Deployment Worksheet 2b - Work 1. A 1400 N force is applied parallel to a horizontal surface. It pushes an 80 kg box 2 m across the surface. What work is done

The element that forms at the core of a red giant star is helium. When a star has exhausted all the hydrogen in its core, it begins to fuse helium atoms together to form heavier elements such as carbon and oxygen.

This fusion process releases energy, causing the outer layers of the star to expand and cool, resulting in the star becoming a red giant. As the helium is depleted in the core, the star will continue to fuse heavier elements until it reaches iron, which cannot be fused without consuming more energy than it releases. At this point, the star will undergo a supernova explosion, leaving behind a remnant such as a neutron star or black hole. Thus, the formation of helium at the core of a red giant star plays a crucial role in the evolution of stars and the creation of heavy elements in the universe.

To learn more about energy here

https://brainly.com/question/1932868

#SPJ11

Answer:

The natural amount of ozone layer present is enough to block the UV rays coming from the sun. A change in its amount means that there's a portion in that layer where those harmful UV rays could enter since it lacks the required amount of ozone to block it.

The UV rays from the sun are sufficiently blocked by the ozone layer's natural presence. A change in its concentration indicates that there is a spot in that layer where those dangerous UV rays could enter, since it doesn't have enough ozone to stop it.

The presence of airborne gases such as carbon dioxide, methane, and vapor causes the greenhouse effect, which warms both the surface and troposphere. Water vapor seems to have the greatest impact of these so-called greenhouse gases.

The atmosphere allows the majority of the sun's visible light to pass through this and reach the surface of the Earth. When the Earth's surface becomes heated by sunlight, some of this energy is radiated back into space as infrared. In contrast to visible light, this radiation has a tendency to be collected by the green house gases, increasing its temperature.

To know more about the Greenhouse effect :

https://brainly.com/question/13706708

#SPJ2

Answer:

Technician A is correct

Explanation:

The statement "charging system is needed to keep the battery fully charged and recharge the battery after starting" is correct

from technician's B point of view, that the charging system supplies electrical current needs after engine start is incorrect.

In-fact the charging system is dedicated to the battery alone, the electrical needs of the system is gotten from the battery.

Answer:The magnetic field around an electromagnet is just the same as the one around a bar magnet. It can, however, be reversed by turning the battery around. Unlike bar magnets, which are permanent magnets, the magnetism of electromagnets can be turned on and off just by closing or opening the switch.

Coal is not derived from the ocean; it is a solid fossil fuel formed from the remains of ancient plants that were buried and subjected to heat and pressure over millions of years.

The answer would be 4. Nuclear. None of the energy sources listed in the question are directly derived from the ocean, but nuclear energy is not typically associated with ocean energy production. The other options listed - coal, oil, petroleum, natural gas, and other fossil fuels - can potentially be sourced or extracted from beneath the ocean floor.
All of the following sources of energy are derived from the ocean except:

1. Coal

To know more about fossil fuel Visit:

https://brainly.com/question/2029072

#SPJ11

The total work done on the system of two equal-mass pucks on frictionless ice pushed towards each other by two equal but opposite forces is negative.

When two equal but opposite forces act on two equal-mass pucks on frictionless ice, the pucks will accelerate towards each other with equal magnitude but in opposite directions.

Since the two forces are equal and opposite, the net force on the system is zero. Therefore, the acceleration of the system is zero, and the velocity of the pucks remains constant.

The work done on an object is defined as the force applied to the object multiplied by the distance over which the force acts. When the two pucks are pushed towards each other by the equal but opposite forces, each puck experiences a force over a certain distance. However, the force and the displacement are in opposite directions for each puck, resulting in negative work done on each puck separately.

However, since we are considering the system of both pucks together, the total work done on the system is the sum of the work done on each puck. Since the work done on each puck is negative, the total work done on the system is also negative.

To know more about work done, refer to the link below:

https://brainly.com/question/14179083#

#SPJ11

Answer:

i tried :( sorry

Explanation:

i believe the role of the government is to help other people and make laws tha help the environment  and  A democracy means rule by the people. The name is used for different forms of government.  

