Explain how the Sun's gravitational force affects Earth even though the Sun is 93 million miles away.

The wild offers more natural structures and temperatures that keep animals adapted to their surroundings. However, in captivity animals tend to differ from their wild counterparts. For one thing, the wild cultivates an animal's hunting skills but, when or if they are releasing into the wild, they do not know what to do whereas they have been sheltered their entire life. They don't know how to find natural structures to keep warm in, what places are safe or even survival strategies. The conditions in the wild teach an animal to survive while the conditions from man-made structures just give them an easy survival.

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Answer:

0 degrees

Explanation:

this is because when the light ray hits a surface a medium at 90 degrees then the angle of incidence = 0 , thus light doesn't bend when it enters the medium, no bending means angle of refraction is 0 degrees

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Answer:

B

Explanation:

Answer:

A because that's the answer

Relative humidity indicates the nearness to saturation for the air, which means the amount of water vapor present in the air relative to the maximum amount the air can hold at that temperature. So the correct option is b.

Relative humidity indicates the nearness to saturation for the air. Relative humidity is a measure of the amount of moisture present in the air compared to the maximum amount of moisture the air could hold at a particular temperature, expressed as a percentage. It is a measure of how close the air is to being saturated with moisture. When the relative humidity is 100%, the air is fully saturated and cannot hold any more moisture, which often leads to the formation of clouds or precipitation. Conversely, when the relative humidity is lower, the air has the capacity to hold more moisture before reaching saturation. Relative humidity is an important parameter in weather forecasting, as it can affect various atmospheric processes such as cloud formation, evaporation, and precipitation.

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Since the kinetic energy is equal to the potential energy then the speed of the object is √2gh.

The term work refers to the product of force and distance moved by force while energy is the ability to do work. The question is incomplete as the figure is not shown.

We know that the kinetic energy is equal to the potential energy hence;

mgh = 1/2mv^2

gh= 1/2v^2

v = √2gh

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The correct answer is B to C.

From the law of conservation of energy, energy can neither be created nor be destroyed but can be converted from one form to another.

Potential energy is the form of energy that is possessed by an object due to its height. The kinetic energy is the form of energy that is possessed by an object due to its motion.

The gravitational potential energy of the roller coaster will be maximum when it is at the maximum height and it will decrease with the decreasing height.

Its kinetic energy will be maximum when it has a maximum velocity.

Thus the roller coaster will have maximum kinetic energy at point B. And as it rises on the track towards point C, it will lose its kinetic energy which will be transformed into potential energy.

Thus as the roller coaster moves from B to C, its kinetic energy will be transformed

High mass stars produce energy at a faster rate and use carbon in a process that fuses hydrogen to helium.

What is energy ?

Energy, in physics the ability to do work. It can exist in electrical, kinetic, thermal, electrical, chemical, nuclear, or various other forms. There is also heat and work. H. Energy in transfer from one object to another. After transmission, energy is always referred to according to its nature. Thus, the heat transferred can become thermal energy, while the work done can appear as mechanical energy. All forms of energy are associated with movement. For example, any object has kinetic energy when it is in motion. A taut device such as a bow or spring can create motion even when stationary. Because of its composition, it contains potential energy. Similarly, nuclear energy is potential energy as it results from the composition of subatomic particles within the nucleus.

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In order to calculate a planet's orbital period, we must know the dimensions of its orbit. The correct answer is C.

To calculate a planet's orbital period, we need to know the dimensions of its orbit, specifically the semi-major axis. The semi-major axis is the average distance between the planet and its parent star (assuming a circular or nearly circular orbit). The orbital period of a planet is determined by its distance from the star and the mass of the star.

The tilt of the planet's axis (option A) affects the planet's seasons but does not directly impact its orbital period. The radius of the planet (option B) is not directly related to its orbital period either. The velocity of the planet (option D) can vary along its orbit, but it is not sufficient on its own to calculate the orbital period. Hence the correct answer is C.

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When,a man stands still on a moving walkway that is going at a speed of 0.2 m/s to the west,then the velocity of the man according to a stationary observer would be 0.2 m/s west,Therefore, the correct answer would be option B.

The total displacement covered by any object per unit of time is known as velocity. The velocity of an object is depend on the magnitude as well as the direction of the object.

the mathematical expression for velocity is given by

velocity = total displacement /time

The speed and velocity of the object are very different from each other because speed does not depend upon the direction of the moving  object but velocity depends on the magnitude of speed as well as the direction of the moving object.

As per given in the problem a man stands still on a moving walkway that is going at a speed of 0.2 m/s to the west therefore from the perspective  of a stationary observer the velocity of man would be 0.2 m/s towards West.

Hence the correct options for the problem would be option B.

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Answer:

\(Q_t= 8.3 * 10^3 C\)

Explanation:

From the question we are told that:

Resistor \(R=1000ohms\)

Voltage \(v=120_V\)

Capacitance of c_1 \(c_1=20 \mu F\)

Capacitance of c_2 \(c_2=60 \mu F\)

Time \(t=0\)

Generally the equation for charges is mathematically given by

\(For C_1\\Charge\ on\ C_1 = CV = 20*120 = 2400 μC = 2.4 x 10^-3 C\\Charge\ on\ C_1 = 2400 μC = 2.4 x 10^-3 C\\Charge\ on\ C_1 = 2.4 x 10^-3 C\\\)

\(ForC_2\\Charge on C_2 = 60*120 =7200 μC = 7.2 x 10^-3\\Charge on C_2 = 7.2 x 10^-3\)

Generally the equation for voltage across capacitors is mathematically given by

\(V_c(t)=V(1-e^{-t/RC})\)

\(C=C_1+C_2=80 \mu f\\t=2RC=>160000s\)

\(V_c(t)=120(1-e^{-(160000)/1000*(80)})\)

\(V_c(t)=103.7598\)

Generally the equation for charges is mathematically given by

\(Q1(t) = C1Vc(t)\\Q1(t) = 20*103.7598\\Q1(t) = 2075.196\\\\Q2(t) = 60*103.7598\\Q2(t) = 6225.6\\\)

Generally the equation for total charges \(Q_t\) is mathematically given by

\(Q_t=Q1(t)+Q2(t)\)

\(Q_t= 8.3 * 10^3 C\)

Answer:

S = V0 t + 1/2 a t^2

25 = 1/2 a (60)^2      since iceboat starts from rest V0 = 0

a = 50 / 3600 m/s^2 = .0139 m/s^2

V = a t = .0139 m/s^2 * 60 s = .833 m/s

Answer:

Jump from tallest building (Burj Khalifa) without any protection kit.

The net force on the box, if it experiences a force of 15 N to the left, along with the 20 N force acting to the right is 5 N.

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

To calculate the net force on the box, we use the formula below.

Formula:

Where:

F' = Net force on the box

F₁ = Force acting to the left

F =  Force acting to the right

From the question,

Given:

Substitute these values into equation 1

Hence, the net force on the box is 5 N.

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Answer:

C = Q / V      

Q = C * V = 2.5 F * 3 V = 7.5 Coulombs (assuming the batteries are in series)

N e = Q       where N is the number of electrons and e the electronic charge

N = 7.5 / (1.60E-19) = 4.7E19 electrons

or 4.7 * 10^19 electrons

To calculate the angle of refraction when a ray travels from one medium to another, you can use Snell's law, which states:

n₁ * sin(θ₁) = n₂ * sin(θ₂), where:

n₁ = refractive index of the first medium

θ₁ = angle of incidence

n₂ = refractive index of the second medium

θ₂ = angle of refraction

In this case, the ray is traveling from Quartz (n₁ = 1.46) to Water (n₂= 1.33), and the angle of incidence is 35.0 degrees.

Plugging the values into Snell's law, we have:

1.46 * sin(35.0°) = 1.33 * sin(θ₂)

Rearranging the equation to solve for θ₂:

sin(θ₂) =\(\frac{1.46 * sin(35.0^{0})}{1.33}\)

θ₂ = arc sin(\frac{1.46 * sin(35.0^{0})}{1.33})

Using a calculator, we can evaluate this expression:

θ₂≈ arc sin(0.8948) ≈ 61.64°

Therefore, the angle of refraction in water (n = 1.33) is approximately 61.64 degrees.

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Answer:

1.to look at your face of their is a mess.

2.to see if your hair is messy.

3.to see of your name is messy

Explanation:

none

a) To determine how long it would take a wind turbine to generate a billion joules of energy, we would need to know the power output of the turbine. If we assume the turbine has a constant power output of 1 megawatt (1 million watts), then it would take 1000 seconds (or about 16.7 minutes) to generate a billion joules of energy.

b) Nuclear reactors generate electricity by using nuclear reactions to heat water, which produces steam that drives a turbine and generates electricity. The nuclear reaction occurs in the reactor core, where uranium fuel rods are used to generate heat through a process called nuclear fission.

c) The efficiency of a wind turbine is limited by several factors, including the design of the turbine blades, the wind speed and direction, and the overall efficiency of the generator and other components. As wind speed increases, the efficiency of the turbine typically increases up to a certain point, after which the turbine may need to be shut down to prevent damage.

d) Motion is converted to electricity in a generator, which uses the principles of electromagnetic induction to produce an electrical current. When the turbine blades rotate, they turn a rotor in the generator, which then produces an electrical current in the stator.

e) Horsepower is a unit of power, named after the Scottish inventor James Watt's observation of the power of a horse to lift weights. One horsepower is equivalent to 746 watts of power. It is often used to describe the power output of engines, motors, and other mechanical devices.

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The 0.80 m is the starting height of the car at the top of a frictionless track.

What is frictionless?

Frictionless is a type of technology that enables activities or processes to occur without resistance or difficulty. It is used in a variety of fields, from banking to digital marketing, and it generally involves the use of software or other digital tools that simplify complex tasks and make them easier to accomplish. With frictionless technology, users are able to perform tasks faster, more securely and with minimal effort. For example, in banking, frictionless technology is used to enable customers to make payments or transfers without having to enter their credentials or payment information each time. Similarly, in digital marketing, frictionless technology is used to enable customers to make purchases without having to enter their billing information multiple times.

The 0.50 m is the diameter of the loop that the car goes through. The 0.25 m is the height of the car when it exits the ramp.

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As a result, the effective spring constant of the musculature linked to the eyeball is 6.39 N/m.

Frequency is a measure of the number of cycles of a periodic wave that occur in a given unit of time. It is defined as the number of complete oscillations of a wave in a given time interval, usually one second. The unit of frequency is Hertz (Hz), which is equivalent to one cycle per second. In physics, frequency is an important concept in the study of waves, including sound waves, light waves, and electromagnetic waves. The frequency of a wave determines its pitch (in the case of sound waves) or its color (in the case of light waves). High frequency waves have a high pitch or a short wavelength, and low frequency waves have a low pitch or a long wavelength.

Here,

To calculate the effective spring constant of the musculature attached to the eyeball, we need to use the formula for the natural frequency of a spring-mass system, which is given by:

f = (1/2π)√(k/m)

where f is the natural frequency, k is the spring constant, and m is the mass.

Given that the mass of the eyeball is 7.5 g and the natural frequency is 29 Hz, we can rearrange the formula to solve for the spring constant:

k = (4π² * m * f²)

k = (4π² * 0.0075 kg * 29² Hz²)

k = (4π² * 0.0075 kg * 841 Hz²)

k = 6.39 N/m

So, the effective spring constant of the musculature attached to the eyeball is approximately 6.39 N/m.

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Answer:

\(5.7 g/cm^{3}\)

Explanation:

ρ = 8.0 g/\(1.4 cm^{3}\) = \(5.7 g/cm^{3}\)

The correct option is b. closed-loop supply chain

Closed-loop supply chain is designed to optimize both forward and reverse flows.

Businesses recycle their waste volume to make new products in such a closed-loop supply chain. This method of resource conservation and energy conservation is sustainable.

Some characteristics of closed-loop supply chain are-

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In other words, net work is the work produced by the net external force Fnet. Net work is defined as the total amount of work produced by all external forces. This may be expressed mathematically as Wnet=Fnetdcos where.

The word "force" has a very specific sense. At this level, the phrases "push" and "pull" are entirely suitable to describe forces. The second object exerts force on the first. A force can be thought of as consisting of both living and non-living entities.

Different categories of forces are denoted by the phrases "contact forces" and "non-forces." There are many different types of forces, including the nuclear force, gravitational force, frictional force, magnetic force, electrostatic force, and spring force.

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we can use the equation for the location of the bright fringes in an interference pattern:

tan(12.5°) = y/D y = D tan(12.5°) We also know the wavelength of the light is 449 nm, or 4.49 x 10^-7 m. Plugging in these values and solving for d: y = mλD/d D tan(12.5°) = λd d = λD / tan(12.5°) d = (4.49 x 10^-7 m)(D) / tan(12.5°) We don't know the distance from the slits to the screen, D, but we can assume it's on the order of a few meters. Let's say D = 2 m: d = (4.49 x 10^-7 m)(2 m) / tan(12.5°) d ≈ 1.11 x 10^-6 m So the spacing of the slits is approximately 1.11 μm.

Equation in science is a mathematical statement that expresses the relationship between two or more quantities. Equations can be used to describe natural phenomena, determine variable values, or solve problems. Equations usually consist of symbols that represent quantities, operators that indicate mathematical operations, and an equal sign (=) that indicates equality.

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Answer:

B.age

Explanation:

yan po sagut............

The age limit to drink beer is 17 or 18 and up

Answer:

c. root-pry

Explanation:

i did the test

The process by which a seed enters a rock fracture and the expanding roots push to widen the fissures is known as mechanical weathering.

Machine-induced weathering Mechanical weathering, sometimes referred to as physical weathering and disaggregation, causes rocks to break down. Water, whether liquid or solid, is usually present during mechanical weathering. For instance, liquid water may seep through fractures and fissures in rock.

You may get mechanical weathering from

the reduction in pressure produced on by the removal of subsurface rock.

Water freezes and thaws in the granite's crevices.

Salt crystals are developing inside the rock.

cracking brought on the plant roots and exposed by digging animals

The information is ,

Let's say the weathering looks like A.

Now, plants are to blame since a seed that falls into a fracture in a rock and the seed's expanding roots push and widen the original gap

Weathering from mechanical sources and one mechanical weathering mechanism that fractures rocks is the freezing and spreading of ice in rock cracks.

Moreover, mechanical weathering reduces rocks into microscopic fragments, increasing the surface area of the material as a whole.

Hence, the method is mechanical weathering.

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