Ajajahsehahsjhabs Oh ya haha is coming over here for a

Hooke's Law

[tex]\tt F=k.\Delta x[/tex]

k = spring constant

x = stretch

F = force

Input the value

[tex]\tt \Delta x=\dfrac{F}{k}=\dfrac{25}{8}=3.125\rightarrow 3.13\:m[/tex]

Answer:

Yes because while you slide down the slide you are obviously going to wear clothes and the cotton on your clothes rubbing up against that rubber from the slides, are gonna react by sending a static electricity shock feeling  to your body  

Explanation:

Answer:

The same effect can be observed on other non-conductive, polymer surfaces like the mesh of a trampoline. If it is sitting in the sun for a while, you can feel the static charge on it when you approach it, even if no one has been on it recently (so it's not just from friction of users' clothing).

Explanation:

There are always stray electrons flying around, everywhere. The plastic of the slides (and other, non-conductive materials) tend to build up spare electrons just from the air currents moving over them, so its not really the sun that makes them collect charge. As the air around the plastic heats up, it loses its density and humidity, meaning that electrons that were sitting on or close to the plastic get stuck there. Air flowing over the plastic deposit more electrons. As the air cools after the sun goes down (or if it gets cloudy enough), the air around the plastic becomes more dense and can hold more humidity, which means that the electrons can be carried away by stray ions faster, and the amount of excess charge decreases.

So, the amount of energy associated with a photon that has a frequency of 1000 Hz is [tex] \boxed{\sf{6.626 \times 10^{-31} \: J}} [/tex]

Hi ! Here, I will help you to explain the material about photon energy. Photon energy is the energy carried by electromagnetic waves as they propagate. Photon energy is generally affected on frequency (the higher the frequency value, the energy will greater too) or wavelengths (the higher value of the wavelengths, the energy will smaller). So, based on the two concepts above, this is the following equation :

By the Frequency

[tex] \boxed{\sf{\bold{E = h \times f}}} [/tex]

By the Wavelengths

[tex] \boxed{\sf{\bold{E = h \times \frac{c}{\lambda}}}} [/tex]

With the following condition :

We know that :

What was asked :

Step by step :

[tex] \sf{E = h \times f} [/tex]

[tex] \sf{E = 6.626 \times 10^{-34} \times 10^3} [/tex]

[tex] \boxed{\sf{E = 6.626 \times 10^{-31} \: J}} [/tex]

So, the amount of energy associated with a photon that has a frequency of 1000 Hz is [tex] \sf{6.626 \times 10^{-31} \: J} [/tex]

Answer:

According to the Given Statement

Canon fires directly upwarda at 150m/s ( Initial speed, u )

Acceleration due to gravity is 10m/s²

Since Cannon ball reach it maximum height so its final velocity v will be 0 m/s .

Using Kinematic Equation

On substituting the value we get

➥ 0 = 150 + 10 × t

➥ 150 = 10 × t

➥ 150/10 = t

➥ 15 s = t

So, it will take 15 seconds .

Answer:

maximum height reached: 15 s

Explanation:

using the formula: maximum height reached = [(sin(θ) * speed)/ gravity]

Here speed is 150m/s and gravity is 10 m/s² and as it does directly upwards, it has an angle of 90°

using the formula:

maximum height reached = [(sin(90) * 150)/ 10] = 15 s

The size of force B is 3800 N.

This can be defined as the product of the mass and acceleration of a body.

From the diagram attached,

Formula:

Where:

make Fb the subject of the equation

From the question,

Given:

Substitute the given values into equation 2

Hence, The size of force B is 3800 N.
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Answer:

i'm pretty sure it's red.

[tex] \huge\boxed{ \tt option \: a}[/tex]

Yes. The paint can take in energy from the light, causing it to be damaged.

the answer is

A , Yes. The paint can take in energy from the light, causing it to be damaged

Answer:

Explanation:

KE = 1/2mv²

speed of light = 299,792,458

≅300,000,000 m/s

KE = 1/2 X 2500kg x 300,000,000²

46.6666 that is the mass number

Explanation:

14 divided 3.0

Answer:

10-0÷2=5 that's the answer

While alloys are melted mixtures of two or more metals, true metals are unadulterated components. Due to their tendency to be shinier, heavier, and harder than the majority of materials, as well as the fact that they are great heat- and electricity-conductors, metals, and alloys are simple to differentiate from nonmetals.

As a compound or a solution, an alloy is a metallic material made up of two or more elements. Although carbon, a nonmetal, is a crucial component of steel, alloys typically contain metals as their own constituents.

Typically, the mixture of elements is melted to create an alloy. In very early periods, the value of alloys was discovered; brass (copper and zinc) and bronze (copper and tin) were particularly significant.

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Answer:

.516

Explanation:

I typed this into Acellus and it was correct.

Answer: Sorry the pic is too blurry try making the resolution higher

Answer:

Magnetic-field lines pass through cardboard, air, and certain other materials, depending on whether they're permeable or nonpermeable. Test different materials to see which gather magnetic lines of force and act as magnetic shields, and which allow magnetic lines of force to pass through them.

List the three things forces are needed for on Earth.

I added another one just cause there's four things forces are needed for on earth :-)

Answer:

D. None of the the statements above are correct.

Explanation:

Microscopes and telescopes are major instruments that have contributed hugely to our current understanding of the micro- and macroscopic worlds. The invention of these devices led to numerous discoveries in disciplines such as physics, astronomy, and biology, to name a few. In this section, we explain the basic physics that make these instruments work.

Answer:

d. is the answer hope it helps

Answer:

C. It can increase the chance of asthma attacks

Explanation:

P = F : A

[tex]\tt P=\dfrac{550~N}{0,0001~m^2}=5.5\times 10^6~Pa[/tex]

Answer:

Once

Explanation:

The time between new moon and the end of the cycle of the moons is about 29.53 days, which is roughly a month

Answer:

timothy 50

jovanniel 80

PJ 100

Explanation:

tras me

Answer:

W = work  F = force   d = distance travelled   cos 0 = adjacent/hypotenuse, the cosine of the angle displaced

Explanation:

Answer:

I'll assume that "no frequency of 3.50 Hz" is supposed to read "a c frequency of 3.50 Hz"

Explanation:

A wave's speed is given by Speed = Distance/Time.

In this case the distance and time are provided:  The wavelength is 1.75cm and the time between each wave is (1/3.50) seconds/cycle.  That is, the wave travels 1.75 cm every (1/3.50) or 0.2857 seconds.  The amplitude has no bearing on this calculation, unless it is 6.5 km high and in your lab.  

In that case we'd like to know how much time we have before it reaches us across the 10 m room.

(Distance)/(Time) = 1.75 cm)/(0.2857 sec) = 6.125 cm/second is the speed of the wave.

For a 10 meter room (1000 cm), that would give us (1000cm)/(6.125 cm/sec) = 163 seconds to reach and close the exit door.

Answer: becaue they can burn your body part it i important to tudy chemicals in cloed container

Explanation:

Answer:

There are plenty of reasons why. For some reactions, the system needs to be closed to avoid any alterations to the reaction. It can also be for protection, repeatability, and consistency.

Answer:

A. pole reversals

Explanation:

It's an evidence of magnetic pole reversal of Earth & sea-floor spreading.

Hope this helps!

Magnetic striping is evidence of seafloor spreading and pole reversals. Hence, option A is correct.

The notion that oceanic crust develops along submarine mountain zones, commonly known as the mid-ocean relevant standard, and expands out laterally away from them. This concept was crucial in the creation of the doctrine of plate tectonics, which transformed geologic thought in the last quarter of the twentieth century.

Shortly after World War II, sonar-equipped warships crisscrossed the oceans, gathering ocean-depth profiles of the seafloor underneath them. The survey data was used to create bas-relief maps of the ocean floor, and by 1953, American oceanic mapmaker Marie Tharp had created the first of many maps that revealed the presence of an underground mountain range of more than 16,000 km (10,000 miles) long in the Coast  Mid-Atlantic Ridge.

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It is possible because the rubber ball has mechanical energy which is equal to potential energy.

Mechanical energy of an object is the total energy possessed by the object, including the potential energy and the kinetic energy.

M.A = K.E + P.E

Kinetic energy is the energy possessed by an object due to its motion.

Potential energy is the energy possessed by an object due to its position.

When kinetic energy (K.E) = 0

M.A = P.E

Thus, it is possible because the rubber ball has mechanical energy which is equal to potential energy.

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The French encouraged the African people to take on the culture of the French.

Colonies refers to areas which the Europeans allocated to themselves after they occupied Africa in the 18th to 19th centuries. They ruled these  areas directly until they eventually secured independence.

The following are the statements that describe the French control of its territories;

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Locomotor skills are energy intensive and the pulse rate increases, shortness of breath ensues and pain increases in the muscle due to build up of lactic acid.

Skills are abilities that are acquire through training and practice such the athlete is able to execute them effectively and efficiently.

Some skills that can be acquired in sports include:

Learning a skill requires energy input.

Locomotor skills require the highest energy input.

During the learning of intensive skills such as locomotor skills, the pulse rate increases, shortness of breath ensues and pain increases in the muscle due to build up of lactic acid.

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