Vector has a horizontal component dx = 15. 0 m and makes an angle 0= 38. 0 with respect to the positive
x direction. What is the magnitude of ay, the vertical component of vector?

When a vehicle is approaching you, it is important to dim your high-beam headlights to low beams within a distance of approximately 500 feet.

This distance provides enough time for the oncoming driver to adjust their vision and safely navigate the road. By dimming your high beams, you reduce the risk of blinding the other driver and causing potential accidents or discomfort. Maintaining proper headlight etiquette promotes safety and ensures a clear line of sight for all drivers on the road, allowing for a smoother and more secure driving experience during nighttime or low visibility conditions.

Learn more about headlights

https://brainly.com/question/28941178

#SPJ11

Answer:

Explanation:

Use the kinematic formula:

\(V_f=V_i+at\)

\(V_f=(40m/s)+(10m/s^2)(6s)\)

\(V_f=40m/s+60m/s\)

\(V_f=100m/s\)

The particles of a solid have fewer options available to them than the particles of the same molecules in a liquid.

Because the interactions between particles are stronger in a solid, there are fewer ways that they can move around, and this limits their freedom to change position.

In a liquid, there is no boundary. The amount of fluid you have depends on the container and the size of your container; the more surface area you have, the more fluid there is. The only way to define the boundaries of a solid is by using a mathematical formula.

For example, if you stand at the bottom of a cliff, then drop something off it, making for another particle of equal size which is placed at some random point on the cliff (this is not obvious), then what you will find at the end of your experiment is that it is less probable that there will be one particle in front of the second one than it would be if an equal volume of liquid was present instead.

To learn more about solids and liquids visit: https://brainly.com/question/13940489

Answer:

cant see to find the answer sorry :( i tried :( good luck !! youll do great <333

Explanation:

A 100-car freight train traveling at 55 mph will need a certain distance to stop, which depends on various factors such as braking capability and conditions.

The distance required for a train to come to a complete stop depends on several factors, including the train's speed, braking capability, and the conditions of the track. Given the scenario of a 100-car freight train traveling at 55 mph, determining the exact stopping distance would require additional information.

To estimate the stopping distance, factors such as the train's braking system, the efficiency of the brakes, the condition of the track, and the presence of any additional factors like slopes or curves must be considered. Trains have powerful braking systems, but the stopping distance can still be significant due to their size and mass.

Generally, it can take a considerable distance for a train to come to a complete stop. Freight trains typically require longer stopping distances compared to passenger trains due to their greater mass. Adequate stopping distances are crucial for ensuring the safety of the train and its surroundings.

Therefore, to determine the specific stopping distance of a 100-car freight train traveling at 55 mph, additional information regarding the train's braking system, track conditions, and other relevant factors would be necessary.

Learn more about distance  here:

https://brainly.com/question/13034462

#SPJ11

Answer:

Water is essential for all forms of life and can dissolve nearly anything. It can exist as a gas (water vapour and steam), a liquid (water) and a solid (ice).

Water covers 75% of the earth’s surface, however only a very small amount is fresh water that can be used directly by people, animals and plants because:

97% of this water is in oceans and is too salty for people, animals or plants to use

2% is frozen at the north and south poles, in glaciers and on snowy mountain ranges.

Water, by its simplest definition, is life. Every living thing on Earth requires water to survive. Water means different things to different people. The conversation on World Water Day centers on solving the global water and sanitation crisis, which will require everyone to do their part. To help with this discussion we are sharing information about World Water Day, sustaining water, the water cycle, why water is so essential for human life and more!

Answer:

Energy stored in an object due to its position is Potential Energy. Energy that a moving object has due to its motion is Kinetic Energy.

Explanation:

Welcome.

Answer:

31.0 m/s

Explanation:

Given:

\(\vec a=7.0 \ m/s^2\\\\t=4.0 \ s\\\\\vec v_0 = 3.0 \ m/s\)

Find:\(\vec v_f=?? \ m/s\)

\(\boxed{\left\begin{array}{ccc}\text{\underline{The 4 Kinematic Equations:}}\\\\1. \ \vec v_f=\vec v_0+\vec at\\\\2. \ \Delta \vec x=\frac{1}{2}(\vec v_f-\vec v_0)t\\\\3. \ \Delta \vec x=\vec v_0t+\frac{1}{2}\vec at^2\\\\ 4. \ \vec v_f^2=\vec v_0^2+2\vec a \Delta \vec x \end{array}\right}\)

Using the first kinematic equation:

\(\vec v_f=\vec v_0+\vec at\\\\\Longrightarrow \vec v_f=3.0+(7.0)(4.0)\\\\\Longrightarrow \vec v_f=3.0+28.0\\\\\therefore \boxed{\boxed{\vec v_f=31.0 \ m/s}}\)

Thus, the objects final velocity is found.

