According to Newton's 2nd Law, why does a full shopping cart take more
force to accelerate than an empty shopping cart? *
the full cart has more mass
the full cart has less mass
the full cart has more gravity acting on it
O the full cart has more friction acting on it

Answer:

A subscript

Explanation:

it tells you how many oxygen molecules there are in the equation

When the water tank is half filled, it exerts a pressure of 19,620 Pascals at the base of the dam.

The pressure exerted by water at the base of the dam when it is half filled can be calculated using the following equation:

P = hρg, where P represents the pressure, h is the height of the water level, ρ is the density of water and g is the gravitational acceleration. In this case, the height of the water is 2m and the density of water is 1000 kg/m³. Therefore, the pressure at the base of the dam is calculated as:

P = 2 x 1000 x 9.81 =19620 Pa.

This denotes that when the water tank is half filled, it exerts a pressure of 19,620 Pascals at the base of the dam.

Although this pressure is not too significant for small tanks, it can become dangerous for large dams if the pressure is not properly managed. Therefore, engineers must take this into account when designing water tanks, dams, and other structures that involve a large volume of water.

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Answer:

mass × gravity ×height. so....that.. Ep = mgh. Ep= 35×9.8×5. Ep = 1715.

Explanation:

The correct answer is option B. It travels up and down. Transverse waves are characterized by the fact that they cause particles in the medium to move perpendicular to the direction of wave propagation.

Transverse waves are a type of wave that causes the particles of the medium to move up and down or side to side as the wave passes through them.

The other options are not right because:

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Answer:

This

Explanation:

Khan academy answer

Answer:

Yes

Explanation:

When humans use land, they change it to accommodate their own needs, and thus new locations and new habitats for other organisms are created. These organisms can now live there and create new organisms, and thus create new ecosystems as a result of human use of that particular piece of land.

Answer:

no im in a rehab program so we eat the sam shi every day

Explanation:

brainlest?

Explanation:

During lockdown, I ate LOADS OF JUNK FOOD. TRUST ME!!

I gained 14 kg of weight and became 68 kg

just due to junk food.I am 13 btw and at that time I was 5 feet 4 so definitely fat. all those pizzas and burgers and all.then I realised that I have gained weight. I have to REDUCE MY WEIGHT. I am quite determined on what I say. it took me 3 months or so and I finally got back to my original weight. How? just by going for a stroll everyday, eating healthy and constantly working out. eating less is not the solution,eating less calories is the solution.Also, by eating healthy food,I grew taller. I am 5 feet 6 now. So yes, definitely it helps put alot and keep eating healthy food and you will definitely be healthy.

Thank You.

The game's objective is to improve your understanding of color vision, not to identify color blindness. It is necessary to match simple colors. Yet, the hue could be changed while the saturation & lightness are constant.

The proportion of white light combined with a colour is known as saturation. White light is scarce or absent in high-saturation hues, such as the circular on the left. Brightness is a synonym for power.

Hue, value, and saturation are the three main factors that influence how we assess color. The intensity and cleanliness of a color as it appears in a picture is referred to as color saturation. The vividness and intensity of a color increase with its saturation level.

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Answer:

50 N ---->

Explanation:

Opposing sides get subtracted so~

25-25 cancels out to zero so there is 0N

100 -50 equals 50 N ->

Along vertical direction, net force is 0N and along horizontal direction, the net force is 50N directed towards right.

To determine the answer, we need to know about how to calculate the net force.

To determine the net force along any direction, we have to sum all the forces that are directed along that direction.

Forces that directed along vertical direction are

Net force = 25 N (vertically upward) + 25 N (vertically downward)

                = 25 N - 25N = 0N

Here, we take '+ sign' for upward direction and '- sign' for downward direction.

Forces that directed along horizontal direction are

Net force= 100 N towards right + 50 N towards left

               = 100N - 50N

               = 50 N (towards right)

Here, we take '+ sign' for horizontally right direction and '- sign' for horizontally left direction.

Thus, we can conclude that 0 N is the net force along vertical direction and 50 N is the net force along horizontal direction.

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Children can obtain a particular score on an intelligence test called IQ.

An IQ test is a cognitive ability evaluation that delivers a score that is meant to act as a measure of an individual's intellectual aptitude and potential. IQ tests are among the most commonly used psychological assessments.

IQ stands for intelligence quotient and is defined as "a form of standard score that reflects how far above, or far below, his/her peer group an individual stands in mental capacity" by Mensa International, an association for those with IQs in the top 2%.

IQ is a general test for all the age group.

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Answer:

0.012

Explanation:

Answer:

O N

Explanation:

Upthrust = Volume of object * density of fluid * acceleration due to gravity

Upthrust = 4.0 m3 *  1000 kg/m3 * 10 m/^2

Upthrust = 40, 000 N

Upthrust = Weight in air - Weight in water

Weight in air = 40,000 N

Weight in water = Weight in air - Upthrust

Weight in water = 40,000 N - 40,000 N

Weight in water = 0 N

When two surfaces touch, they exert a force that prevents the two surfaces from sliding past one another. Static friction is the name of this force.

