if 1.50 g of a reacts with 1.65 g of b , what is the mass of c ?

The given series, 1 + 7n Σ 57 n = 1, is divergent because the terms in the series continue to increase without bounds, the sum of the series also increases indefinitely.

To determine the convergence or divergence of the series, we can analyze its behaviour as n approaches infinity. The series can be written as Σ(1 + 7n*57) for n = 1 to infinity. By simplifying the expression, we have Σ(399n + 1) for n = 1 to infinity.

As n increases, the summand of the series grows linearly with a coefficient of 399. Since the coefficient is nonzero and positive, the series will diverge. This means that the sum of the series will not approach a finite value as n tends to infinity.

Therefore, the given series is divergent, and we cannot find its sum. It is important to note that a divergent series does not have a finite sum. Therefore, the sum of the given series is "DIVERGES."

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The percent variation in thrust between sea level and 10km altitude for a rocket with a chamber pressure of 20 atm and area ratio of 6 is approximately 37.5%.

As a rocket rises from sea level to 10km altitude, the atmospheric pressure decreases, which affects the rocket's thrust output. The thrust output of a rocket is proportional to the pressure difference between the chamber pressure and the ambient pressure.

Assuming a constant chamber pressure of 20 atm, the ambient pressure at sea level is approximately 1 atm, while at 10km altitude it is approximately 0.1 atm. This means the pressure difference decreases as the rocket ascends.

In addition, the area ratio of the rocket also plays a role in the thrust output. A higher area ratio generally leads to a higher thrust output.

Using equations that relate thrust to pressure and area ratio, it can be calculated that the percent variation in thrust between sea level and 10km altitude for a rocket with a chamber pressure of 20 atm and area ratio of 6 is approximately 37.5%.

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Answer:

260 Newtons

Explanation:

Okay, so what you have to do is know what the question is asking. It wants to know the force perpendicular to the ground. We know perpendicular makes a right angle, so we use the diagram to make it into a right triangle with a degree of 60, and hypotunese of 300 newtons. Now, we use basic trigonometry, we place x on the horizontal side since it perpendicular to the ground. We know it´s sin because x is opposite to 300 which is the hyp.

Sin= opp/hyp

x/300

sin(60)= x/300

300*sin(60)= 259.8, which rounds to

260 Newtons

There is your answer :D. Happy to help.

The component of the force which is perpendicular to the ground is → F [y] = 261 a[y].

A vector V making an angle θ with the x - axis, can be resolved into two two components along the x and y - axes respectively as →

V = Vcosθ a[x] + Vsinθ a[y]

where -

a[x] is the unit vector along the +x axis

a[y] is the unit vector along the +y axis.

Given is a force of magnitude 300 N acting on the handle that makes an angle of 60° with the horizontal ground.

The component normal to the ground will be the component along the  y - axis. The component along the y - axis is the sine component. Suppose that vector F represents the force of magnitude (|F|) 300 N. The component perpendicular to the ground will be -

F [y] =  |F| sinθ a[y]

F [y] = 300 x sin(60°)  a[y]

F [y] = 300 x 0.87

F [y] = 261 a[y]

Therefore, the component of the force which is perpendicular to the ground is → F [y] = 261 a[y].

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To create a net electric field of zero at the origin, a -60-microcoulomb charge should be placed at a position on the x-axis that is symmetrically opposite to the 40-microcoulomb charge, specifically at x = -4.0 cm.

The net electric field at a point is the vector sum of the individual electric fields created by each charge present. In this scenario, a 40-microcoulomb charge is positioned at x = 4.0 cm on the x-axis.

To produce a net electric field of zero at the origin (x = 0), a -60-microcoulomb charge needs to be placed at a location that cancels out the electric field produced by the 40-microcoulomb charge.

Since electric fields follow the inverse square law, the -60-microcoulomb charge should be positioned at a symmetrically opposite point on the x-axis, specifically at x = -4.0 cm. This way, the electric field vectors generated by the charges will cancel each other out, resulting in a net electric field of zero at the origin.

