the state of matter in which a material is most likely to resist compression is the

The “sum of forces” acting on a cart can be explained as the net force or resultant force acting on it. This term refers to the total amount of force acting on an object, considering both the direction and magnitude. The cart's acceleration is influenced by this force, which is critical in the laws of physics.

The following is a description of the “sum of forces” acting on a cart: The sum of forces can be calculated using the formula F = ma, where F is the force acting on the cart, m is the mass of the cart, and a is the acceleration produced by the force. If there is more than one force acting on the cart, it is necessary to calculate the net force, which is the sum of all the forces acting on the cart.
The sum of forces can be split into two components: internal and external forces. Internal forces are those generated within the object, whereas external forces are exerted by other objects. The frictional force between the wheels of the cart and the surface is an example of an internal force acting on the cart.
The gravitational force exerted by the Earth is an example of an external force acting on the cart. If there are more than two forces acting on the cart, vector addition must be used to determine the net force.
The sum of forces acting on the cart is critical in the laws of physics. If the sum of forces acting on the cart is zero, it implies that there is no net force acting on it, and it is either stationary or moving at a constant velocity. If the sum of forces is nonzero, it implies that there is a net force acting on the cart, and it is either accelerating or decelerating.

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By the Newtons Second Law:

F = ma

F = (47 kg)(15 m/s²)

It is best to say that efficient plumbing reduces water pollution by using less water. Option a is correct.

Plumbing is a water conveyance system that transports water for a variety of uses. It transports water from one location to another via pipes, valves, and tubes.

It has the ability to transport water from a large reservoir to several areas. It is required for agricultural irrigation, domestic cleanliness, and the provision of potable drinking water.

Filters are often used in plumbing systems to remove pollutants from the water. An effective plumbing system lowers water pollution by using less water

Since it allows for adequate flow of water for usage and can automatically close or turn up as needed, preventing the loss of clean water and therefore preventing pollution.

It guarantees that clean water is used in a sustainable manner. efficient plumbing reduces water pollution by using less water.

Hence option a is correct.

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Answer:

B

Explanation:

Answer:

The net and only force acting on the ball thrown up into the air at half of its maximum height is the weight  of the ball

Explanation:

When the ball is rising in the air, the force, F, acting on it is given by the product of the mass, m × acceleration, a

The acceleration of a body thrown in the air = Gravitational acceleration = g = Constant

Therefore;

The force acting on the body thrown in the air F = Constant = m × g (downwards)

The force acting on the ball thrown up into the air at half of its maximum height = The mass of the ball × The acceleration due to gravity = The weight  of the ball.

By examining these factors, such as mean, variability, and bias, we can determine which student was better at estimating the mass of the objects.

To determine which student was better at estimating the mass of the objects, we need to compare the summary statistics of their estimates. Without specific summary statistics provided, we can consider the following factors:

1. Mean: Calculate the mean estimate for each student by summing up their estimates and dividing by the number of objects. Compare the mean estimates of Clare and Lin. The student with a mean estimate closer to the actual weight of 2,000 grams would be considered better at estimating the mass.

2. Variability: Consider the variability of the estimates for each student. Calculate the standard deviation or range of estimates for Clare and Lin. A smaller standard deviation or range indicates more consistent and accurate estimates, suggesting better estimation skills.

3. Bias: Check if there is any systematic bias in the estimates of either student. If one student consistently overestimates or underestimates the mass, it may indicate a tendency for inaccurate estimation.

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Minimum angle: θ ≈ 23.2 degrees | Rock's speed: v ≈ 2.65 m/s

To determine the minimum angle the string can make with the horizontal, we can analyze the forces acting on the rock when it is whirled in a horizontal circle.

Minimum angle:

The tension in the string provides the centripetal force required to keep the rock moving in a circle. The maximum tension the string can withstand before breaking is given as 150 N. At the minimum angle, the tension in the string will be equal to the breaking strength.

The centripetal force is given by the equation: \(F = m * (v^2 / r),\)where F is the force, m is the mass, v is the velocity, and r is the radius of the circle.

At the minimum angle, the tension (F) in the string is equal to the breaking strength, which is 150 N. The mass (m) of the rock is given as 970 g (0.97 kg), and the radius (r) is 1.8 in (0.04572 m). We can solve for the velocity (v).

