervous system (CNS) is one of the two main parts of the nervous system, with the other being the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, which are responsible for receiving, processing, and sending information throughout the body.

The brain is the control center of the body and is responsible for cognitive functions such as thinking, memory, and decision-making. The spinal cord is responsible for transmitting information between the brain and the rest of the body, and for controlling reflexes.

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