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It's internal energy decreases of 18000J.

ΔQ = ΔU + ΔW

-12000J = ΔU + 6000

ΔU = - 18000J

Internal energy is the energy attributed to the disorderly, haphazard motion of molecules. It refers to the intangible microscopic energy on the atomic and molecular levels, which is distinct in scale from the macroscopic organised energy connected to moving objects. A glass of water that is at normal temperature and is resting on a table, for instance, has no discernible potential or kinetic energy. Although it is a seething mass of molecules moving at hundreds of metres per second at the microscopic level. When we superimpose an ordered big scale motion on the water as a whole, this tiny energy would not necessarily alter if the water were thrown across the room.

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Answer:

I mean its probably a magnet so look at the fraction of the initial Kinetic Energy of magnets

Explanation:

Answer:

5.5 KG is the mass

53.9 is the Weight

(a.i) The velocity of the entangled cars after the collision is 8.53 m/s.

(a.ii) The loss in kinetic energy of the situation described is  179,201.7 J.

(b) The final velocity of the heavier car if the smaller car moved backwards is 11.85 m/s forward.

The final velocity of the cars after the collision is calculated by applying the principle of conservation of linear momentum as shown below.

m₁u₁  +  m₂u₂  = v(m₁ + m₂)

where;

820(25.6) + 1640(0) = v(820 + 1640)

20,992 + 0 = 2460v

v = 20,992 / 2460

v = 8.53 m/s

The lost in kinetic energy of the situation described is calculated as follows;

ΔK.E = K.Ei - K.Ef

K.Ei = ¹/₂m₁u₁²  +   ¹/₂m₂u₂²

K.Ei = ¹/₂(820)(25.6)²  +   ¹/₂(1640)(0)²

K.Ei = 268,697.6 J

K.Ef = ¹/₂(m₁ + m₂)v²

K.Ef = ¹/₂(1640 + 820)(8.53)²

K.Ef = 89,495.91 J

ΔK.E = K.Ei - K.Ef

ΔK.E = 268,697.6 J - 89,495.91 J

ΔK.E =  179,201.7 J

The final velocity of the heavier car if the smaller car moved backwards is calculated as;

m₁u₁  +  m₂u₂  = m₁v₁ + m₂v₂

where;

m₁u₁  +  m₂u₂  = m₁v₁ + m₂v₂

820(25.6) + 1640(0) = (820)(-1.9) + 1640(v₂)

20,992 = 1558 + 1640v₂

1640v₂ = 19,434

v₂ = 19,434 / 1640

v₂ = 11.85 m/s

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The correct answer is A. He created a way of naming organisms based on genus and species

Explanation:

Carl Linnaeus created a simple but precise system for naming organisms of any species and kind. This system was known as binomial nomenclature and the names of organisms depend on two main elements: the genus and the species. The first element is a broad category that covers species with a common origin, and the second one is the species, which describes organisms that can reproduce and share many common features including DNA sequence. According to this, the correct answer is A.

Answer:

Explanation:

F = ma. For us, this looks like

60 = 30a and

a = 2 m/s/s

If the force goes up to, say, 90, then

90 = 30a and

a = 3...if the force goes up, the acceleration also goes up.

If the mass goes up to say, 60, and the force stays the same, then

60 = 60a and

a = 1...if the mass goes up, the acceleration goes down.

Gravity on Earth pulls objects to the center of the Earth about 9.8 meters per second per second. The child's mass on the moon or at a space station is 40 kg. The child's weight at these places changes because gravity is different at these locations.

Explanation:

hope this may help you

have a nice day

Answer:

B. 3

Explanation:

The charge enclosed by a Gaussian sphere of radius r, where 0 < r < r, is q. This is because the charge enclosed by a Gaussian surface only depends on the total charge inside the surface, and not on the shape or size of the surface.