\(150 N = 0.97 kg * (v^2 / 0.04572 m)v^2 = (150 N * 0.04572 m) / 0.97 kgv^2 = 7.0456 m^2/s^2v = √(7.0456) m/sv ≈ 2.65 m/s\)

Now, we can use trigonometry to find the minimum angle. The tension (150 N) is the vertical component of the tension force, and the horizontal component can be calculated using the angle θ:

Tension (horizontal component) = Tension (vertical component) / tan(θ)

Tension (horizontal component) = 150 N / tan(θ)

Since the tension in the horizontal direction is equal to the centripetal force, we can substitute the centripetal force equation:

\(m * (v^2 / r) = 150 N / tan(θ)\)

Now we can solve for the minimum angle (θ):

\(tan(θ) = (m * v^2) / (r * 150 N)θ = arctan((m * v^2) / (r * 150 N))\)

Substituting the given values, we can calculate the minimum angle.

Rock's speed at the minimum angle:

At the minimum angle, the rock's speed can be calculated using the previously derived velocity value (v).

The rock's speed at the minimum angle is approximately 2.65 m/s.

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Answer:

1.00 m is a more accurate measured length.

Explanation:

Denote length of the table by L.

For L=1.0 m, there is one significant digit after the decimal.

Care 1: When one more significant digit after decimal considered, the exact number can be from 0.95 to 1.05.

So, the possible span of error \(\Delta E_1= 1.05-0.95= 0.1m\)

For L=1.00 m, there is two significant digits after the decimal.

Case 2: When one more significant digit after decimal considered, the exact number can be from 0.095 to 1.005.

So, the possible span of error \(\Delta E_2= 1.005-0.095= 0.01m\)

Case 3: For L=1.000 m, there is three significant digits after the decimal.

When one more significant digit after decimal considered, the exact number can be from 0.0095 to 1.0005.

So, the possible span of error \(\Delta E_3= 1.0005-0.0095= 0.001m\)

As \(\Delta E_1 >\Delta E_2>\Delta E_3\)

So, the least error is in the third case when L=1.00m, hence, L= 1.00m is more accurate.

True, at any instant, the rate of increase of momentum of a liquid-fuels rocket is given by Mdv/dt, where M is the current mass of the rocket and v is the velocity.

This expression represents the rate of change of momentum with respect to time and is related to the rocket's propulsion force.

The force that is used by the rocket to take off from the ground and into the atmosphere. The principle on which the rocket propulsion works is based on Newton's third law of motion. Here, the fuel is forcibly ejected from the exit such that an equal and opposite reaction occurs.

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Answer:

Mass of water: 43 g

Explanation

hope it helps

Answer:

1) wave length

2) parallel reflection

when force stays the same and the mass increases, the ACCELERATION DECREASES.

Answer:

Generally it shows that the Earth will attain a velocity of

\(v= 4.0133*10^-15 m/s\)

Explanation:

From the question we are told that

Total Number N=300

Force=800

Time=0.10s

Weight of Earth \(W=5.98*10^24kg\)

Generally the equation for Impulse is Force *Time

\(Impulse =Force *Time\)

And

\(Force *Time=Change\ in\ momentum\)

Therefore

   \(300*10^6*800*0.1 = 5.98*10^24*v\)

   \(v= \frac{300*10^6*800*0.1}{5.98*10^2^4}\)

   \(v= \frac{2.4*10^1^0}{5.98*10^2^4}\)

   \(v= 4.01*10^-15 m/s\)

Generally it shows that the Earth will attain a velocity of

    \(v= 4.0133*10^-15 m/s\)

(b) the set of points is in a plane

A circle has points in a plane, a center, a radius, and a diameter. Depending on the situation, at least one of the following words must be included in the definition of a circle:

Based on James' definition of a circle, he needed to specify that the points are in a plane (option b).

The phrase "the set of all the points," as he defines it, has a variety of meanings. among them are:

the set of points on a line.

a plane's set of points.

the region's collection of points

James should have made it clear that the collection of points is in a plane.

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The complete question is mentioned below:

James defines a circle as "the set of all the points equidistant from a given point." His statement is not precise enough

because he should specify that

(a) a circle includes its diameter

(b) the set of points is in a plane

(c) a circle includes its radius

(d) the set of points are collinear

Answer:

1/ decreases

2/ yes;

In general there is no relationship, and any combinations of frequencies and amplitudes are allowed.