The body's net force's strength and direction. All of the forces acting on a moving object are depicted in the free-bod diagram. Every force, in particular, is represented by an arrow, the direction of which corresponds to the force's direction and whose length corresponds to the force's magnitude. Therefore, the net force can be estimated from a free body diagram. In reality, one may calculate the net force acting in each of the two directions by examining the forces acting along the horizontal and vertical axes independently. These two forces then stand in for the constituent parts of the final force (net force) acting on the item.

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Charge of an electron, e = 1.60217662 × 10-19 coulombs whereas to calculate the charge of an electron it is not fixed as it may vary.

The charge of the electron is comparable to the size of the rudimentary charge (e) but bears a negative sign. Since the esteem of the rudimentary charge is generally 1.602 x 10-19 coulombs (C), at that point the charge of the electron is -1.602 x 10-19 C.

When communicated in nuclear units, the basic charge takes the esteem of solidarity, i.e., e = 1. In this way, the electron’s charge can be signified by -e. Even though the proton is much more gigantic than the electron, it was as it was including a charge of e.

Thus, impartial particles continuously bear the same number of protons and electrons.

JJ Thomson is the undisputed pioneer of the electron. Be that as it may, despite all those tests he performed on it, he might as it was overseen getting the electron’s charge to mass proportion.

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The velocity with which the rock initially kicked if the cliff is 5 m high and the rock lands 7m from the base of the cliff is 6.93 m / s

s = ut + 1 / 2 at²

s = Distance

u = Initial velocity

t = Time

a = Acceleration

In vertical motion,

s = 5 m

u = 0

a = 9.8 m / s²

5 = 0 + ( 1 / 2 * 9.8 * t² )

t² = 1.02

t = 1.01 s

In horizontal motion,

s = 7 m

a = 0 ( Since velocity is constant )

7 = 1.01 u + 0

u = 7 / 1.01

u = 6.93 m / s

Therefore, the velocity with which the rock initially kicked is 6.93 m / s

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Answer:

the answer is true true

The type of energy produced when the handle of a pencil sharpener turns is mechanical energy.

The total of an object's kinetic and potential energy is its mechanical energy. You convert your own chemical energy—obtained through food—into the mechanical energy of a pencil sharpener's handle when you turn the handle.

The pencil is then sharpened using this mechanical energy by spinning the sharpening blades, which grinds away the graphite and wood while generating heat and friction. As the handle warms up from friction, some of the mechanical energy is transferred into thermal energy, and some of it is changed into the kinetic energy of the sharpened pencil as it proceeds through the sharpening process.

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Answer:

B

It is possible, but with formulas not yet derived by physicists.

Explanation:

Yes, it is possible to analyze the motion of an object that has non-constant acceleration but not with the help of Newton's equation of motion, as these equations are only valid for constant acceleration.

There are three equations of motion given by  Newton,

v = u + at

S = ut + 1/2×a×t²

v² - u² = 2×a×s

Note that these equations are only valid for a uniform acceleration.

It is feasible to study an object's motion with non-constant acceleration, but not using Newton's equations of motion because these equations are only applicable for constant acceleration.

For analyzing the variable acceleration we have to use the calculus tools such as differentiation and integration.

Hence, it is possible to analyze the motion of an object that has non-constant acceleration

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The applied force acting on the wagon is 3.04 N.

The direction of the applied force is east.

The net force acting on the wagon is Fa - Ff, which is equal to (2.4 kg)(1.2 m/s^2) + 1.22 N, or 3.04 N.

To determine the applied force, we need to use the equation for net force: ΣF = ma

where ΣF is the sum of all forces acting on the wagon, m is the mass of the wagon, and a is the acceleration of the wagon.

From the free-body diagram, we can see that the forces acting on the wagon are the applied force (Fa) in the direction of motion (east), and the frictional force (Ff) in the opposite direction (west):

So the net force equation becomes:

Fa - Ff = ma

Substituting the given values, we get:

Fa - 1.22 N = (2.4 kg)(1.2 m/s^2)

Simplifying and solving for Fa, we get:

Fa = (2.4 kg)(1.2 m/s^2) + 1.22 N

Fa = 3.04 N

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The line graph showing the temperature change over time of a liquid before it boils has an upward-sloping trend as heat is applied until it reaches its boiling point, with fluctuations due to heat transfer rate changes.

Heat transfer rate refers to the amount of heat energy transferred per unit of time between two objects or substances that are at different temperatures. It is a measure of how quickly heat is transferred between two objects or substances and is influenced by factors such as the temperature difference between the objects, the thermal conductivity of the materials, the surface area in contact, and the type of heat transfer mechanism involved (conduction, convection, or radiation). Heat transfer rate is often expressed in units of watts or BTUs per unit of time (e.g., watts/second or BTUs/hour).

