which type of wave has a wave perpendicular to the disturbance?responses surface surface longitudinal longitudinal mechanical mechanical transverse

The velocity of the jet is calculated to be 900 miles/hr when the relation between velocities of both propeller and the jet is given.

The distance travelled by a propeller plane and a jet = 3000 miles

Velocity of the plane Vp = 1/3 Velocity of the jet Vj

Vp = 1/3 Vj

Vj = 3 Vp ----(1)

Time taken by the propeller plane to complete the trip = 10 hours

Velocity of the propeller plane = Distance of the propeller plane/Time

⇒ 3000/10 = 300 miles/hr

The velocity of the jet = 3 times the velocity of the propeller plane

⇒ 3 × 300 miles/hr = 900 miles/hr

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Apply Boyle's law:

P1 V1 = P2 V2 =P3 V3 = P4 V4

(33.3)(100) = P4 ( 12.5 )

3330 = 12.5 P4

3330/12.5 = P4

P4 = 266.4 kPA

Answer:

A. 266.4 kPa

The direction of the friction force is opposite to the direction of the velocity of a sliding object. This means that the friction force acts in the direction opposite to the motion of the object.

When an object slides on a surface, there is often a resistance to its motion called friction. Friction arises due to the interaction between the surfaces in contact and can slow down or stop the object's motion. The friction force always acts in a direction opposite to the direction of motion, or velocity, of the sliding object. This is because the friction force is caused by the irregularities in the surfaces, which push against each other as the object moves. The force of friction is proportional to the normal force pressing the surfaces together, and the coefficient of friction between the surfaces. Understanding the direction of the friction force is important in many practical applications, such as braking systems in vehicles.

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So free point OK ty see ya!

The volume of the region enclosed by the curves y=2x, y=x^2 rotated about the x-axis is 64π/3 cubic units.

To find the volume of the region enclosed by the curves y=2x, y=x^2 rotated about the x-axis, we can use the method of cylindrical shells.

First, we need to determine the limits of integration. Since the curves intersect at (0,0) and (2,4), we can integrate from x=0 to x=2.

Next, we need to express the functions in terms of x. We can write y=2x as x=y/2, and y=x^2 as x=√y.

Now, we can use the formula for the volume of a cylindrical shell:

V = ∫(2πrh)dx

where r is the radius of the shell, h is the height of the shell, and x is the variable of integration.

The radius of the shell is given by r=x, and the height of the shell is given by h=y-2x. So, we have

V = ∫(2πx(y-2x))dx from x=0 to x=2

Substituting x=y/2 and h=y-2x, we obtain

V = ∫(2πy^2/2-4πxy+4πx^2)dy from y=0 to y=4

Evaluating the integral, we get

V = 64π/3 cubic units

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I have solved the question in general, as the given question is incomplete

The complete question is:

How do you find the volume of the region enclosed by the curves y=2x, y=x^2 rotated about the x-axis?

Answer:

7. 0  = 500 kilotons of TNT = 2.0 x 10^15 joules

8.0 =  15 million tons of TNT = 6.3 x 10^16  joules

9.0 = 500 million tons of TNT = 2.0 x 10^18  joules

atomic bomb dropped on Hiroshima had a equivalent of 15 kilotons TNT

Explanation:

formula :

log E = 5.24 + 1.5M

M is richter scale magnitude

if 8.3 = richter scale magnitude

log E = 11.8 + 1.5M Write the formula.

log E = 11.8 + 1.5(8.3) Replace M with 8.3.

log E = 24.25 Simplify

10^log E = 10^24.25

E = 10^24.25

E ≈ 1.78 x 10^24 ergs ≈ 1.78 × 1017 joules

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The two particles, p and q, meet at a height of 70 meters above the ground.

Particle p is shot vertically upwards with an initial velocity of 40 m/s. We can use the equation for vertical displacement to find the height reached by particle p after time t:

h_p = v_p * t_p - 0.5 * g * t_p^2

where v_p is the initial velocity of particle p, t_p is the time for particle p to reach the meeting point, and g is the acceleration due to gravity.

Next, particle q is shot after 4 seconds. Let's denote the time taken by particle q to reach the meeting point as t_q. Since particle q is shot after particle p, it will have a shorter time of flight. Therefore, we can express the height reached by particle q as:

h_q = v_q * t_q - 0.5 * g * t_q^2

where v_q is the initial velocity of particle q.

At the meeting point, the heights reached by particles p and q are equal, so we have:

h_p = h_q

Substituting the expressions for h_p and h_q, we can solve for t_p and t_q:

40 * t_p - 0.5 * g * t_p^2 = v_q * t_q - 0.5 * g * t_q^2

Given that the velocity of particle p at the meeting point is 15 m/s, we have:

v_p = 15

Solving these equations simultaneously will give us the values of t_p and t_q.

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An internal combustion engine is an engine in which combustion takes place inside the engine and is used to generate mechanical power.

Step 1: Intake: During the intake stroke, the engine takes in air (if it is naturally aspirated) or a mixture of air and fuel (if it is fuel-injected) and compresses it. In the combustion chamber, this mixture is drawn in through the intake valve. The carburetor mixes the fuel and air, while the fuel injectors inject fuel directly into the combustion chamber.

Step 2: Compression: During the compression stroke, the piston moves back up to compress the mixture of air and fuel. The spark plug fires, igniting the compressed mixture of air and fuel, and generating a tremendous amount of heat.

Step 3: Combustion: When the spark plug ignites the fuel-air mixture, the mixture ignites and burns, causing a rapid expansion of the hot gases and the expulsion of the piston. This energy is used to generate power by pushing the piston down, which turns the crankshaft. This energy is then transmitted to the wheels via the transmission.

Step 4: Exhaust:During the exhaust stroke, the exhaust valve opens, and the piston moves up to push the hot gases out of the combustion chamber. The exhaust system then takes the hot gases away from the engine and discharges them into the atmosphere.

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Answer:

yes

Explanation:

weight depends on the strength of gravity, so on a different planet, or on the moon for example, things would have a different weight but have the same mass.

The girl will find the ball at a horizontal distance of 20*√(20) meters from the point where she threw it, and it will hit the ground at the same time as she does.

h = ut + (1/2)at²

where h is the initial height (100 m), u is the initial velocity (zero), a is the acceleration due to gravity (-9.8 m/s²), and t is the time taken, we get:

100 = 0t + (1/2)(-9.8)*t²

Solving for t, we get:

t = √(20) seconds

Now, let's look at the horizontal motion of the ball. Since the horizontal speed of the ball remains constant at 20 m/s, the distance it travels in time t is:

d = v*t

d = 20*√(20) meters

Distance can be defined as the amount of space between two objects or points in a physical or abstract sense. It is commonly used to describe the length or magnitude of the separation between two entities. In the physical sense, distance is usually measured in units such as meters, kilometers, miles, or feet. It can also be measured in terms of time, such as the duration it takes to travel from one point to another. In the abstract sense, distance can refer to the emotional or psychological separation between individuals or groups.

Distance plays a significant role in various fields such as physics, mathematics, geography, and navigation. It is essential in understanding concepts such as speed, velocity, and acceleration, as well as in determining the position of objects in space. In navigation, distance is critical in determining the shortest route between two points and estimating the time needed to travel it.

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Answer:

17.565 kgm/s

Explanation:

Momentum = mass × velocity

I = mv..................... Equation 1

But we can calculate the value of v  using the equation of motion under gravity.

v² =  u²+2gs............. Equation 2

Where u = initial velocity, s = maximum heigth, g = acceleration due to gravity.

Given: u = 0 m/s (at the maximum heigth), s = 7.0 m.

Constant: g = 9.8 m/s²

Substitute these values into equation 2

v² = 0²+ 2×7×9.8

v² = 137.2

v = √137.2

v = 11.71 m/s.

Also given: m = 1.50 kg

substitute these values into equation 1

Therefore,

I = 1.5×11.71

I = 17.565 kgm/s

The electromagnetic force is the universal force that governs the interactions between charged particles. It plays a crucial role in various physical phenomena and is essential to understanding the behavior of charged particles in the universe.

All objects in the universe are governed by four universal forces, namely gravity, electromagnetic force, strong nuclear force, and weak nuclear force. The electromagnetic force is responsible for the interaction between positively and negatively charged particles. This force is fundamental to all chemical reactions and plays a crucial role in determining the properties of matter. Understanding the electromagnetic force is critical to understanding the nature of the universe and the behavior of matter at its most fundamental level. The electromagnetic force is one of the four universal forces and is responsible for the interaction between positively and negatively charged particles.

The force that causes positively and negatively charged particles to interact with one another is called the electromagnetic force. This force is one of the four fundamental forces in the universe, which also include the gravitational force, the strong nuclear force, and the weak nuclear force.The electromagnetic force is responsible for the interaction between charged particles, and its strength is determined by the charges of the particles and the distance between them. It can be either attractive or repulsive, depending on the charges: opposite charges attract, while like charges repel each other.

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Answer:

\(d=58m\)

Explanation:

From the question we are told that:

Initial Speed \(U=12m/s\)

Time \(T=5.6s\)

Angle \(\theta=30\)

Generally the  Newton's equation for motion is mathematically given by

\(d=d'+ut+\frac{at^2}{2}\)

\(d=12cos30*5.6\)

\(d=58m\)

The simplest ratio of squares to total shapes if we have 8 squares and 10 circles is 4:9.

What is Ratio?

A ratio is said to be is the simplest form or in the lowest term if two quantities of a ratio (i.e., antecedent and consequent) have no common factor (i.e. antecedent and consequent are co-prime) other than 1 (or their HCF is 1). The ratio must always be expressed in its simplest form or in its lowest terms.

Now,

There are 8 squares and 10 circles.

We have, total shapes = 8 + 10 = 18

Hence, The simplest ratio of squares to total shapes = 8 : 18 = 4 : 9

So, The simplest ratio of squares to total shapes is 4 : 9

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Answer:

In the given function b(t), the variable t represents the number of years after 2008. The   domain of this function is . The range more than 258.7 would not make sense. The graph of the function is always continuous

The given function b(t) shows the population of bobcats in northern Arizona since 2008. Therefore the variable t represents the number of years after 2008.

Since t represents the number of years after 2008, which is either positive or zero, therefore the domain of this function is .

The given function is a quadratic function and the coefficient of  is negative, so it is a downward parabola. The range above the y-coordinate of the vertex doesn't make any sense.

The vertex of parabola is defined by .

Vertex of the given function is (4.2,258.7).

Thus, the range more than 258.7 would not make sense for this function.

Since the given function is a polynomial function and polynomial functions are always continuous, therefore the graph of the function is always continuous

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133xe is the chemical symbol for Xenon-133, an isotope of Xenon. It has 54 protons, 79 neutrons, and 54 electrons.


Xenon-133 has 54 protons, which determines its atomic number and chemical properties. It also has 79 neutrons, which contributes to its atomic mass. The electrons in Xenon-133 are arranged in energy levels around the nucleus, and there are 54 of them. The number of electrons is equal to the number of protons in a neutral atom. Knowing the number of protons, neutrons, and electrons in an atom is important for understanding its properties and behavior, such as its reactivity with other elements.


To summarize, Xenon-133 has 54 protons, 79 neutrons, and 54 electrons. These three subatomic particles play important roles in determining the properties and behavior of an atom.

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Answer:

there is no diagram, but i can try to help

Explanation:

strong winds bonding together (i.e hot and cold) help form the tornado, depending on the weather depends on how long it can go on, if more hot and cold are feeds into it, it will get faster and last longer. it is just like dust devils, it is wind and dirt mixing to make a tornado, the more wind and dirt the worst it will be

Answer:

Force = 3 Newton

Explanation:

Given the following data;

Mass = 200 g to kilograms = 200/1000 = 0.2 kg

Acceleration = 15 m/s²

To find the force;

Force = mass * acceleration

Force = 0.2 * 15

Force = 3 Newton

Answer: The process of photosynthesis is broken up into two main groups of reactions: the "light reactions" which require light energy to operate, and the "Calvin cycle" which specifically takes carbon dioxide and turns it into organic molecules.

Explanation: Hope it helped you! :)

The melting point of a substance is the temperature at which the substance changes its phase from solid to liquid.

The freezing point is the temperature at which the substance changes its phase from liquid to solid.

The melting point of a substance is the same as the freezing point. That is when the temperature of the substance in the liquid form is increased continuously, the temperature at which the substance turns into a solid is equal to the temperature at which the substance will turn into liquid from solid if the temperature is decreased continuously, from a higher temperature.

Answer:

the acceleration would be 0.9843 ft/s² I think

Answer:

8 oz

Explanation:

Answer:

120 km an hour

Explanation:

120 km an hour because 30x 4 is 120

The objective's focal length is roughly -15.31 cm. The converging lens objective is indicated by the negative sign.

The formula for compound microscope magnification can be used to get the focal length of the objective:

M = -(f₀ / fₑ)× (1 + d / f₀)

Where:

M = Magnification of the compound microscope = -4515 (negative sign indicates an inverted image)

f₀ = Focal length of the objective

fₑ = Focal length of the eyepiece = 2.6 cm

d = Distance between the objective and eyepiece = 16 cm

f₀ = -(M * fₑ) / (M + (d / fₑ))

Putting all the given values:

M = -4515

fₑ = 2.6 cm

d = 16 cm

f₀ = -((-4515) × 2.6) / (-4515 + (16 / 2.6))

f₀ ≈ -15.31 cm

Therefore, the objective's focal length would be roughly -15.31 cm and the converging lens objective will be indicated by the negative sign.

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Answer:

A. Rock cycle

Explanation:

Because it really is the change of a rock from another, like ingenuous, sedimentary rock..

Different wavelengths of the electromagnetic spectrum can be used to gain information about distances and properties of components in the universe through various astronomical observations and measurements.

What is Electromagnetic Spectrum?

The electromagnetic spectrum is a range of all the types of electromagnetic radiation, which includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. It encompasses all the wavelengths and frequencies of electromagnetic radiation.

For example, visible light, which is a small portion of the electromagnetic spectrum, is used to observe the visible features of celestial bodies such as stars, planets, and galaxies. By analyzing the brightness, color, and spectrum of visible light emitted or reflected by these objects, astronomers can learn about their temperature, composition, and motion.

Infrared radiation, which has longer wavelengths than visible light, can penetrate through the interstellar dust and gas that block visible light. This allows astronomers to study the hidden regions of the universe, such as the centers of galaxies and the early universe, and detect cold objects like protestors and dust clouds.

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Sound intensity more than 70 dB (noise) for a long period of time may start to damage your hearing.

A loud noise with sound intensity more than 120 dB can cause immediate harm to your ears.