In this case, the conducting sphere of radius r is the same as the Gaussian sphere of radius r, so all of the charge q is enclosed by the Gaussian sphere. As the radius of the Gaussian sphere decreases to zero, the charge enclosed by the sphere also decreases to zero, since there is no charge inside the sphere

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Answer:

Explanation:

The speed of a wave is a product of its wavelength and frequency

Wavelength is inversely proportional to frequency

Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.

The answer is shorter

The planet's climate thermostat, as well as the world's chief greenhouse gas, is primarily water vapor. The correct option is A.

Water vapor is the most abundant greenhouse gas in the atmosphere, accounting for about 60% of the greenhouse effect. It is also the most important feedback mechanism in the climate system. When the Earth's temperature rises, more water evaporates from the oceans and other water bodies. This water vapor then traps more heat in the atmosphere, which further raises the temperature. This feedback loop can lead to runaway climate change.

Carbon dioxide is the second most abundant greenhouse gas in the atmosphere, accounting for about 20% of the greenhouse effect. It is released into the atmosphere by the burning of fossil fuels, deforestation, and other human activities. Carbon dioxide is a very long-lived greenhouse gas, meaning that it can remain in the atmosphere for hundreds of years.

Methane is the third most abundant greenhouse gas in the atmosphere, accounting for about 10% of the greenhouse effect. It is released into the atmosphere by the decomposition of organic matter, such as in landfills and wetlands. Methane is a very potent greenhouse gas, meaning that it has a much stronger warming effect than carbon dioxide.

Ozone is a greenhouse gas that is found in the stratosphere, the layer of the atmosphere that is about 10-50 kilometers above the Earth's surface. Ozone is formed when ultraviolet radiation from the sun splits oxygen molecules into two oxygen atoms. These oxygen atoms then combine with other oxygen molecules to form ozone. Ozone is a very effective absorber of ultraviolet radiation, which helps to protect the Earth from this harmful radiation. However, ozone is also a greenhouse gas, and it contributes to the greenhouse effect.

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Problem:

A mass of 10 kg is moving at a velocity of 5 m/s. The mass undergoes a deceleration of 10 m/s^2, resulting in a collision. Calculate the force acting upon the mass in the collision.

Solution:

First, we need to calculate the initial momentum of the object before the collision. Momentum is defined as the product of an object's mass and its velocity, so the initial momentum of the mass is 10 kg * 5 m/s = 50 kg*m/s.

Next, we can use the formula for force, which is defined as the product of an object's mass and its acceleration. In this case, the force acting upon the mass in the collision is 10 kg * 10 m/s^2 = 100 N.

To compare the force acting upon the mass in a faster deceleration, we can assume that the mass undergoes a deceleration of 20 m/s^2 instead of 10 m/s^2. In this case, the force acting upon the mass would be 10 kg * 20 m/s^2 = 200 N, which is twice as large as the force in the original scenario.

Similarly, in a slower deceleration of 5 m/s^2, the force acting upon the mass would be 10 kg * 5 m/s^2 = 50 N, which is half as large as the force in the original scenario.

At  1.29 T/s rate must the magnitude of B change in order to induce a current of 0.392 A in the windings of the coil.

Using Faraday's Law, we can relate the induced EMF (voltage) to the rate of change of magnetic flux through the coil:

\(EMF = -N(dΦ/dt)\)

where N is the number of turns in the coil, and Φ is the magnetic flux through the coil. The negative sign indicates that the induced EMF opposes the change in flux.

We can also relate the EMF to the current and resistance:

EMF = IR

Combining these equations, we can solve for the rate of change of magnetic flux:

\((dΦ/dt) = -EMF/N = (-IR)/N\)

Plugging in the given values, we get:

\((dΦ/dt) = (-0.392 A x 12.7 Ω) / 147 = -0.0337 Wb/s\)

Since the magnetic field is perpendicular to the plane of the coil, the magnetic flux through the coil is given by: \(Φ = BAN\)

where A is the area of the coil (5 cm x 8 cm = 0.04 m^2). Solving for the rate of change of magnetic field:

\((dB/dt) = (dΦ/dt) / AN = (-0.0337 Wb/s) / (0.04 m^2 x 147) = -1.29 T/s\)

Therefore, the magnitude of the magnetic field must decrease at a rate of 1.29 T/s in order to induce a current of 0.392 A in the coil.

