What is the First ever Rover to land on mars. PLS HELPP I WILL GIVE BRAINLEIST TO WHO ANSWERS FIRST

The color depends on the properties of the light, which is the frequency of the light. The option a is the correct answer.

The frequency of light is the number of complete cycles or oscillations in which the light wave occurs in a period. Different frequencies of light correspond to different colors in the visible spectrum. For example, high-frequency light appears bluer, while low-frequency light appears more red.

Amplitude refers to the strength or brightness of the light and does not directly determine the color of the light.

While the speed of light is important in physics, it is not directly related to color perception.

So the correct answer is frequency (a).

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The orbital period of the satellite circling the Earth at an altitude of 3500 km is 163 minutes

The orbital period for the satellite circling the Earth at an altitude of 3500 km can be obtained as follow:

T² = (4π² / GM) × a³

T² = [(4 × 3.14²) / (6.67×10¯¹¹ × 5.987×10²⁴)] × 9900000³

Take the square root of both sides

T = √[((4 × 3.14²) / (6.67×10¯¹¹ × 5.987×10²⁴)) × 9900000³]

T = 9789.15 s

Divide by 60 to express in minutes

T = 9789.15 / 60

T = 163 minutes

Thus, we can conclude that the orbital period of the satellite is 163 minutes

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Two converging lenses are separated by a distance L = 90 [cm]. The focal length of each lens is equal to f₁ = f2 = 5 [cm]. The image will be formed at a distance of 10 cm on the right side of the second lens.

The lens formula is represented by: (1/v)-(1/u)=1/f, where, v is the image distance, u is the object distance. f is the focal length. Here, f1 = f2 = 5 cm. As the lenses are converging lenses, the focal length will be positive. Therefore, the lens formula becomes: (1/v) - (1/(-30)) = 1/5.

Solving this equation, we get: v= -15 cm.

(The negative sign indicates that the image formed is virtual and erect.). Now, we need to calculate the distance between the object and the first lens. Here, the image formed by the first lens will act as the object for the second lens.

Thus, u2 = -v = 15 cm. As per the lens formula: (1/v)-(1/u)+(1/f)=0. Here, f=5 cm, u=15 cm.

Thus, the equation becomes:(1/v)-(1/15)+(1/5)=0Solving this equation, we get: v=10 cm. The image formed by the second lens will be real and inverted. Thus, the final image will be formed by the second lens at a distance of 10 cm on the right side of the second lens. The image will be formed at a distance of 10 cm on the right side of the second lens.

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The final image is formed at a distance of v₂ = 75/16 cm from the second lens and it is inverted and half the size of the object.

Given,

Two converging lenses are separated by a distance L = 90 [cm].

The focal length of each lens is equal to f₁ = f₂ = 5 [cm].

An object is placed at distance so = 30 [cm] to the left of the first lens (Lens 1).

To find the position and size of the final image of the object formed by the two lenses, we can use the lens formula.

For Lens 1:

u₁ = -30 cm;f₁ = 5 cm;v₁ = ?

Lens formula is given by,

`1/v₁ - 1/u₁ = 1/f₁`

On substituting the given values,

`1/v₁ - 1/-30 = 1/5``1/v₁ + 1/30 = 1/5``(1+ v₁/30)

= 6/v₁``v₁² + 30v₁ - 180 = 0``v₁

= (-30±√(30²+4×1×180))/2×1``v₁

= (-30±60)/2``v₁

= 15 cm`

Therefore, the image formed by Lens 1 is at a distance of v₁ = 15 cm from it.

Now, for Lens 2:

u₂ = 75 cm (distance of image formed by Lens 1 from Lens 2) and f₂ = 5 cm

Lens formula:`

1/v₂ - 1/u₂ = 1/f₂``1/v₂ - 1/75 = 1/5``1/v₂ = 1/5 + 1/75``1/v₂ = (15 + 1)/75``1/v₂ = 16/75``v₂ = 75/16 cm

`The size of the final image can be calculated using the magnification formula.

Magnification, `m = height of image/height of object

``m = v₁/u₁ × v₂/u₂``m = 15/-30 × 75/75``m = -1/2`

Since the value of magnification is negative, the image formed by the two lenses is real and inverted.

The final image is formed at a distance of v₂ = 75/16 cm from the second lens and it is inverted and half the size of the object.

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Answer:

homboy it Position

Explanation:

Answer: i think position

Explanation:just thinking

An industrial load consumes 100 kw at 0.8 pf lagging. if an ammeter in the transmission line indicates that the load current is 200 a rms, the load voltage is 625 volts.