Explanation:

Explanation for 1/ - please see the picture attached below

The scale reads 823.8 N, as the man's weight (mg) is equal to the reading on the scale.

When the elevator is moving at a constant velocity, the net force on the man is zero, so the reading on the scale will be equal to the man's weight.

We can use the formula F = mg, where F is the force (in newtons), m is the mass (in kilograms), and g is the acceleration due to gravity (9.81 \(m/s^2\)).

So, the man's weight is:

W = mg = (84 kg)(9.81 \(m/s^2\)) = 823.44 N

Rounding to three significant figures, the scale reads:

823.8 N

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Answer:

sowi d ko po knows hehe need ko lang po ng points

Explanation:

hope u understand

Answer: 18 5.0 012

Explanation:

Answer:

Kinetic theory is based on the kinetic energy of moving particles.  In Boyle's Law the temperature is helped constant, so the kinetic energy of the molecules is a constant. The pressure and the volume are inversely related in Boyle's Law. In Kinetic theory pressure is created by the collision of particles.

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Explanation:

Answer:

Explanation:

Answer:

Below

Explanation:

You can use this formula to find the time it will take the driver :

      finalvelocity = initialvelocity + acceleration (time)

Just plug in the values and rearrange :

     6.94 m/s = 0 m/s + 1.5m/s^2 (t)

     6.94 m/s = 1.5m/s^2 t

     4.6366 s = t

Therefore it takes the driver 4.6 seconds to accelerate to 25 km/h

Hope this helps! Best of luck <3

Object distance, u = 26.0 cm

Focal length, f = -14.0 cm

Image distance, v = ?

The relationship between object distance, image distance, and focal length is:

Magnigication is calculated as:

The magnification of the object = 0.35

The coefficient of friction, speed, and centripetal acceleration is interrelated when a car rounds a flat curve of radius R with-a speed of vo.

For the car not to slide on the road, the statement (A) The car's speed vo cannot be greater than ugR must be true.

The statement (B) The car's speed U0 cannot be less than 8R is not true.

The statement (C) The radius R of the car's path cannot be greater than u02/g is also not true.

The statement (D) The radius R of the car's path cannot be less than u02/g is not true.

The statement (E) The centripetal acceleration must be less than g is not true.

The centripetal force required for a car to round a curve is given as;

Fc = mv2/r

Where,

Fc = centripetal force,

m = mass,

v = velocity,

r = radius.

The frictional force required to prevent the car from sliding is given as;

Ff = μFN

Where,

Ff = frictional force,

μ = coefficient of friction,

FN = normal force.

The car rounds a flat curve of radius R with a speed of vo. It is required to find the coefficient of friction between the tires and the road to prevent the car from sliding.

To prevent the car from sliding, the frictional force must be greater than the centripetal force.

Thus,μFN > mv2/r

Also,FN = mg

Where,

g = acceleration due to gravity.

Substituting for FN;

μmg > mv2/r

Dividing both sides by m;

μg > v2/r

Rearranging;

μ > v2/gr

To prevent the car from sliding, the car's speed vo cannot be greater than ugR.

Hence, statement (A) is true.

Therefore, the correct answer is (A) The car's speed vo cannot be greater than ugR.

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Answer:

watts

Explanation:

Answer:

its a.) watts

Explanation:

The approximate latitude and longitude of Shibuya City are 35.6595° N, 139.7010° E. The explanation of the main answer is given below:Latitude refers to the angular distance of a place north or south of the Earth's equator. Longitude, on the other hand, is the angular distance of a place east or west of the meridian at Greenwich,

England. Shibuya City, according to the question, has a latitude of 35.6595° N and a longitude of 139.7010° E.The elevation of Shibuya City is not given, so it is not possible to answer the question.How far is the distance to the ocean of Shibuya City can be determined using the ruler function. To calculate the distance, the map scale must first be established. After that, the distance can be determined using the ruler function provided. This question's map and ruler are not visible, so this answer cannot be answered.Shubaya City is considered an urban area. This is because Shibuya is Tokyo's main center for youth fashion and culture, attracting a diverse group of people who enjoy music, fashion, and entertainment. It is home to the most famous pedestrian crossing in the world. Shibuya is one of Tokyo's busiest areas, with many people moving around all the time.