The energy of the photon is approximately 0.263 fJ (femtojoules).

To find the energy of the photon, we can use the equation E = (h * c) / λ, where E represents energy, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.

The speed of light is given as 3.00 × \(10^8\) m/s, so we don't need to make any conversions.

The given wavelength is 0.653 nm. To convert it to meters, we need to multiply it by a conversion factor. Since 1 nm is equal to 1 × 10^-9 meters, we can multiply 0.653 nm by 1 × \(10^-^9\) to get the wavelength in meters: 0.653 × \(10^-^9\)m.

Now, we can use the formula E = (h * c) / λ. Plugging in the values, we get:

E = (6.262 × \(10^-^3^4\) J·s * 3.00 ×\(10^8\) m/s) / (0.653 × 10^-9 m).

After simplifying the expression, we find:

E ≈ 0.263 fJ (femtoJoules).

Learn more about Photon

brainly.com/question/33017722

#SPJ11

Answer:

255 metres

Explanation:

The answer to the question is actually quite simple. Since the car goes for 3.4 seconds, and it goes 75 metres every second, the answer is just 3.4 multiplied by 75 Metres.

Answer:

The people's reliance on the environment's resources generated a deep practical and spiritual link between them and it.

Explanation:

Answer:the same

Explanation:their moving at the same speed and collapse

According to Newton's law, the force exerted by the bug and car is equal and opposite. Thus their acceleration decreases as mass increases. Therefore the acceleration of bug will be greater than that of the car.

Acceleration, in physics is the rate of change in velocity. Thus it has the unit m/s². Newton's second law of motion states that the force acting on a moving body is the product of its mass and acceleration.

Hence F=  m a indicates that the acceleration is in inverse proportionality with the mass. Thus a body with greater mass will have smaller acceleration but greater force.

According to third  law of motion, an action have an equal opposite reaction. Thus the force exerted by the bug on the car and the force exerted by the car on bug are equal and opposite where, the bug will have greater acceleration due to its less mass.

To find more on acceleration, refer here:

https://brainly.com/question/12550364

#SPJ6

The electric field strength, E, at point P on the axis of the rod due to the rod is given by Coulomb's Law as:E = k*(q/r²)

A field is a geographic area or a specific subject or discipline that is studied in great detail. It refers to an area of knowledge or study that is focused on a specific topic, such as physics, mathematics, engineering, philosophy, or psychology. Fields are often divided into sub-fields or branches in order to focus on a particular aspect. For example, the field of psychology might include the sub-fields of clinical psychology, educational psychology, and developmental psychology.

where k is the Coulomb constant (8.99x10⁹ Nm²/C²), q is the total charge on the rod and r is the distance from point P to the center of the rod.

Therefore, the expression for the electric field strength at point P on the axis of the rod at distance r from the center is:

E = 8.99x10⁹ Nm²/C² * (q/r²)

To learn more about field

https://brainly.com/question/14372859

#SPJ4

The speed of the platform so that the person detects a beat frequency of 1.00 Hz is 5.286m/s.

The speaker moving towards the wall is emitting the sound of frequency of 115Hz and the platform right next to the speaker is detecting the sound reflected by the wall and emitted by the speaker.

Now, to find the speed of the platform so that the person here the beta frequency pf 1.00Hz, we will use the relation,

F = (c+v/c-v)f

c = Speed of waves in the medium

u = Speed of the receiver relative to the medium

v = Speed of the source relative to the medium

f = emitted frequency

Our values are given,

Beat frequency = 7Hz

Reflective Doppler frequency = 225+7=232Hz

Putting values,

232 =  (c+v/c-v)225

solving further,

v = 5.286 m/s.

So, the speed of the platform shoud be 5.286m/s.

To know more about frequency, visit,

https://brainly.com/question/254161

#SPJ4

The most common injury related to electrical hazards are Electrical burns.

What are electrical hazards?

An electrical burn is a type of skin burn that develops when your body comes into contact with electricity. It is possible for electricity to pass through your body when it comes into contact with it. When this occurs, the voltage has the potential to harm tissues and organs.

Hence, The most common injury related to electrical hazards are Electrical burns.

To learn more about electrical hazard from the given link

https://brainly.com/question/14140830

#SPJ4

The wavelength of the photon emitted when the electron undergoes a transition from the first excited level to the ground level is 333 nm.

The energy difference between the first excited level and the ground level is given by the equation ∆E = (n²h²)/8mL², where n = 2, m is the mass of an electron, L is the width of the box, and h is Planck's constant. Substituting the given values, we get ∆E = 4.96 x 10⁻²⁰ J. The energy of the photon emitted is equal to this energy difference, so we have E = ∆E = hc/λ, where c is the speed of light and λ is the wavelength of the photon. Solving for λ, we get λ = hc/∆E = 333 nm. Therefore, the wavelength of the photon emitted when the electron undergoes a transition from the first excited level to the ground level is 333 nm.

To learn more about Photon click here

https://brainly.com/question/20912241

#SPJ11

Answer:

35 m/s

Explanation:

vf = vo + at

vf = 15  +  5(4) = 35 m/s

Answer:

Hey mate

Your answer will be 5 N Upwards.

I will explain this to you.

In the attachment we can see that there are two forces acting on the object from the same side. And we know that when force acts from the same direction. Then the total force

=> sum of all the forces in that particular direction.

I hope you got it :)

TheSarcasmic

Answer:

Where is the ionosphere, and what makes it useful to us? The ionosphere is a stretch of the atmosphere ranging from the upper mesosphere to the lower parts of the thermosphere. It is useful to us in radio communication, as radio signals can bounce off of it to extend their range

Answer:

kya faltu sawal h repetitive g=10N/kg

Fe/Fg = 4.2 x 10⁴² is the gravitational attraction.

Gm²/r² the gravitational attraction between two electrons is given by, where G is the gravitational constant, m is the electron mass, and r is the distance between the two electrons.

r = the distance between two electrons the size of the charge on each electron, or q, is 1.6 x 1019 C.

The mass of one electron, or m, is 9.1 x 1031.

The Coulomb force of repulsion is expressed mathematically as

Fe equals (9 x 109) k q/r2 (1.6 x 10-19) ²/r²

Fg = Gm2/r2 = 6.67 x 1011 is the formula for the gravitational force of attraction. (9.1 x 10⁻³¹) ²/r²

The formula for calculating Fe/Fg is [(9 x 109) (1.6 x 1019) 2/r2] / [(6.67 x 1011). (9.1 x 10^-31) ⁻³/r²]

Fe/Fg = 4.2x10⁴²

Learn more about gravitational attraction here:

https://brainly.com/question/19822389

#SPJ4

Answer:

bounces off the mirror at the same angle it hits the solid surface.

Explanation:

According to the Law of Reflection, a light ray strikes a mirror at the point of incidence bounces off the mirror at the same angle it hits the solid surface.

The incident ray and the reflected ray lie in the same plane

The angle of incidence is equal to the angle of reflection as a ray of light reflects off a solid surface.

So,

correct answer is ''bounces off the mirror at the same angle it hits the solid surface.''

I am a field physicist and I perform QA measurements of various types of X-ray units. Due to recent changes in legal requirements in my country, we have to provide the radiation output value for each unit tube measured in m Gy MA's at 1 meter from focal spot) at filtration of 2,5 mm Al equivalent. a. True

This unfortunately cannot be directly achieved for interventional radiology units, some CTs and occasionally other types of X-ray units. A filter of 2 mm of aluminum will absorb the soft, or less penetrating, radiation. Aluminum is often used as a filter in radiography because it effectively absorbs low-energy, soft X-rays, while allowing more penetrating, higher-energy X-rays to pass through. This helps improve image quality and reduce patient exposure to unnecessary radiation.

learn more about radiation here

https://brainly.com/question/31561778

#SPJ11

The moves your car forward is the effect of static friction. The power needed to move the tires, which would in turn pushes the vehicle backward against the road, comes from the engine.

Force is the term used to describe a body's tendency to alter or alter its state as a result of an external cause. When force is applied, the body could also alter its size, shape, and direction. hitting a football, pushing and pulling on the door, or kneading dough are a few examples.