We are provided with information about an industrial load, specifically its power consumption, power factor, and current. Our goal is to determine the load voltage. First, we calculate the apparent power (S) using the formula S = P / PF, where P is the power and PF is the power factor. The power is given as 100 kW (kilowatts), and the power factor is stated as 0.8 (lagging). Dividing 100 kW by 0.8 gives us an apparent power of 125 kVA (kilovolt-amperes). Next, we utilize the relationship between apparent power, voltage, and current. The apparent power (S) is given by the formula S = V * I, where V represents voltage and I represents current. Rearranging the formula, we find V = S / I.

Plugging in the values we have, we substitute 125 kVA for S and 200 A (amperes) for I. Dividing 125 kVA by 200 A, we calculate the load voltage to be 625 V (volts). Therefore, based on the given power consumption of 100 kW at a power factor of 0.8 lagging and an ammeter reading of 200 A rms, we conclude that the load voltage is 625 volts.

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Answer:

The drawdown in a confined aquifer under transient conditions can be estimated using the Theis solution for the non-equilibrium radial flow of water. This solution is given by:

s = Q / (4πT) * W(u),

where s is the drawdown, Q is the pumping rate, T is the transmissivity, and W(u) is the well function (also called the Theis function) which depends on the variable u, where:

u = r²S / (4Tt),

where r is the distance from the pumping well and t is the time since pumping began.

Given T = 2500 m²/day, S = 1.0 x 10-3, and Q = 500 m³/day, we can calculate the drawdown at 10 m (r1 = 10 m) and 50 m (r2 = 50 m) for t = 150 days.

For (i) r1 = 10 m:

u1 = r1²S / (4Tt) = (10 m)² * 1.0 x 10-3 / (4 * 2500 m²/day * 150 days) = 0.000667

s1 = Q / (4πT) * W(u1) = 500 m³/day / (4π * 2500 m²/day) * W(0.000667).

For (ii) r2 = 50 m:

u2 = r2²S / (4Tt) = (50 m)² * 1.0 x 10-3 / (4 * 2500 m²/day * 150 days) = 0.01667

s2 = Q / (4πT) * W(u2) = 500 m³/day / (4π * 2500 m²/day) * W(0.01667).

Explanation:

Unfortunately, the well function W(u) cannot be evaluated directly without more specialized knowledge or tools. The well function is related to the exponential integral function, which requires numerical computation. You would typically use a table of values, a calculator with this function, or a computer program to evaluate it. After obtaining W(u), multiply it by the remaining fraction to find the drawdowns.

The initial speed of the child is 1.5 m/s, which is equal to the tangential speed of the turntable.

As the child crawls towards the center, the distance between the child and the center decreases from 1.7 m to 0.8 m. This means that the child's tangential speed decreases proportionally to the decrease in radius, as there is no external force acting on the system to change the speed. This is known as the conservation of angular momentum. Therefore, the child's new tangential speed is (1.7/0.8) times the initial tangential speed, or approximately 3.6 m/s. Since the turntable and the child are a single system, the turntable will also be spinning at this new speed due to the conservation of angular momentum. It is important to note that this calculation ignores friction, which would cause the child's speed to decrease more quickly as they move towards the center, ultimately leading to a slower final speed for the turntable.

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Answer:

Explanation:

This is a torque problem where balance is achieved when the sum of the torques equal 0. The equation for torque is

\(\tau=F*r\) where F is the force in Newtons that is perpendicular to the lever arm, and r is the length of the lever arm in meters.

450(2) = 350r and

\(\frac{450(2)}{350}=r\) so

r = 2.6 m

The constant load p is applied to ball a as shown. as a result the system moves to the right on the smooth surface and during the process the spring stretches and contracts. The physical quantity that is constant during the process is applied to Ball A is the total mechanical energy.

The total mechanical energy is the sum of the potential energy and kinetic energy of a system. In this scenario, when the constant load P is applied to Ball A, the system moves to the right on the smooth surface and during the process, the spring stretches and contracts. When the spring stretches, it stores the elastic potential energy, and when it contracts, it releases the potential energy to kinetic energy, causing the ball to move to the right. The process repeats, causing Ball A to oscillate back and forth.

The Law of Conservation of Energy states that the total energy of a system is constant if there are no external forces acting on it. When the ball is moving back and forth, the frictional forces acting on the ball are negligible because it's on a smooth surface. As a result, the total mechanical energy of the system is conserved.

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A resume is usually read for less than C. 30 seconds by an employer.

A resume is a document that presents your educational qualifications, experiences, and achievements that have taken place throughout your academic career and professional life. This document is crucial in a job application process, and it plays a key role in determining whether an employer is interested in interviewing you or not. Thus, it is necessary to write a well-written and a concise resume that catches the employer's attention in less than 30 seconds. This is because most employers go through many job applications and they do not have much time to read every resume thoroughly.

Therefore, it is essential to organize and format the resume in such a way that the key information and skills stand out. In addition, it is necessary to customize the resume to fit the job requirements of each job application, this can be done by researching the company and the job position to determine what skills and qualifications the employer is looking for. In conclusion, it is crucial to ensure that the resume is well-written, organized, and customized to fit the employer's requirements. So the correct answer is C. 30.

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Answer:

As Per Provided Information

We have been asked to determine the maximum height reached by the object .

here we will take acceleration due to gravity g is 9.8 m/s².

For calculating the maximum height attained by the object we will use the following formula .

\( \boxed{\bf \:H_{(max)} \: = \cfrac{u {}^{2} {sin}^{2} \theta }{2g}}\)

Substituting all the value in above equation we obtain

\(\sf \qquad \: \longrightarrow\:H_{(max)} \: = \cfrac{ {25}^{2} {sin}^{2} {50}^{ \circ} }{2 \times 9.8} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cfrac{625 \times(0.766) {}^{2} }{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cfrac{625 \times 0.586756}{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cfrac{366.7225}{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cancel \cfrac{366.7225}{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} =18.71 \: m\)

Therefore,

Answer:

ac = 124.6 m/s²

Explanation:

When an object executes a uniform circular motion, acceleration is produced in it due to a change in its direction during the motion. This acceleration is called the centripetal acceleration. The formula used to find this acceleration is given as follows:

\(a_{c} = \frac{v^{2}}{r}\\\)

where,

ac = centripetal acceleration = ?

v = speed = 9 m/s

r = radius = 0.65 m

Therefore,

\(a_{c} = \frac{(9\ m/s)^{2}}{0.65\ m}\\\)

ac = 124.6 m/s²

The work function of zinc is 4.3 eV, which is the closest to our calculated value of 4.86 eV. Therefore, the unknown material is likely zinc.

a) First, we can use the reference cesium cathode to find the frequency of the laser beam:

0.31 V = hf - Φ(Cs) = hf - 2.1 eV

Solving for f, we get:

f = (0.31 V + 2.1 eV)/h = 9.25 x \(10^{14 }\) Hz

b) Next, we can use the frequency we just found to find the work function of the unknown material:

0.11 V = hf - Φ(unknown)

Φ(unknown) = hf - 0.11 V = (6.626 x\(10^{-34 }\)J s)(9.25 x \(10^{14 }\)Hz) - 0.11 V

Φ(unknown) = 4.86 eV

Work can be defined as the physical or mental effort exerted by an individual or a group of individuals toward achieving a particular goal or task. It involves the application of knowledge, skills, and abilities to complete a task, project, or duty assigned to an individual or a team within a given period of time.

Work can be classified into different types, such as manual work, intellectual work, creative work, and professional work, depending on the level of skill, knowledge, and effort required to carry out the task. The concept of work is closely related to productivity, as the efficiency and effectiveness of an individual or a team's work output are critical in determining their success in achieving their goals

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Complete Question:

A corporation conducts an experiment with a laser beam of unknown wavelength incident on a cathode manufactured from an unknown material. knowing that the stopping capacity is zero.11 V when the contemporary is removed. As a reference, a cesium (Cs) cathode is used, which has a feature of 2.1 eV while the use of the same laser, it additionally has a stopping capacity of zero.31 V for a 0 current. A) what is the running frequency for the unknown cathode? b) What will be the unknown fabric used in the cathode?

Answer:

Explanation: F = m * a F = 20 kg * 3 m/s 2 F = 60 N Newtons are a derived unit, equal to 1 kg-m/s². In other words, a single Newton is equal to the force needed to accelerate one kilogram one meter per second

The magnetic flux through the coil of inductance 8 mH and 400 turns, when 5 mA current is passed through it, is \(10^{-8}\) Wb

Magnetic Flux is described as the total magnetic field which passes through a cross-section of an area. Inductance refers is the tendency to oppose the change in the electric current flowing through a conductor.

These are related to each other by

L i = N Ф

where L is the inductance

i is the current passed

N is the number of turns

Ф is the magnetic flux

According to the question,

8 * \(10^{-3}\) * 5 * \(10^{-3}\) = 400 Ф

Ф = \(10^{-8}\) Wb

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The value for the total energy that reaches each square meter of Earth from the Sun each second is called solar irradiance.

Solar irradiance is a measure of the power per unit area received from the Sun in the form of electromagnetic radiation, particularly in the visible and ultraviolet (UV) wavelengths. The average solar irradiance at the outer atmosphere of Earth is approximately 1,366 watts per square meter. However, due to the Earth's atmosphere, the actual amount of solar energy that reaches the surface of the Earth is slightly lower, around 1,000 watts per square meter on a clear day.

Solar irradiance is a crucial factor in understanding Earth's climate, weather patterns, and the functioning of ecosystems. It is essential for the process of photosynthesis in plants, and it is also a key input for solar power generation. Solar irradiance varies based on factors such as time of day, latitude, and weather conditions.

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The nuclear energy of the fuel in a nuclear power plant is primarily converted to heat when reacted.

Option (c) is correct.

In a nuclear power plant, nuclear fission reactions take place within the fuel, typically uranium or plutonium. These reactions release a tremendous amount of energy in the form of heat. This heat is used to produce steam, which drives a turbine connected to a generator.

The generator then converts the mechanical energy from the turbine into electricity. So while nuclear energy is ultimately converted into electricity, the primary conversion that occurs within the power plant is from nuclear energy to heat. The heat is the intermediary form of energy that drives the electricity generation process.

Therefore, the correct option is (c) Heat.

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Complete question is:

The nuclear energy of the fuel in a nuclear power plant is

converted to ______ when reacted?

Group of answer choices

a) Chemical Energy

b) Light

c) Heat

d) Electricity

The object that has potential energy is the can of gasoline.

Potential energy is described as the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

The forms of potential energy includes:

Potential energy is described as the energy a system has due to position, shape, or configuration.

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Answer:

Option D is correct.

Explanation:

\(Cm_{246} +C_{12}\) → \(No_{254}\)

Hence, it is the fusion reaction.

When two or more nuclei fuse together to form a heavy nucleus with the energy released, is called fusion.

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Answer:

5.0 ohms is the answer

Explanation:

(why was my answer deleted????????)

Answer: faster

Explanation:

Given

hammer is dropped from a height of  12 ft on the surface of the moon

Here, the potential energy is converted into kinetic energy

\(\Rightarrow mgh=\dfrac{1}{2}mv^2\\\\\Rightarrow v=\sqrt{2gh}\)

That is velocity is a function of the square root of height. The more the height, greater is the velocity.  

So, the hammer hits the ground faster .

The magnitude of its acceleration is a= g (\(W_{B}\))/( 2\(W_{A}\) +\(W_{B}\) )

The length of the vector is all there is to an acceleration's magnitude. To put it another way, writing the magnitude of acceleration indicates how quickly velocity varies. In the standard international (SI) system, the acceleration is measured in units of meters per second square.

Let T be the rope's tension, assuming it has no mass.

T =( 2\(W_{A}\))a/g ------- 1

(\(W_{B}\)) - T = (\(W_{B}\\\))a/g ------- 2

Add 1 and 2

\(W_{B}\) =(a/g)( 2\(W_{A}\)+ \(W_{B}\))

a= g (\(W_{B}\))/( 2\(W_{A}\) +\(W_{B}\) ).

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Answer:

Option C as it stops flies from sitting on the food

Make sure your calculator is in degree mode.
The direction of the net momentum is θ degrees measured clockwise from the north to the west.

To determine the direction of the net momentum, follow these steps:
Step 1: Identify the momentum components
Since the question does not provide specific information about the magnitudes or directions of the individual momenta, let's assume that we have two momenta: momentum A pointing north, and momentum B pointing west.

We can represent them as vector quantities A and B, respectively.
Step 2: Find the horizontal (westward) and vertical (northward) components of the net momentum
The horizontal component of the net momentum is the westward momentum (momentum B).

The vertical component of the net momentum is the northward momentum (momentum A).
Step 3: Use the Pythagorean theorem to find the magnitude of the net momentum
The magnitude of the net momentum (C) can be found by using the Pythagorean theorem: \(C^2 = A^2 + B^2.\)

Take the square root of both sides to find the magnitude of the net momentum: \(C = sqrt(A^2 + B^2).\)
Step 4: Use trigonometry to find the direction of the net momentum
To find the direction of the net momentum, we need to calculate the angle between the net momentum and the north direction, measured clockwise.

We can use the tangent function in trigonometry for this purpose: tan(θ) = B/A,

where θ is the angle between the net momentum and the north direction.
Step 5: Calculate the angle in degrees
To find the angle in degrees, take the inverse tangent (arctan) of the ratio B/A: θ = arctan(B/A).

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When a compound dissolves in water to become an electrolyte, it must dissociate or break apart into ions.

These ions are then able to carry an electrical charge and conduct electricity in the aqueous solution. The greater the degree of dissociation, the stronger the electrolyte will be.

For example, when sodium chloride (NaCl) dissolves in water, it dissociates into sodium ions (Na+) and chloride ions (Cl-). These ions are then able to conduct electricity in the solution.

In contrast, a compound that does not dissociate into ions when dissolved in water is considered a nonelectrolyte and will not conduct electricity.

In summary, for a compound to be considered an electrolyte, it must dissociate into ions when dissolved in water, allowing it to conduct electricity in the aqueous solution.

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Answer:

18

Explanation:

12 - 5 + 8 = 15

12 - 8 = 4

7 - 4 = 3

15 + 3 = 18

Answer:

Dumbell flys - Pectoral

One Arm Rows - Latissimus Dorsi (Lat)

Pushdowns - Triceps

Machine Back Press - Shoulders

Explanation:

Answer: s(5) = -200,  v(5) = -90

              s(10) = -900, v(10) = -190

Explanation:

Position: s(t)

Velocity:  s'(t) = v(t)                ⇒      \(s(t)=\int {v(t)} \, dt\)

Acceleration     v'(t) = a(t)      ⇒      \(v(t)=\int {a(t)} \, dt\)

We are given that acceleration a(t) = -20   and velocity v(t) = 10

\(v(t)=\int {a(t)} \, dt\\\\v(t)=\int{-20}\, dt\\\\v(t)=-20t + C \\\\v(t)=10\quad \longrightarrow \quad C=10\\\\v(t)=-20t+10\)

\(s(t)=\int {v(t)} \, dt\\\\s(t)=\int {(-20t+10)} \, dt\\\\s(t)=-10t^2+10t\\\\\)

(a) Input t = 5 into the s(t) and v(t) equations

   s(5) = -10(5)² + 10(5)           v(5) = -20(5) + 10

          =  -250  +  50                     = -100   +  10

          =       -200                          =        -90

(b) Input t = 10 into the s(t) and v(t) equations

     s(10) = -10(10)² + 10(10)           v(10) = -20(10) + 10

            =  -1000  +  100                     = -200   +  10

            =       -900                          =        -190

This study reveals that only if the flow conditions in the holding tube are provided for comparison with commercial HTST systems can continuous laboratory and pilot-scale pasteurizers be utilized to evaluate the inactivation of microorganisms.

In order to make sure that laboratory or pilot-scale HTST apparatus meets the Pasteurized Milk Ordinance standards for pasteurizing milk and can be used for obtaining thermal inactivation data, we present a method in this study for calculating the fastest moving particle (FMP) and residence time distribution (RTD) in a pilot-scale high temperature, short time (HTST) pasteurizer.

The plate used in the pasteurizer had overall measurements of 75 x 115 mm, a thickness of 0.5 mm, and an effective diameter of 3.0 mm. The pasteurizer had standard hold tubes measuring 21.5 and 52.2 seconds, and its variable flow capacity ranged from 0 to 20 L/h.

FMP durations were established using tracer investigations, and flow parameters were established using RTD data. In comparison to the nominal timings of 21.5 and 52.2 s, respectively, the FMP times for the short and long holding sections using brine milk as the tracer were 18.6 and 36 s, respectively, at 72 degrees C.

According to the RTD investigation, the short hold section for whole milk at 72 degrees C had 45% back mixed and 55% plug flow.

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For Max Weber, power was a continuum based on legitimacy, running from force to  Authority. The correct option is d.

Weber believed that authority is the key component that differentiates power based on legitimacy, where it is socially accepted and voluntarily obeyed.

According to Weber, the legitimacy of power was a key factor in determining its effectiveness. Legitimate power was power that was recognized and accepted by those who were being governed or controlled. It was based on the belief that the person or institution exercising power had the right to do so, either because of their position or their personal qualities.

The continuum begins with force, which is the imposition of power without the consent of the people, and extends to authority, which represents a more stable and legitimate form of power. In this sense, authority can be classified into three types: traditional, charismatic, and legal-rational. These types of authority help to maintain social order and promote cooperation among individuals within a society. The correct option is d.

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Complete question:

FILL THE BLANK. for max weber, power was a continuum based on legitimacy, running from force to _________.

a. No force  

b. Peace

c. Violence

d. Authority