If the distance between two asteroids is doubled, the gravitational force they exert on each other will.

Answer:  waves washing over rocks on the beach

Explanation:

A natural erosion is a phenomena of removal of the top layer of the soil or any other surface material by the action of the natural physical agents like water, wind and others. Waves washing over rocks on the beach is the correct example of natural erosion because waves from any water body are naturally generated by the effect of wind and gravity these can wipe the surface materials present over the rocks on the beach.

To find the horizontal velocity of the missile at 10.0 seconds after firing, use the motion equation v = u + at, with u = 1100 ft/s and a = 1000 ft/s²2. This results in a final velocity (v) of 11100 ft/s.

Calculating the Horizontal Velocity of a Missile

To calculate the horizontal velocity of the missile at 10.0 seconds after it is fired, we can use the equation of motion which relates initial velocity, acceleration, and time to find the final velocity. The equation we will use is:

v = u + at

Where:

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time

Given:

Initial velocity (u) = Mach 1 = 1100 ft/s

Horizontal acceleration (a) = 1000 ft/s²

Time (t) = 10.0 s

To find the final velocity (v):

v = 1100 ft/s + (1000 ft/s² * 10.0 s)

v = 1100 ft/s + 10000 ft/s

v = 11100 ft/s

Therefore, the horizontal velocity of the missile at 10.0 seconds after being fired is 11100 ft/s.

Answer: It is called Dew Point

Explanation: The dew point is the exact temperature to which air must be cooled to become saturated with water vapor, if further cooled, the water vapor will condense to form liquid water.

Answer:

Displacement

Explanation:

We are given that average velocity is different than average speed.

We have to find what involves average velocity.

Average velocity:It is defined as the displacement per unit time.

Mathematical representation,

Average velocity=[tex]\frac{displacement}{time}=\frac{ds}{dt}[/tex]

Average speed:It is defined as the distance per unit time.

Average speed=[tex]\frac{distance}{time}=[tex]\frac{s}{t}[/tex]

Average velocity is different from average speed because calculating average velocity involves displacement but average speed involves distance.

The final velocity of a projectile launched at an angle above the horizontal and returning to the same height is equal to its initial velocity in the opposite direction.

When a projectile is launched at an angle above the horizontal and returns to the same height, its final velocity will have the same magnitude as its initial velocity but in the opposite direction. This is because the horizontal component of velocity remains constant while the vertical component changes due to the force of gravity. In this case, the initial velocity is 25 m/s and the angle is 35 degrees above the horizontal, so the final velocity will also be 25 m/s but in the opposite direction.

Final answer:

The vastly different conditions on Venus compared to Earth are primarily due to Venus experiencing a runaway greenhouse effect, which led to high temperatures and surface pressures, and the permanent loss of water. Earth managed to maintain liquid water and moderate conditions, unlike the dry and inhospitable Venus.

Explanation:

Initial Difference Leading to Varying Planetary Conditions

The one initial difference that is ultimately responsible for the vastly different conditions on Venus compared to Earth is the presence and fate of water which led to a runaway greenhouse effect on Venus. Unlike Earth, which managed to maintain a delicate balance allowing liquid water to persist, Venus experienced a runaway greenhouse effect due to intense surface heating and a lack of water recycling back into the atmosphere. This resulted in temperatures on Venus reaching around 730 K (over 850 °F), high surface pressure 90 times that of Earth, and a dense and dry atmosphere that diverged greatly from Earth's moderate condition that supports life.

While Venus started with comparable conditions to Earth and Mars, its proximity to the Sun and the subsequent runaway greenhouse effect caused permanent water loss, which contrasted sharply with Earth's retention of water and Mars's freezing over due to lost atmospheric CO₂. Venus's atmosphere became massive and dry, with a CO₂-dominated environment that traps heat and prevents the establishment of the conditions necessary for life as we know it.

Evaporation is always a cooling process, as it involves the removal of higher energy molecules from the liquid, which in turn lowers the temperature of the remaining liquid.

Evaporation is always a cooling process. This occurs because, during evaporation, liquid molecules with higher kinetic energy escape into the gas phase, thereby lowering the average kinetic energy of the remaining liquid molecules, which results in a decrease in temperature. An everyday example of evaporative cooling can be observed when water on the skin evaporates, leaving the skin feeling cooler. On the other hand, condensation, which is the reverse of evaporation, is a warming process as it releases heat equal to the heat of vaporization.

