1. What are the properties of a compound? Give an example.

Answer:

Electrical>thermal>light

Explanation:

The amount of heat energy gained by the sample of copper is 15600 J

First, we shall carefully list out the given parameters from the table in the question above. This is given below:

The heat gained by the sample of copper cab be obtained as follow:

Q = MCΔT

Q = 2 × 390 × 20

Q = 15600 J

Thus, from the above calculation, we can conclude that the heat gained is 15600 J (none of the options are correct)

Learn more about heat:

https://brainly.com/question/16398667

#SPJ1

Answer:

1700 kg

Explanation:

The mass of the ford mustang car be 1700 kg.

In physics, mass is a quantitative measurement of inertia, a basic characteristic of all matter. It essentially refers to a body of matter's resistance to changing its speed or location in response to the application of a force.

The change caused by an applied force is smaller the more mass a body has. The kilograms serves as the unit of mass in the International System of Units (SI).

Given parameters:

Force applied on the ford mustang car: F = 5100 N.

Acceleration of the ford mustang car: a = 3 m/s^2.

So, The mass of the ford mustang car be = force/acceleration

= 5100/3 kg.

= 1700 kg.

Hence, the mass of the ford mustang car be  1700 kg.

Learn more about mass here:

https://brainly.com/question/19694949

#SPJ2

Answer:

It's a type of chemical bonding that rises from the electrostatic attractive force between conduction electrons and positively charged metal bars. It can also be described as the sharing of free electrons among a structure of positively charged ions

Your question is incomplete. Please read below to find the missing content.

Metallic bonds end result because of electrostatic forces of enchantment which results while the definitely charged atoms and negatively charged atoms interaction to form an everyday electron sea version.

Metallic bonds occur among metallic atoms. Whereas ionic bonds are part of metals to non-metals, metal bonding joins a bulk of metallic atoms. A sheet of aluminum foil and a copper cord are both places where you could see metallic bonding in action.

Learn more about electrostatic forces here: https://brainly.com/question/17692887

#SPJ2

The ball's speed, vf in m/s, when it strikes the ground is determined as 51.44 m/s.

The final speed of the bowling ball when it hits the ground is calculated by applying the principle of conservation of energy as follows;

The potential energy of the ball at the top of the building = kinetic energy of the ball at the bottom of the building

P.E(top) = K.E(bottom)

mgh = ¹/₂mv²

where;

gh = ¹/₂v²

v² = 2gh

v = √(2gh)

v = √(2 x 9.8 x 135)

v = 51.44 m/s

Thus, the final speed of the bowling ball when it hits the ground is independent of the mass of the ball but depends on the height of fall of the ball.

Learn more about final velocity here: https://brainly.com/question/25905661

#SPJ1

The complete question is below:

A bowling ball is dropped from the top of a building that has a height of h = 135 m. if drag produces an opposing force of 10 n while the ball's falling, what is the ball's speed, vf in m/s, when it strikes the ground? assume the ball has a mass of 5 kg.

The maximum mass of coal that the barge will carry in freshwater without sinking is 0.111 kg.

The volume of the barge is calculated as follows;

V = L³

V = (4.8 cm)³

V = 110.6 cm³

For the barge to float in freshwater, its density must be less or equal to density of water.

density(barge) = density(water)

density(barge) = 1 g/cm³

mass = density x volume

mass = 1 g/cm³ x 110.6 cm³

mass = 110.6 g

mass = 0.111 kg

Thus, the maximum mass of coal that the barge will carry in freshwater without sinking is 0.111 kg.

Learn more about density here: https://brainly.com/question/6838128

The sample standard deviation, s = 0.37, and the number of parts selected, n = 51. The degrees of freedom for the distribution of sample variance or standard deviation is n - 1, which gives 50 degrees of freedom at the 95% confidence level.

The sample standard deviation, s = 0.37, and the number of parts selected, n = 51. The degrees of freedom for the distribution of sample variance or standard deviation is n - 1, which gives 50 degrees of freedom at the 95% confidence level. Using this, we can find the critical values for constructing the confidence interval as:

lower critical value = χ²(0.025, 50) = 33.919

upper critical value = χ²(0.975, 50) = 71.420

The confidence interval for the population variance, σ², can be calculated as:

[(n - 1)s² / χ²(α / 2, n - 1), (n - 1)s² / χ²(1 - α / 2, n - 1)]

Where α = 0.05, the significance level. Substituting the given values, we get: [(50 x 0.37²) / 71.420, (50 x 0.37²) / 33.919]

This simplifies to:[0.073, 0.164]

The confidence interval for σ is the square root of the interval for σ². Thus, the 95% confidence interval for σ is: [√0.073, √0.164][0.270, 0.405]

Thus, we can be 95% confident that the true population standard deviation, σ, lies within the interval [0.270, 0.405].

To know more about standard deviation visit: https://brainly.com/question/29115611

#SPJ11

Friction furnishes most of the force to make cars turn in a curve. Banking a curve adds to the force due to the gravitational component of the normal force exerted by the road on the car.

When a car turns in a curve, the main force that helps it turn is called friction. Friction is the force that opposes motion between two objects that are in contact with each other. In the case of a car turning in a curve, the friction between the tires and the road helps the car maintain its direction and turn smoothly. Banking a curve refers to the slope of the road that is tilted towards the inside of the curve. This tilt adds to the force that helps the car turn by creating a gravitational component to the normal force that the road exerts on the car. The normal force is the force that acts perpendicular to the road and prevents the car from sinking into the road. The gravitational component of the normal force increases the overall force that helps the car turn, making it easier to maneuver the curve.

Learn more about friction here: brainly.com/question/29155393

#SPJ4

The various process used by farmers from sowing of seeds to the market-ready products are:

Here are the various processes used by farmers from sowing of seeds to the market-ready products:

Learn more about land preparation here:https://brainly.com/question/18359716

#SPJ1

Answer:

D

Explanation:

Answer:

Force can also be described intuitively as a push or a pull. ... It is measured in the SI unit of newtons and represented by the symbol F. The original form of Newton's second law states that the net force acting upon an object is equal to the rate at which its momentum changes with time.

Explanation:

hope this helps : )

Answer:

\(-9.06\:\mathrm{m/s^2}\)

Explanation:

We can use the following kinematics equation to solve for acceleration:

\(v_f=v_f+at\).

Solving for \(a\):

\(45=93+5.3a,\\-48=5.3a,\\a\approx \boxed{-9.06\mathrm{m/s^2}}\)

*Note: Since acceleration is a vector quantity, it has both magnitude and direction. The negative sign implies that the acceleration is in the opposite direction of the racing dragster's movement.

If the linear distance on the screen from the central fringe to the first bright fringe above it is 5.28 cm, 9.19m is the separation of the slits.

The double-slit experiment is a proof in modern physics that light and matter can exhibit properties of both classically defined waves and particles. It also shows that quantum mechanical phenomena are fundamentally probabilistic.

The formula to be used here is:

Linear distance (y) = nλL / d

where n = bright fringe

          L = distance of screen from slits

          λ = wavelength

          d = distance between slits

Plugging in the values we get,

0.0528 = 5.58×\(10^{-7}\) × 8.70 / d

0.0528 = 48.546×\(10^{-7}\) / d

d = 919.431818×\(10^{-7}\)

d = 9.19m

The complete question is; Light with a wavelength of 558 nm passes through two slits and forms an interference pattern on a screen 8.70 m away. If the linear distance on the screen from the central fringe to the first bright fringe above it is 5.28 cm, what is the separation of the slits

Learn more about bright fringe here;

https://brainly.com/question/12732324

#SPJ4

Answer:

C - Branden believes that he is not okay unless he is perfect.

Explanation:

sorry im late but good luck <3

Answer:

c

Explanation:

The orange was at a height of 3.26 m above the ground.

The third equation of motion is

v² - u² = 2aS

Given is an orange dropped from a tree and had a velocity of 8 m/s just before it hits the ground.

We can write -

[v] = 8 m/s

[a] = 9.8 m/s²

[u] = 0 m/s

Using third equation of motion, we get -

v² - u² = 2aS

64 - 0 = 2 x 9.8 x S

64 = 19.6 x S

S = 3.26 m

Therefore, the orange was at a height of 3.26 m above the ground.

To solve more questions on Kinematics, visit the link below-

https://brainly.com/question/14132842

#SPJ1

The expression for the heat transfer q in such a wall is given by q = -k0 (T2 - T1)/L - βk0 (T2 - T1)T2^2/L + βk0 (T2 - T1)T1^2/L.

Given that the plane wall has a steady state of area A and thickness L.

Also, it is constructed of a material having thermal conductivity varying with the square of its temperature according to the relation

k=k0(1 + βT^2).

Therefore, the Fourier law states that

Q = -k A dT/dx

Thus, the rate of heat transfer per unit area is given by

q = -k dT/dx (i.e., Q/A = -k dT/dx)

From Fourier's law, we know that the rate of heat transfer per unit area is given by,

q = -k dT/dx

For the steady state, we have the temperature gradient as

dT/dx = (T2 - T1)/L

Also, we know that the thermal conductivity varies as the square of its temperature.

Therefore,

k = k0(1 + βT^2)

Substituting the value of the temperature gradient and thermal conductivity in the above equation, we have;

q = -k dT/dx

= -k0(1 + βT^2) (T2 - T1)/L

= -k0 (T2 - T1)/L - βk0 (T2 - T1)T2^2/L + βk0 (T2 - T1)T1^2/L

Thus, the expression for the heat transfer q in such a wall is given by

q = -k0 (T2 - T1)/L - βk0 (T2 - T1)T2^2/L + βk0 (T2 - T1)T1^2/L.

To know more about heat transfer, visit:

https://brainly.com/question/13433948

#SPJ11

Answer:

Stars are very massive stellar objects, which means that they have a very intense force of gravity. This is the first of the forces entering this "war".

In addition to that, due to the force of gravity that drives the star to contract, the process known as fusion occurs (the union of atoms of one element that results in another element, hydrogen fuses in stars to produce helium). The fusion created in the high temperatures of the center of the star generates an enormous amount of energy (which causes the stars to shine) and a force going outward of the star counteracting gravity, this is the second force in the "war" .

In a stable star these two forces (gravity going inward and the pressure created by the fusion going outward ) are in balance, preventing the star from exploding or collapsing. But eventually the star exhausts its "fuel" (hydrogen atoms) to produce fusion within it (although stars also fuse helium and other heavier elements, but once the hydrogen is finished the star is near its end), which decreases the force outward from the star, making the force that wins this battle to be the force of gravity.

When the force of gravity wins, the star collapses on itself and from here, depending on the star's mass, several things can happen, such as the star becoming a white dwarf, a supernova, even a black hole.

The life cycle of stars may be boiled down into a tug of war, lasting billions of years, between two basic forces -

Stars are very massive stellar objects and remain the longest in the stage when it is burning Hydrogen into Helium.

Thus,

The life cycle of stars may be boiled down into a tug of war, lasting billions of years, between two basic forces -

Learn more:

https://brainly.com/question/13172138

Astronomers call the vast, rotating cloud of vapor and dust from which the solar system formed as D) The Solar Nebula.

The Solar Nebula is the rotating cloud of gas and dust that is believed to have formed the Sun and the solar system approximately 4.6 billion years ago. This theory is supported by observations of other star-forming regions in our galaxy, which exhibit similar conditions and structures. As the Solar Nebula collapsed under its own gravity, it began to spin faster and flatten into a disk shape, with the Sun forming at the center and the planets forming from the material in the disk.

The Solar Nebula theory is currently the most widely accepted explanation for the formation of the solar system. It states that a rotating cloud of gas and dust collapsed under its own gravity, eventually forming the Sun and the planets.

Learn more about Solar Nebula here:

https://brainly.com/question/14151385

#SPJ11

Other than temperature, the property that also has an effect on the rates of chemical reactions is the concentration of the reactants. The correct answer is B

The rate of chemical reaction means how chemical react with respect to time or as a function of time. The rate of chemical reaction tells us the speed or how fast chemicals react.

There are many factors that can affect the rate of chemical reaction. Temperature is one of them. Increase in temperature will increase the rate at which chemical react.

The color of reactants, solubility of reactants and volume of reactants have nothing to do with the rate of chemical reaction.

Other than temperature, the property that also has an effect on the rates of chemical reactions is the concentration of the reactants.

Other factors affecting the rate of chemical reaction are:

Therefore, the correct answer is option B

Learn more about chemical reaction here: https://brainly.com/question/11231920?source=archive

The mass and weight of object on moon is 0.0138kg  and 0.0229kg .