Here in the Question,

The shape of the line graph that shows the temperature change over time of the liquid before it starts to boil is generally an upward-sloping line. As heat is applied to the liquid, its temperature will increase gradually until it reaches its boiling point. The rate of temperature increase may not be constant, and there may be some fluctuations due to factors such as changes in the rate of heat transfer.

Therefore, the trend of the line graph will be upward-sloping until the liquid reaches its boiling point.

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The distance between the plates of the capacitor is 2180 m.

Given that the electric field strength between the plates of a simple air capacitor is equal to the voltage across the plates divided by the distance between them.

When a voltage of 109.V is put across the plates of such a capacitor, an electric field strength of 5.0cm is measured.

We are required to write an equation that will let us calculate the distance d between the plates.

Let d be the distance between the plates of the capacitor

Let E be the electric field strength between the plates of the capacitor

Let V be the voltage across the plates of the capacitor

We know that, E = V/d

Rearranging the above equation, we have,

d = V/E

Given that the voltage across the plates of the capacitor is 109.V and

the electric field strength between the plates is 5.0cm (0.050m)

Substituting the above values in the equation,

d = V/E = (109.V)/(0.050 m)

= 2180 m

Hence, the distance between the plates of the capacitor is 2180 m.

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The assembly and disassembly of IFs are regulated by a variety of factors, including phosphorylation, subunit availability, pH, and ionic strength.

Intermediate filaments (IFs) are components of the cytoskeleton that control a variety of biological processes. IFs are typically less dynamic than microtubules and actin filaments, and they appear to be more stable. The assembly and disassembly of intermediate filaments are regulated by phosphorylation-dephosphorylation mechanisms.

The assembly and disassembly of intermediate filaments are controlled by a variety of factors. One of the primary determinants of IF dynamics is phosphorylation. Phosphorylation of specific residues on the IF proteins affects both the ability of the protein to form filaments and its stability once it has formed a filament.

In some cases, the presence of free subunits can promote filament formation, while in others, the formation of complexes between subunits can inhibit filament assembly. Changes in pH or ionic strength can also affect the assembly and disassembly of IFs.Intermediate filaments (IFs) are cytoskeletal structures that are typically more stable than microtubules or actin filaments.

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Answer: Kinetic energy is the energy an object has because of its motion

(if it needs to be a one worded answer than just type motion)

The potential energy of an object depends on its mass and its height.

The law of conservation of energy states that energy can be neither created nor destroyed, but it can change its form.

Answer:Kinetic energy is the energy an object has because of its motion. If we want to accelerate an object, then we must apply a force. Applying a force requires us to do work.

As expressed by the equation, potential energy depends upon the mass and the height of the object. Any increase in these two quantities will lead to an increase in the amount of potential energy possessed by the object.

The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside.

\(\sf{ [26.84, 26.88]  }\)

Explanation:

The precision of a balance is ±0.02 g.

The accepted value for a measurement is 26.86 g.

The net external force on Andrea is 264.6 N. The body's acceleration is inversely related to its mass and directly proportional to the net force acting on it.

In contrast to the first law of motion, the second law of motion deals with the behavior of objects for which all external forces are in balance. The more precise second rule of motion is frequently employed to determine what happens when a force is present.

Given, Mass of a sprinter, m = 63.0 kg

Acceleration, a = 4.200 m/s²

Using Newton's second law of motion:

F = ma

Substituting the values of mass and acceleration, we get:

F = 63.0 kg × 4.200 m/s²

F = 264.6 N

Therefore, the net external force on Andrea is 264.6 N.

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When a raw egg is thrown against a wall, the wall is a hard and unyielding surface. The force of the impact causes the eggshell to break.

As the egg cannot withstand the sudden stop against the wall.

On the other hand, when a raw egg is thrown at a sagging sheet, the sheet provides a surface that is more forgiving. The sheet gives way when the egg hits it, and the force of the impact is spread out over a larger area.

This means that the egg does not experience the same sudden stop that it would if it hit a hard wall. Additionally, the sagging sheet provides a bit of cushioning, which also helps to absorb some of the force of the impact.

Overall, the reason why a raw egg breaks when thrown against a wall but not when thrown at a sagging sheet is due to the difference in the surfaces that the egg hits.

The hard, unyielding surface of the wall causes the egg to break, while the soft, yielding surface of the sagging sheet allows the egg to survive the impact.

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Answer:

Scientific tool used to identify organisms

Explanation:

Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.

Answer:

The magnification produced by a plane mirror is +1

means then the size of the image is equal to the size of the object. If m has a magnitude greater than 1 the image is larger than the object, and an m with a magnitude less than 1 means the image is smaller than the object.

Answer:

a joule is the unit of work

Explanation: