The wavelength of red light is 650 nanometers. how much bigger is the wavelength of a water wave that measures 2 meters?

Final answer:

To find the measure of the angle formed between the ramp and the freeway, we can use trigonometry.

Explanation:

To find the measure of the angle formed between the ramp and the freeway, we can use trigonometry. The angle can be found using the inverse tangent function, which relates the length of the side opposite the angle (the rise) to the length of the side adjacent to the angle (the length of the ramp).

We can use the formula:

angle = arctan(rise/run)

In this case, the rise is 31 feet and the run is 210 feet. Plugging these values into the formula, we get:

angle = arctan(31/210)

Using a calculator, we find that the measure of the angle is approximately 8.2 degrees.

Final answer:

To calculate the rate of movement, you need displacement and time to determine velocity and average velocity. Acceleration requires additional time and displacement data, used with kinematic equations. In analyzing motion, combining displacements and velocities in two dimensions is essential to determine overall movement parameters.

Explanation:

To calculate the rate of movement, you would need information on both displacement and time. These two measurements allow you to determine velocity, average velocity, and acceleration. Velocity is the rate of change of displacement with time, and it can be calculated if you know the displacement of an object and the time it took to cover that displacement. To find average velocity, you divide the total displacement by the total time.

In cases involving acceleration, you would need additional displacement and time data to calculate how quickly the velocity is changing. Kinematic equations are particularly useful for this purpose. One of the basic kinematic equations, v = u + at (where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time), can be used to find the final velocity of an object.

To determine negative acceleration, also known as deceleration, you would again use kinematic equations. The kinematic equation v^2 = u^2 + 2as (where s is the displacement) can be rearranged to solve for acceleration.

In Physics, especially in Advanced Placement (AP) courses, describing motion in two dimensions often requires combining displacements and velocities in various directions. This is done to calculate the overall displacement and average velocity. Measurements like the total time in the air, the maximum height reached, and the horizontal distance covered are critical when analyzing projectile motions or any two-dimensional movements.

Finally, to measure momentum, one would have to measure mass and velocity. The momentum of a body is given by the product of its mass and velocity. Depending on the experiment, you might measure the force over the duration of a collision using sensors or high-speed cameras to determine the initial and final velocities of the objects involved.

The mass of planet B is 4m

[tex]\texttt{ }[/tex]

Newton's gravitational law states that the force of attraction between two objects can be formulated as follows:

[tex]\large {\boxed {F = G \frac{m_1 ~ m_2}{R^2}} }[/tex]

F = Gravitational Force ( Newton )

G = Gravitational Constant ( 6.67 × 10⁻¹¹ Nm² / kg² )

m = Object's Mass ( kg )

R = Distance Between Objects ( m )

Let us now tackle the problem !

[tex]\texttt{ }[/tex]

Given:

gravitational acceleration of Planet A = g₁ = g

gravitational acceleration of Planet B = g₂ = g

radius of Planet A = R₁ = R

radius of Planet B = R₂ = 2R

mass of Planet A = M₁ = m

Asked:

mass of Planet B = M₂ = ?

Solution:

We will compare the gravitational acceleration of the two planets as follows:

[tex]g_1 : g_2 = G\frac{M_1}{(R_1)^2} : G\frac{M_2}{(R_2)^2}[/tex]

[tex]g_1 : g_2 = \frac{M_1}{(R_1)^2} : \frac{M_2}{(R_2)^2}[/tex]

[tex]g : g = \frac{m}{(R)^2} : \frac{M_2}{(2R)^2}[/tex]

[tex]1 : 1 = m : \frac{1}{4}M_2[/tex]

[tex]\frac{1}{4}M_2 = m[/tex]

[tex]\boxed{M_2 = 4m}[/tex]

[tex]\texttt{ }[/tex]

[tex]\texttt{ }[/tex]

Grade: High School

Subject: Physics

Chapter: Gravitational Fields

Answer:Displacement is the distance travelled in a specified direction.

:. Displacement = distance x time

Explanation:

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Newton's second law of motion describes the relationship between force and acceleration. They are directly proportional. If you increase the force applied to an object, the acceleration of that object increases by the same factor. In short, force equals mass times acceleration.

We are given:

v0 = initial velocity = 18 km/h

d = distance = 4 km

v = final velocity = 75 km/h

a =?

We can solve this problem by using the formula:

v^2 = v0^2 + 2 a d

75^2 = 18^2 + 2 (a) * 4

5625 = 324 + 8a

a = 662.625 km/h^2

Answer:

Energy used, E = 3780 Joules

Explanation:

It is given that,

Power, P = 2.1 W

Time, t = 30 minutes = 1800 seconds

We need to find the energy used by the iPod. The product of power and time is called energy used i.e.

E = P × t

[tex]E=2.1\ W\times 1800\ s[/tex]

E = 3780 Joules.

So, the energy used by the iPod is 3780 Joules. Hence, this is the required solution.

Final answer:

To find the magnitude of acceleration, use kinematic equations or Newton's second law if the force and mass are known, or use the Pythagorean theorem for resultant acceleration in two dimensions.

Explanation:

To find the magnitude of acceleration, one needs to use kinematic equations that relate acceleration with other motion variables (such as velocity, time, and displacement) or use Newton's second law if the forces acting on the object are known.

For example, consider Newton's second law which states that the force applied on an object is equal to the mass of the object times its acceleration (F = ma). If you know the mass (m) and the net external force (F), you can solve for the acceleration (a) by rearranging the equation to a = F/m.

In the case where motion is in two dimensions, the acceleration components along the x- and y-axes can be represented as ax and ay. If we are dealing with gravitational acceleration, on Earth it is typically approximated as 9.8 m/s² directed downwards. To find the magnitude of a resultant acceleration vector, you can use the Pythagorean theorem if you have its components: a = √(ax² + ay²).

It will change shape because the comprehensive stress layer causing it to bend slightly. Thus, thinner material like sheet metal will apparently change its shape. This is usually the reason why someone/people would peen sheet metal. In addition, Shot peening is cold working process done to metal parts for fatigue resistance. And the process is done by placing the part surface into compression. 

Answer:

Entropy

Explanation:

100%

The energy produced when the sun converts one kg of mass into energy is equal to 89875517873681764 J .

Energy is the capacity to do work in physics. Potential, kinetic, thermal, electrical, chemical, radioactive, and other kinds are just a few of the many possible manifestations. Additionally, heat and effort are two other ways that energy is transported from one body to another. Following a transfer, energy is always classified according to its nature. Thus, the generation of thermal energy may result from the transmission of heat, whereas the generation of mechanical energy may result from the performance of work.

Motion is a property of all types of energy. Anybody that is in motion, for instance, has kinetic energy. Even while at rest, a tensioned object like a bow or spring has the capacity to move; this is because of the way it is designed.

Now, let's find out the energy,

E=mc²

= (1 kg) × (299792458)²

= 89875517873681764 J

Therefore, the energy produced by the sun is 89875517873681764 J.

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Answer:

constant

Explanation:

The universe is an isolated system. In thermodynamics, an isolated system is a system that does not exchange neither matter (mass) nor energy with the external surroundings.

As a consequence, the energy and mass of an isolated system is always constant (because it cannot be exchanged with the outside): this is known as law of conservation of energy, and it can be applied to the universe as well, since it is an isolated system.

So, the correct answer is

The total amount of energy and mass in the universe is constant

Answer:

Ella es.

Explanation:

In spanish you have to conjugate every verb for each different person that you are talking about, in this example you are using the third person, in singular, since you are refering to Patricia Lopez, and you have to refer to her as She or "Ella" so you would have to say "Ella es Patricia López, mi mejor amiga"

Answer:  Option B

Explanation:

Rocks contains pores and spaces in them in which water gets trapped, and this causes the rock to break as water increases its volume due to freezing. This rocks are then eroded and are carried away into the streams and channels. The rivers and streams can carry particles of various shapes and size, which are further transported and deposited at a different place.

This particles or sediments then gets compacted and lithified in due course of time, and forms sedimentary rocks.

Water is also needed to undergo metasomatism process, that creates a metamorphic rock.

Hence, water flow is also an important driving force in rock cycle, along with tectonic activities.

Thus, the correct answer is option (B).

Answer:

The water flow because it shapes rocks

Explanation:

A substance is hotter in its gas state because the particles have more freedom to move, resulting in higher average kinetic energy and temperature. The transition from liquid to gas involves the absorption of heat, which is converted into kinetic energy of the gas particles.

Temperature is a measure of the average kinetic energy of the particles within a substance, which reflects how much the atoms in a substance are moving. Substances in the gas state are hotter than in the liquid state because the particles in a gas are moving freely at high speeds, colliding with each other and their surroundings. This high-speed, random motion contributes to a higher average kinetic energy and therefore a higher temperature. In contrast, particles in a liquid are closer together and while they can move past each other, they are not as free to move as in a gas.

The transition from liquid to gas requires energy, typically in the form of heat, which further increases the motion of the particles. When a liquid vaporizes to become a gas, it absorbs heat, which then gets converted into the kinetic energy of the gas particles, leading to higher temperatures. This also explains why many chemical reactions proceed faster at higher temperatures, as the increased motion of particles leads to more frequent and energetic collisions, which are necessary for reactions to occur.

Answer:

Explanation:

Alfred Lothar Wegener (1880-1930) was a German meteorologist and geophysicist who completed the first hypothesis about Continental Drift. He explained that the continents had onced formed a single mass, a single "continent" and then all began to break apart, until reach their presents positions.

So, according to Wegener's hypothesis, all the land on Earth was part of a single and unique mass, which was separated with the years.

Therefore, Alfred Wegener was best known for the Continental Drift Hypothesis.

Answer:

Black holes are a class of astronomical objects that have undergone gravitational collapse, leaving behind spheroidal regions of space from which nothing can escape, not even light. Observational evidence indicates that almost every large galaxy has a supermassive black hole at its center.

Explanation:

Have a good day

Answer: The distance traveled is 240km

Explanation: We know that the average speed is 60km/h, this means that the car travels 60km in an hour, so in 4 hours, the car travels four times this distance:

d = 4*60km = 240km

So the distance traveled is 240km.

The approximate amount of energy released per gram of peanut burned is around 106,712 J/g.

Given that the volume of water is 200.0 mL and the density of water is approximately 1 g/mL, we have:

Mass of water = 200.0 g

The heat transfer equation:

Mass of water = Volume of water × Density of water

Change in temperature = Final temperature - Initial temperature

Change in temperature = 14.2 °C

The energy released = Heat capacity of water × Mass of water × Change in temperature / Mass of peanut burned

The mass of the peanut burned is the difference between its initial and final masses:

Mass of peanut burned = Initial mass - Final mass

Mass of peanut burned = 0.609 - 0.053

Mass of peanut burned = 0.556 g

Energy released = 4.184× 200.0 × 14.2 / 0.556

Energy released = 106,712 J/g

Rounded to a more practical number, the approximate amount of energy released per gram of peanut burned is around 106,712 J/g.

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The complete question is:

A student followed the procedure of this experiment to determine the Caloric content of a Planter's cocktail peanut. The peanut studied had a mass of 0.609 g before combustion and 0.053 g after combustion. The energy released during combustion caused a 14.2 degrees C increase in the temperature of 200.0 mL of water in the calorimeter.

Calculate the amount of energy released per gram of peanut burned.

The shell will take about 0.34 seconds to reach the ground.

T is given as 800 m/s. The factors that would impact time are gravity and angle.

The factor of gravity (g) is a constant given as = 9.81. Any object on earth will accelerate at the speed of 9.81 meters per second if they are in a free fall.

Hence, T = 800Sin(30°) / g = 800 * 0.5

This is equals   400/9.81 = 40.773 or 40.78 seconds.

Given that the vertical velocity of the shell is zero because it is accelerating at an angle towards the earth, it will rise at an average speed that can be computed as:

1/2 (800sin30°) = 1/2 * 400 = 200m/s for Tsec and arise of H which is 8,156m.

The shell having risen falls from rest at the height given above.

S therefore,  = 150 +H, that is 150 + 8,156m. This is equals to 8,306m.

Next, we compute for the Kinematics equation of distance in relation to time (t) where the initial speed is 0.

S = 1/2(gt)²

thus 8,306 = 0.5 * 9.81*t² with elementary cross multiplication and the  and the squaring of both sides, we have

t = [tex]\sqrt{1693}[/tex]

t= 41.14608 which is approximately 41.12 seconds.

Because the time taken for the shell to rise and then to fall to the ground is the sum of T and t. the time taken to fall or the time taken for the shell to travel towards to the ground is:

t - T = 41.12 - 40.78

= 0.34 seconds

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By breaking the problem into vertical and horizontal components, we determined the time the ball was in the air and used it to calculate the horizontal velocity. The ball was rolling off the desk at approximately 0.66 m/s. This involves understanding projectile motion in physics.

To determine how fast the baseball was rolling off the desk, we need to use principles of projectile motion. We can break the motion into horizontal (x-direction) and vertical (y-direction) components.

Vertical (y-direction) Analysis:

Horizontal (x-direction) Analysis:

Therefore, the ball was rolling off the desk at approximately 0.66 m/s.

Answer:

condensing

Explanation:

Condensing is the word used to indicate the change of state of a substance from vapor to liquid, as in this case. During condensation, the substance releases thermal energy to the environment, therefore the kinetic energy of the molecules in the vapor decreases until they become closer to each other and they start to be affected by the intermolecular forces and so the substance becomes a liquid.

Answer: condensing

Explanation: I took the test