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Answer:

1. Reuse your bath water for plants

2. Take speedy showers.

3. Turn off the water while brushing your teeth.

4. Help fill the dishwasher.

5. Wash your apple in a bowl of water.

6. Don't wash your car often

7. Fix any leaky taps at home

8. Collect rainwater

9. Avoid the use of recreational water toys

10. Don’t fill up a water cup to the brim

Yes It is conceivable for a force to produce less torque when it is greater than a force that is smaller.

An object's motion can be altered by unbalanced forces.Two things cause this.An object will move if an imbalanced force pushes and pulls on it while it is at rest.Unbalanced forces also can cause an item in motion to shift its speed or direction.

Students are aware that unbalanced forces can cause objects to accelerate, decelerate, or change direction during their motion.

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Answer:

The plastic is too much like other things that are allowed. Sometimes it is too thin, as well. Or sometimes the gates are just not that modern and advanced enough to detect them.

True.

When a hydrophobic molecule is placed in water, it disrupts the hydrogen bonding between water molecules. As a result, water molecules near the hydrophobic molecule will orient themselves in a way that minimizes contact with it. This means that the hydrophobic molecule will be surrounded by water molecules that are arranged in a more ordered and structured way than the surrounding water. This effect is known as the hydrophobic effect and is responsible for many important biological processes, such as the folding of proteins. Overall, the hydrophobic effect plays a crucial role in determining the behavior of molecules in aqueous environments.

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Answer:

The answer is B.

Explanation:

Because that's the one that's more-so higher up than the other soccer balls. This grants the ball to have higher potential energy than the rest.

Quote:

"Your body is as weak as your soul, so it is easy to separate the two."

- Akuma

The ball b would have the greatest amount of the potential energy as the mass of each ball is the same then the ball on the highest altitude would have the greatest amount of the potential energy contained with it.

Mechanical energy is the combination of all the energy in motion represented by total kinetic energy and the total stored energy in the system which is represented by total potential energy.

The mechanical energy = potential energy + kinetic energy

As given in the problem, the image here shows four soccer balls at four different locations on an uneven soccer field very near sea level.

The potential energy of the ball = mass×gravity×height

Since each ball's mass is the same, the ball at the highest altitude would have the most potential energy within it. As a result, ball b would have the greatest quantity of potential energy.

Thus,the correct answer is option A.

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Recycling helps the environment in a number of ways. Firstly, it reduces the amount of waste that ends up in landfills, which not only takes up valuable space but also creates harmful greenhouse gases.

By recycling materials such as paper, plastic, and glass, we can reduce the need for new resources to be extracted and manufactured, which in turn reduces the amount of energy and emissions associated with these processes. Recycling also helps to conserve natural resources, as materials such as metals and paper can be reused over and over again. Overall, recycling is a crucial step in reducing our impact on the environment and creating a more sustainable future.

we decrease the demand for new resources, preserve natural habitats, and minimize pollution. Additionally, recycling conserves energy as it requires less energy to process recycled materials compared to extracting and processing raw materials. Overall, recycling plays a significant role in maintaining a sustainable and healthy environment.

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Ernest rutherford was a prominent scientist who contributed significantly to the theory of atomic structure.  Yes, the following statement is true.

Ernest Rutherford is considered one of the greatest scientists and experimentalists who worked on the atomic model and is also known for his contribution to nuclear physics.

he discovered that an atom is composed of three fundamental particles i.e. electrons, protons, and neutrons.

Most of the spaces are empty in an atom while its all mass is confined in a dense positively charged area called the nucleus.

Moreover, he also discovered alpha and beta radiations emitting from uranium.

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Answer:

C.

Explanation:

For every action there is a opposite negative reaction. So what ever the positive action is there is the negative reaction for it.

For example: +10 action and -10 reaction. It will always equal 0. If it doesn't then you probably might have done something wrong.

Answer:

always equal to zero