Since force is a vector quantity, we must consider the direction in which it acts. There are two main types of frictional force: static force (Fst) and sliding force (Fsl). Normal forces (FN) produce these forces acting perpendicular to the direction of motion, although they act in the opposite direction to the object's motion.

It is equivalent to the weight of the object plus the extra weight. For example, pushing down on a block of wood on a table increases the normal force and thus the frictional force.

me=12Kg

ge=10

gm=10/6= 1.66

M=?

me ge =M gm

M=me ge/gm

M=120/1.66

M=0.0138kg

W=mg =0.0138 x 10kg

To know about weight of object on moon -

https://brainly.com/question/20594451

#SPJ4

The acceleration of the body would be 3m/s^2 when a body starts from rest and gains a velocity of 6m/s in 2 second of time.

To know more about acceleration visit:

https://brainly.com/question/12550364

#SPJ10

Answer:

They will separate and either burn out or fall into the sea.

Explanation:

The rocket will become too hot for the satellite to handle. So when they separate the satellite will be destroyed, and just be floating junk in space or fall in the ocean and cause more problems for us.

Answer:

At 5km/hr; Hypnotist travels with a higher speed.

Explanation:

Let hypnotist be H while Raul be R.

Given the following data;

Distance H = 5km

Time H = 1 hour

Distance R = 5km

Time R = 2 hours

To find the their respective speed;

a. For H;

Speed = distance/time

Speed H = 5/1

Speed H = 5km/hr

b. For R;

Speed = distance/time

Speed R = 5/2

Speed R = 2.5 km/hr

Therefore, hypnotist travels with a higher speed.

Answer:

It's climate sensitivity.

Answer:

Radiation

Explanation:

The sun heat the earth by the process called radiation.

Radiation is form of heat transfer method just like convection and conduction. Radiation heat transfer does not require medium to propagate, unlike its other two counterparts. There is no medium between earth and sun.

The radiation heat travels through space in form of waves. Like the electromagnetic wave with a specific speed and energy.

Answer:

D=mass /volume

=60/0.002

=30000

In a chemical reaction, energy is conserved because it is neither created nor destroyed during the chemical reaction

The law of conservation of energy states that energy cannot be created or destroyed but can be changed from one form to another.

In a chemical reaction, energy is used to break the bonds of the reactant and it's released when products are formed.

Therefore, In a chemical reaction, energy is conserved because it is neither created nor destroyed during the chemical reaction.

Learn more about energy here:

https://brainly.com/question/19666326

#SPJ1

Answer:

More horsepower = more power use.

Explanation:

Horsepower is just a measure of power, similar to Watts (1 horsepower = 745.7 W). So, as a simple example, a lightbulb that uses 1 hp will have a higher power use than a lightbulb that uses 2 hp.

The frequency of the G allele in the population is 0.4, the correct option is B. 0.4.

The frequency of beetles with glabrous elytra in a population of ground beetles is 0.36. The frequency of the G allele is to be calculated, assuming that the population is in Hardy-Weinberg equilibrium.

What is Hardy-Weinberg equilibrium? The Hardy-Weinberg equilibrium is a model that describes the genetic makeup of a non-evolving population.

This model postulates that the genetic variation in a population remains constant from generation to generation in the absence of disturbing influences such as mutation, migration, or natural selection.

According to the Hardy-Weinberg equilibrium, the frequency of alleles and genotypes remains constant if certain conditions are met.

The Hardy-Weinberg equilibrium is represented by the following equation:p2 + 2pq + q2 = 1 Where:p2 = frequency of homozygous individuals (GG)2pq = frequency of heterozygous individuals (Gg)q2 = frequency of homozygous recessive individuals (gg)p + q = 1Now let's move on to the calculation of the frequency of the G allele.

The frequency of individuals with the gg genotype can be obtained from the following equation:q2 = 0.36q2 = 0.36^(1/2)q = 0.6

The sum of the frequency of all genotypes must be equal to 1, which can be used to calculate the frequency of the G allele:p + q = 1p = 1 - qp = 1 - 0.6p = 0.4The frequency of the G allele in the population is 0.4.Therefore, the correct option is B. 0.4.

To know more about Hardy-Weinberg equilibrium. refer here:

https://brainly.com/question/16823644#

#SPJ11