The distance between the Sun and Earth is approximately 93 million miles or about 150 million kilometers. This distance is equivalent to about 8 light minutes. Since light travels at a speed of approximately 186,282 miles per second or 299,792 kilometers per second, it takes around 8 minutes for light to travel from the Sun to Earth.

To calculate this distance, we can multiply the speed of light by the number of seconds in a minute (60) and then by the number of minutes in an hour (60) to get the distance traveled in one hour. Finally, we multiply this by the number of hours in a day (24) and by the number of days in a year (365.25) to get the total distance light travels in one year.

To know more about distance visit:

https://brainly.com/question/33716087

#SPJ11

A fixed, stationary, or portable self-contained electrically illuminated utilization equipment is a LUMINAIRE.A luminaire is a fixed, stationary, or portable self-contained electrically illuminated utilization equipment.

A luminaire can be a complete lighting unit that can be connected to an electrical system via an opening in a ceiling or wall. A luminaire consists of a lamp, housing, and electrical parts, as well as other parts that help to position and protect the lamp and link it to the electrical system.In addition to providing light, the luminaire serves as a reflector that spreads light in a particular direction and as a protector that prevents light from entering the eyes of the viewer directly. Since luminaire generally has a limited energy source, it is connected to an electrical system via a connector that is mounted to the ceiling or wall of the building where the luminaire is installed.

To know more about energy , visit ;

https://brainly.com/question/13881533

#SPJ11

There needs to be some form of differentiation between what size makes a planet because Eris was larger than Pluto and other planets were only marginally smaller than Pluto.

Asteroid: A relatively small, stony object that circles a star; asteroids are classified as "small solar system bodies" by the government.

Comet :A comet is a tiny, ice object that revolves around a star. Comets are classified as "small solar system bodies," the same category as asteroids.

Dwarf planet: An object that orbits the Sun and is sufficiently large that gravity has shaped it almost spherically, but which does not meet the criteria for designation as a planet because it has not yet cleared its orbital neighborhood. The asteroid Ceres and the Kuiper belt objects Pluto, Eris, Haumea, and Makemake are classified as dwarf planets in our solar system.

Meteor: An explosion of light brought on by a space particle burning up in our atmosphere.

A meteorite is a space rock that falls on Earth.

To know more about planets or solar system you may visit the link :

https://brainly.com/question/11953855

#SPJ4

Answer:

C. 199.9 s

Explanation:

3 minutes = 3×60 = 180 seconds.

the turtle moves in that time 180×10 = 1800 cm.

in other words the rabbit gave it that much head-start (it does not matter if that was at the begin of in the middle of the race).

the rabbit moves with 10×10cm/s = 100cm/s.

the rabbit needs therefore 1800/100 = 18 seconds for the

1800 cm.

at that time the turtle has added another 18×10 = 180 cm.

for which the rabbit needs 180/100 = 1.8 seconds.

during that time the turtle has added 1.8×10 = 18 cm.

and so on.

in formal mathematics this looks like this :

1800 + 10x = 100x

after x seconds of the rabbit running both will have run the same distance, and it is a tie.

1800 = 90x

x = 20 seconds

so, at that point, the rabbit was actively running for 20 seconds and raced 20×100 = 2000 cm

and the turtle was actively running for 180 + 20 = 200 seconds, and also covered 200×10 = 2000 cm.

but our question tells us that the turtle won by 10 cm.

so, the race was over a little bit before these 200 seconds (for a tie).

this means, the rabbit could not run the last 10 cm for the tie (because the race was over and the turtle had won).

the rabbit would have needed 10/100 seconds for these 10 cm.

as speed = distance/time

we need to divide distance by speed

distance/1 / distance/time

to get time.

so,

10cm/1 / 100cm/s = 10s/100 = 1/10 s

so, we need to deduct this 1/10 s from the 200 seconds of the turtle (and also from the 20 seconds for the rabbit).

the race lasted of course the whole time the turtle was running (while the rabbit was resting, officially still participating in the race with speed 0 for 3 minutes).

and so, the race was 199.9 s long.

The image of the plant is 4.0 cm from a concave spherical mirror with a radius of curvature of 10 cm. The plant is 4.4 cm in front of the mirror relative to the mirror. Here option B is the correct answer.