A push in pull that an object experiences as a result of interacting with another item is known as a force. Every time two items interact, a force is exerted on all of the materials. The force is no longer felt by the two surfaces when the interaction ends.

To know more about Force visit:

https://brainly.com/question/13191643

#SPJ4

Answer:

Explanation:

1

2

3

The third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation.

A linear function is a function whose graph represents a straight line when the points are plotted, and also can be modelled by the equation, y = mx + b.

b is the value of y when x = 0 (y-intercept)

m is the slope or unit rate.

Thus, the third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation (see attachment). The last table has a constant slope of -3, hence it represents a linear function.

Table of functions

From the given table, we need to determine which of the table is a linear table. To determine that, we must check which of the table has a constant rate of change

Looking at the last table;

Slope = -4-(-2)/2-1

Slope = -4+1/1

Slope = -3

Since the last table has a constant slope of -3, hence it represents a linear function.

Learn more about constant slope on:

https://brainly.com/question/24232895

#SPJ7

Answer:

The answer is 61.45 °C

Explanation:

Clausius-Clapeyron equation:

P2= Normal pressure

T2= Normal boiling point

ln(p2/p1)=−(ΔHv/R)*(1/T2 − 1/T1)

ln(760/190) = –(31400/8.314)*[(1/T2) – (1/298)]

T2 = 334.6 K = 61.45 °C

Learn more about the boiling point of chloroform here: https://brainly.com/question/13538618

#SPJ4

The potential energy of the cat is 17.76 joules.

The kinetic energy of the cat just before hitting the ground is 84.59 joules.

Part 1:

The potential energy of the cat can be found using the formula:

potential energy = mass x gravity x height

where the mass of the cat is 3.63 kg, gravity is 9.81 m/s², and height is 0.5 meters.

Substituting these values in the formula, we get:

potential energy = 3.63 kg x 9.81 m/s² x 0.5 m

potential energy = 17.76 joules

Therefore, the potential energy of the cat is 17.76 joules.

Part 2:

The kinetic energy of the cat just before hitting the ground can be found using the formula:

kinetic energy = 0.5 x mass x velocity²

To find the velocity of the cat just before hitting the ground, we can use the equation of motion:

height = (1/2) x acceleration x time² + initial velocity x time

where height is 0.5 meters, acceleration is gravity (9.81 m/s²), time is 2 seconds, and initial velocity is 0 m/s (since the cat starts from rest).

Rearranging this equation to solve for velocity, we get:

velocity = (height - (1/2) x acceleration x time²) / time

velocity = (0.5 - (1/2) x 9.81 x 2²) / 2

velocity = -4.905 m/s (the negative sign indicates that the velocity is downward)

Substituting the mass of the cat (3.63 kg) and the velocity (-4.905 m/s) in the formula for kinetic energy, we get:

kinetic energy = 0.5 x 3.63 kg x (-4.905 m/s)²

kinetic energy = 84.59 joules

Therefore, the kinetic energy of the cat just before hitting the ground is 84.59 joules.

Read more on kinetic energy here:https://brainly.com/question/8101588

#SPJ1

Answer:

V = 268.8 m/s

Explanation:

The speed of a wave in general is given by the following formula:

V = fλ

where,

V = Speed of that wave

f = Frequency of the wave

λ = wavelength of the wave

In this case we have a sound wave, travelling across carbon dioxide. The properties of sound wave are as follows:

V = Speed of Sound in Carbon dioxide = ?

f = frequency of sound wave = 140 Hz

λ = wavelength of sound wave = 1.92 m

Therefore,

V = (140 Hz)(1.92 m)

V = 268.8 m/s

Answer:

B. Mescaline

Explanation:

Answer:

Peyote contains a psychotropic drug called mescaline

or B

Explanation:

Answer:

friction

air drag

every thing that opposes the motion affects kinetic energy

Explanation:

kinetic energy is a energy which is increase with increase in motion and potential energy is energy stored while the object is at rest

potential energy ∝ 1/(kinetic energy)

as kinetic energy increases potential energy decreases