Answer:

A

Explanation:

The last total solar eclipse visible in Minnesota was on August 21, 2017 and was witnessed by millions of people across the United States.

The last total solar eclipse visible in Minnesota occurred on August 21, 2017. This eclipse was viewable across a large swath of the continental United States. Figure 4.25 shows the path of the moon's shadow as it traversed the United States, covering about 3000 miles in the process. This astronomical event was witnessed by millions of people, making it an extraordinary spectacle.

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Final answer:

The decay of radioactive isotopes, differentiation of Earth's iron core, gravity-driven compression, and meteoric bombardment all triggered the early Earth to heat up and differentiate into distinct layers, creating the conditions for the formation of the iron-nickel core, mantle, crust, and the atmosphere.

Explanation:

The question addresses the processes that have shaped the early Earth. Particularly, it asks how the decay of radioactive isotopes, the differentiation of Earth's iron core, gravity-driven compression, and meteoric bombardment all contributed to the early state of our planet. The correct term to fill in the blank is that all these processes caused early Earth to heat up and differentiate into layers.

Due to radioactive decay and gravitational compression, the Earth experienced significant heating, resulting in the melting of the planet's interior. This allowed molten metal to sink towards the center to form the dense iron-nickel core, while lighter silicate materials floated to the surface, eventually forming the Earth's crust and mantle. Meteoric bombardment and collisions with other celestial bodies, including a massive impact believed to have led to the formation of the Moon, further contributed to the heating and differentiation of the Earth. Simultaneously, these processes have led to the creation of Earth's atmosphere, primarily through volcanic degassing and contributions from comets and meteorites.

Option (a) is correct. The motion of a ball moving in a circular path at a constant speed is termed as the motion with acceleration.

Explanation:

The acceleration of a body is defined as the rate of change of velocity of the body. If the velocity of object under motion continues to change during the motion, the object is considered to be moving under acceleration.

The change in velocity is not only about the change in the magnitude of the speed of the object but it is also the change in the direction of motion of the object moving at a constant speed.

The motion of a particle in a circular path at a steady speed is an accelerated motion because the direction of motion of the ball changes at every instant during its motion in a circular path. The change in direction also changes the velocity of the object and therefore, it is categorized as the accelerated motion.

The motion of a particle at constant velocity in vacuum, a skater moving with a constant speed on a straight track and a vehicle moving on a street at steady speed are not considered as the accelerated motion because the velocity of the body does not change and the direction of motion also remains the same during the motion.

Thus, Option (a) is correct. The motion of a ball moving in a circular path at a constant speed is termed as the motion with acceleration.

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Motion in one dimension

Keywords:

Acceleration, velocity, rate of change, speed, direction of motion, steady speed, straight track, circular track, constant, vacuum.

Answer:

A. Multiply the force

Explanation:

Simple machines are used to make our work easier. They either change the direction of force or multiply the force or both. Simple machines are lever, wedge, pulley, screw etc.

Example of how a simple machine multiplies force:

In a lever, effort is put at a longer end which is able to lift a heavier load at the short distance.

Given: Please see the attached image below.

To be able to subtract vectors, we can either use the parallelogram method or the triangle method. Take note that the only difference is that alternatively adding vectors A and B, we will instead be adding A and – B. When we ponder of vector subtraction, we must anticipate about it in terms of adding a negative vector. A negative vector has the same magnitude as the original vector, however, it has an opposite direction.

So in this problem, the two vectors that will have the largest magnitude are A & F when subtracted (i.e., when one vector is subtracted from the other).

The two vectors that when subtracted will have the largest magnitude are the two vectors among the options that individually have the largest magnitude.

Vectors have magnitude and direction. As such, we also consider the direction of vector quantities when operating on them. The magnitudes of the vectors were not specified in the question.

However, the two vectors that when subtracted will have the largest magnitude are the two vectors among the options that individually have the largest magnitude.

Learn more about vectors: https://brainly.com/question/13188123

Explanation:

Is the site from an established institution or reputed organization?

Who is providing the information?

What is the author's credential?

Is the site bias?

Is the site trying to influence you?

Is the author's contact information provided?

When the site was last updated?

When the site was first created?

What is the major domain of the web address?

Final answer:

The point in question is not a location of perfect constructive or destructive interference; it is a location of nearly constructive interference due to the path length difference being not an integer or half-integer multiple of the wavelength. Additionally, the minimum distance between two speakers for sounds to arrive at noticeably different times is 0.34 meters.

Explanation:

To determine the type of interference at the given point, we need to calculate the path length difference between the sound waves emanating from both speakers to that point. The frequency of the sound waves is 1700 Hz, and the speed of sound in the room is 340 m/s. The wavelength (λ) can be found using the relationship λ = v/f, where v is the speed of sound and f is the frequency of the sound wave. Substituting the given values, we get λ = 340 m/s / 1700 Hz = 0.2 m.

Now, since the point is 4.0 m in front of speaker 1, and the two speakers are 2.0 m apart, the path length from speaker 2 to the point is the hypotenuse of a right-angled triangle with sides of 4.0 m and 2.0 m. Hence, the path length from speaker 2 is given by √(4.0² + 2.0²) = √(16 + 4) = √20 ≈ 4.47 m. The path length difference between the waves from speaker 2 and speaker 1 is therefore 4.47 m - 4.0 m = 0.47 m.

To find out whether this is a point of constructive interference, destructive interference, or something in between, we compare the path length difference to the wavelength. In this case, the path length difference is 0.47 m, which is not a multiple of the wavelength (0.2 m) or half-wavelength. It's something in between; specifically, it is 2.35 wavelengths (0.47 m / 0.2 m = 2.35). Because this is not equal to an integer or a half-integer multiple of the wavelength, the point will be a location of partial constructive or destructive interference depending on the actual fractional part of the wavelength multiple. In this case, 0.35 wavelengths correspond to a phase difference of 0.35 * 360 degrees, which indicates the interference will be nearly constructive but not perfectly.

The minimum distance between two speakers for sounds to arrive at noticeably different times would be the product of the speed of sound and the time difference capability of the human ear. The speed of sound is given at 340 m/s, and the human ear can differentiate sounds 1.00 ms apart. Thus, distance = speed x time = 340 m/s x 1.00 ms = 340 m/s x 1.00 x 10-3 s = 0.34 m.

Answer: HEAT

Explanation:

Final answer:

The sun's energy is most useful to humans after it is converted to chemical energy, which we obtain through food, or into thermal energy and electricity via different solar energy technologies.

Explanation:

The sun’s energy is most useful to humans after it is converted to chemical energy. This energy conversion occurs through various methods, and chemical energy can be released when we digest food that originates from plants and, to a lesser extent, animals. Additionally, sunlight is converted into thermal energy and electricity through the use of solar panels and other photovoltaic systems, which can be used directly or stored for later use.

For instance, plants convert sunlight into chemical energy through the process of photosynthesis. This chemical energy is then consumed when we eat plants or animals that have fed on plants. Furthermore, the photoelectric effect allows for the conversion of solar energy into electricity which can be directly used or stored in batteries.

Another example is that solar energy can heat water in solar collectors and produce electricity using solar heat engines or photovoltaic systems. The energy from the sun is the origin of wind power and hydro energy as well, which are indirect ways in which solar energy is harnessed.

The forces acting on a moving go-cart include friction, normal force, and the force applied by individuals pushing the cart.

As the go-cart moves along, several forces act on it:

Force of friction: This force opposes the motion of the cart and is caused by the interaction between the wheels and the ground.

Normal force: This force acts perpendicular to the surface and supports the weight of the cart.

The force applied by Debbie and her friend: These forces cause the cart to accelerate and move.

Chemical compounds that absorb significant amounts of the sun's energy in the atmosphere are greenhouse gases such as carbon dioxide, methane, and water vapor, along with dust particles.

The chemical compounds that absorb large amounts of the sun's energy in the Earth's atmosphere are primarily greenhouse gases. These include carbon dioxide, methane, and water vapor. These substances have the ability to absorb and emit radiation within the thermal infrared range, which in turn warms the atmosphere. Although nitrogen and oxygen are the most abundant gases in the atmosphere, they do not absorb significant amounts of the sun's energy compared to greenhouse gases. Dust particles in the atmosphere can also absorb some solar energy, but not as significantly as greenhouse gases do. Therefore, the correct answer to the given options would be: b. Carbon dioxide, water vapor, and dust.