To determine the position of the plant relative to the concave spherical mirror, we can use the mirror formula:

1/f = 1/do + 1/di

where f is the focal length of the mirror, do is the object distance (distance of the plant from the mirror), and di is the image distance (distance of the image from the mirror).

We are given that the radius of curvature of the mirror, R, is -10 cm (negative sign indicates concave mirror) and the image distance, di, is -4.0 cm (negative sign indicates that the image is formed on the same side of the mirror as the object). We can find the focal length using the relation f = R/2, which gives f = -5 cm.

Substituting the given values into the mirror formula, we get:

1/-5 = 1/do + 1/-4

Simplifying, we get:

1/do = 1/-5 - 1/-4

= -0.2

Taking the reciprocal of both sides, we get:

do = -5 cm

The negative sign indicates that the plant is located 5 cm in front of the mirror, on the same side as the object. However, the question asks for the position relative to the mirror, so the answer is:

B - 4.4 cm in front of the mirror (obtained by subtracting the radius of curvature from the object distance: 5 - 10 = -4.4 cm, which means the plant is 4.4 cm in front of the mirror)

To learn more about spherical mirrors

https://brainly.com/question/13068249

#SPJ4

Complete question:

The image of a plant is 4.0 cm from a concave spherical mirror having a radius of curvature of 10 cm. where is the plant relative to the mirror? question 5 options:

A - 2.2 cm in front of the mirror

B - 4.4 cm in front of the mirror

C - 9.0 cm in front of the mirror

D - 1.0 cm in front of the mirror

E - 20 cm in front of the mirror

In a system using a single movable pulley, the mechanical advantage (MA) is equal to 2. This means that the load being lifted will experience a gain in force of two times the input force applied.

A movable pulley is one that is attached to the load being lifted and is free to move along with it.

When a force is applied to lift the load, the movable pulley changes its position, effectively reducing the force required to lift the load.

The key concept behind the mechanical advantage is that the load is distributed between the input force and the pulley.

In a single movable pulley system, the load is divided between the input force and the pulley itself.

The input force only needs to overcome half of the load's weight since the pulley contributes an equal amount of force in the opposite direction. This results in an MA of 2, indicating a doubling of force.

For example, if a load weighs 100 pounds, an input force of 50 pounds would be sufficient to lift it.

The movable pulley helps distribute the load's weight, reducing the force required by half.

Overall, using a single movable pulley provides a mechanical advantage of 2, allowing the load to be lifted with less force compared to lifting it directly.

for such more questions on force

https://brainly.com/question/12785175

#SPJ8

Therefore:

Answer:

1600W

Answer:

A. Mg+2

Explanation:

im not sure, but since it lost two electrons which have a negative charge it gained two charge.

The volume that flows through the pipe in 6 seconds is 30 cubic meters, and the mass of the water is 30000 kg.

If 5 cubic meters of water pass through the pipe in 1 second, then in 6 seconds, the volume that flows through the pipe would be:

5 m^3/s * 6 s = 30 m^3

To find the mass of the water that flows through the pipe, we can use the density of water:

                              mass = density * volume

                              mass = 1000 kg/m^3 * 30 m^3 = 30000 kg

So, the volume that flows through the pipe in 6 seconds is 30 cubic meters, and the mass of the water is 30000 kg.

To know more about volume visit:

https://brainly.com/question/14230696

#SPJ1

Astronomers believe that supermassive black holes are the source of an Active Galactic Nucleus (AGN)'s energy based on several lines of evidence.

Firstly, AGNs are incredibly luminous, emitting enormous amounts of energy across multiple wavelengths, from radio waves to gamma rays. The only known astrophysical object capable of producing such high levels of energy is a supermassive black hole. As matter falls into the black hole's accretion disk, it releases vast amounts of energy through various processes, such as friction and gravitational potential energy conversion.

Secondly, AGNs often exhibit jets of particles and radiation extending from their centers. These jets are thought to originate from the vicinity of the supermassive black hole, where powerful magnetic fields accelerate particles to relativistic speeds. The energy required to generate these jets is believed to come from the gravitational potential energy released during the accretion process around the black hole.

Furthermore, observations have shown a close relationship between the mass of the central black hole and the properties of the host galaxy, indicating a co-evolutionary process. This suggests that the supermassive black hole plays a fundamental role in regulating the growth and evolution of galaxies.

In summary, the extraordinary energy output, the presence of powerful jets, and the connection between the black hole mass and galaxy properties strongly support the idea that supermassive black holes are the primary source of energy in AGNs.