As a result, Shibuya is classified as an urban area.The temperature controls such as latitude, elevation, distance from ocean (land-water heating differences), urban environment, and clouds influence the weather at Shibuya City by creating a temperate climate. The location of Shibuya City is at a moderate latitude, which results in moderate temperatures. The surrounding bodies of water, as well as the land-water heating differences, create a temperate climate that is not too hot or cold. The urban environment, on the other hand, causes the area to have slightly higher temperatures than the surrounding areas due to the heat generated by human activity.

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You were approximately 5.72 meters away from the second baseman. The vertical drop or distance between point A and point B was approximately 0.4576 meters.

To determine the distance between you (the shortstop) and the second baseman, we can use the formula for horizontal distance (d) traveled by an object moving at a constant horizontal velocity:

d = v * t

where:

- d is the horizontal distance traveled,

- v is the horizontal velocity of the ball,

- t is the time taken.

Given that the horizontal velocity (v) is 13 m/s and the time (t) is 0.44 s, we can calculate the horizontal distance (d) as follows:

d = 13 m/s * 0.44 s = 5.72 meters

So, you were approximately 5.72 meters away from the second baseman.

To find the vertical drop or the distance between point A and point B, we need to calculate the vertical component of the ball's motion. Since the ball is thrown horizontally, it will experience a constant vertical acceleration due to gravity.

The formula to calculate the distance (d) traveled vertically in free fall is:

d = 1/2 * g * t²

where:

- d is the vertical distance traveled,

- g is the acceleration due to gravity (approximately 9.8 m/s²),

- t is the time taken.

Given that the time (t) is 0.44 s, we can calculate the vertical distance (d) as follows:

d = 1/2 * 9.8 m/s² * (0.44 s)² = 0.4576 meters

So, the vertical drop or the distance between point A and point B is approximately 0.4576 meters.

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Answer:

The temp of the water will remain the same...BUT some of the water will be converted to steam

Explanation:

Boiling water has reached its max temperature of liquid state....adding more heat will create steam ...at a constant water temp

Answer:

400m

Explanation:

Brainliest? :))

Let your initial displacement from your home to the store be

Dd

>

1 and your displacement from the store to your friend’s house

be Dd

>

2.

Given: Dd

>

1 = 200 m [N]; Dd

>

2 = 600 m [S]

Required: Dd

>

T

Analysis: Dd

>

T 5 Dd

>

1 1 Dd

>

2

Solution: Figure 6 shows the given vectors, with the tip of Dd

>

1

joined to the tail of Dd

>

2. The resultant vector Dd

>

T is drawn in red,

from the tail of Dd

>

1 to the tip of Dd

>

2. The direction of Dd

>

T is [S].

Dd

>

T measures 4 cm in length in Figure 6, so using the scale of

1 cm : 100 m, the actual magnitude of Dd

>

T is 400 m.

Statement: Relative to your starting point at your home, your

total displacement is 400 m [S].

Answer:

The car manufacturers could increase bore of the cylinders, place the engine in the center or back of the car, add 1 to 2 turbochargers, and lower the center of gravity of the vehicle to increase traction.

Explanation:

Turbochargers would be recommended because they significantly increase both the torque of the engine as well as the amount of horses powering the car while also increasing original efficiency both with and without the additional power. Weight adjustment allows for lightweight vehicles with good traction. This is important to both keep control of the car under acceleration, but it also makes the vehicle more efficient due to the now sheddable unnecessary weight. A more obvious approach would be to increase the base horsepower and torque of the engine by increasing the bore of the cylinders and the weight of the pistons. This acts as an inertial lever, because the extra piston weight will drag the crankshaft faster. This could also be achieved by taking away piston weight, but this could be catastrophic should a piston slip.

Answer:B

Explanation:

Being familiar with the different types of galaxies that exist in the universe is the action which might lead the scientists to develop new explanations about the universe. Thus, the correct option is D.

Many religious person, including many great scientists, hold that the God has created the universe and the various processes which are the driving physical and biological evolution and that these processes then resulted in the creation of the different galaxies, the solar system, and life on the planet Earth.

The Big Bang theory states that the universe came into being from a single, unimaginably hot and dense point more than about 13 billion years ago. This did not occur in an already existing space. Rather, it initiated from the expansion and cooling of space itself.

Therefore, the correct option is D.

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