To know more about black holes click this link-

https://brainly.com/question/10597324

#SPJ11

Answer:

A dependent variable is a variable that is tested in an experiment. An independent variable is that can be modified. Depending on what you are testing, the dependent variable will change accordingly to the dependent variable.

- I'm reading this back and it doesn't make much sense, if you want me to reword this I can

Over the next 10 years, the temperature of the cosmic microwave background falls to 1 K would be inconsistent with the big bang theory.

The big bang theory is used by astronomers to describe how the universe came into existence. It is the idea that the universe originally consisted of a single point, grew and expanded to reach its present size, and is still expanding! Astronomer Georges Lemaître had a significant insight in 1927. He said that a very long time ago, the cosmos was only a single point. He asserted that after stretching and growing to reach its present size, the universe may yet stretch further. Astronomer Edwin Hubble found that other galaxies were deviating from our galaxy two years later. And that's not all. Galaxies closer to us were moving more slowly than those farther away.

To know more about  big bang theory visit : https://brainly.com/question/4442491

#SPJ4

Given

The electric flux is

Radius of the sphere,

To find

a. The flux through a gaussian sphere with radius of 29.0 cm.

b. The magnitude of the charge

Explanation

a. Since the gaussian sphere covers the same charge so the electric flux through both the sphere will be same.

Thus the required flux is

b.

The magnitude of the charge is

Conclusion

a. The flux is

b. The charge is

Answer:

D

Explanation:

I just did it on a p e x

Answer:

D

Explanation:

Explanation:

the speed of the motor can be increased by increasing the strength magnetic field increasing the current flowing through the coil.

Answer:

the main cause of decreasingthe efficient of simple machine is the effect of friction so, indoder to increase efficiency of a simple machine we should remove the friction using lubricants, decreasing the overload in machine,replacing sliding friction with rolling friction etc,

we should do thses all to increase efficiency of a simple machine.

hope u get it..

To calculate the Km and Vmax values from the linear regression results of Lineweaver-Burk, Eadie-Hofstee, and Hanes-Woolf plots, you will need to determine the slope and intercept of the regression lines.

In the Lineweaver-Burk plot, the x-intercept corresponds to -1/Km, and the y-intercept corresponds to 1/Vmax. By determining the values of Km and Vmax from the intercepts, you can calculate the corresponding error bars if provided.

In the Eadie-Hofstee plot, the slope corresponds to -Km/Vmax, and the y-intercept corresponds to Vmax. By determining the values of Km and Vmax from the slope and y-intercept, you can calculate the corresponding error bars if provided.

In the Hanes-Woolf plot, the slope corresponds to Km/Vmax, and the y-intercept corresponds to 1/Vmax. By determining the values of Km and Vmax from the slope and y-intercept, you can calculate the corresponding error bars if provided.

Please provide the specific numerical values and error bars from your regression analyses in order to calculate the Km and Vmax values accurately.

Learn more about Hanes from the given link https://brainly.com/question/27733604

#SPJ11.

In order for the electrons to emit photons and leave the ground state, the heat produced by the electricity must be present.

The electron is a subatomic particle with a negative one elementary charge electric charge. Due to their lack of components or substructure, electrons, which are part of the lepton particle family's first generation, are typically thought to be elementary particles.

The electromagnetic force is carried by a photon, an elementary particle that is a quantum of the electromagnetic field and includes electromagnetic radiation like light and radio waves. Since photons have no mass, they always move at the 299792458 m/s speed of light in a vacuum.

To know more about radio waves :

https://brainly.com/question/13989450

#SPJ9

Answer:

Explanation:

Radius of first spherical ball =

2

2

​

cm=1cm

Radius of second spherical ball =

2

2

3

14.5

​

​

cm=

3

14.5

​

cm

Let the radius of the third ball be r cm.

Radius of the main spherical ball =

2

5

​

cm=2.5cm

Volume of main spherical ball = Volume of spherical ball  1+Volume of spherical ball 2+ Volume of spherical ball 3

Volume of a sphere =

3

4

​

πr

3

So,  

3

4

​

π×2.5

3

=

3

4

​

π1

3

+

3

4

​

π(

3

14.5

​

)

3

+

3

4

​

πr

3

⇒2.5

3

=1

3

+(

3

14.5

​

)

3

+r

3

⇒r

3

=15.625−1−14.5

⇒r

3

=0.125=0.5×0.5×0.5

⇒r=0.5

Earth Science is the scientific study which involves geology, geography, and ecology.

Answer:

earth science!

Explanation: