What is the main feature of an interdisciplinary science?

Answer:

See below

Explanation:

Using conservation of momentum:

Initial momentum = (77+32 kg)* 3.8  m/s = 414.2   kg m/s

Jumping off with zero speed relative to ground (I think this is what zero horizontal speed MEANS) means all of his momentum is given to the cart  ( think about jumping off of a skateboard)

  final momentum of the cart

      mv = 414.2

       v = 414.2/32 = 12.94 m/s    for a + 9.13 m/s change

The acceleration of the object is 4.48m/s².

From the graph we can see,

There are 5 dots placed over the line, it means that the object has moved for 5 seconds. The distance which the object has covered in 5 seconds is equal to about 56 meters.

As we know, the object is starting from rest, so the initial velocity is 0m/s.

Now, to find the acceleration a of the object, we can use the equations of motion.

So,

Using,

S = ut + 1/2at²

Where,

u is initial velocity,

S is the distance covered,

and t is the time period of motions of the object.

Putting all the values,

56 = 1/2a(5)²

(56 x 2)/25 = a

a = 4.48m/s²

Hence, the acceleration is 4.48m/s².

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Answer:

the answer is the options c

A student drops a ball and it falls downward. Types of energy are involved in this energy transformation are kinetic and gravity potential.

Energy is defined as the capacity of a physical system to perform work.

Types of energy are Kinetic energy and potential energy.

The energy an object has as a result of motion is known as kinetic energy. Applying force to an object will cause it to accelerate.

Potential energy is the energy that is stored in any object or system as a result of its position or component arrangement.

A student drops a ball and it falls downward then there is kinetic energy due to motion and potential energy due to height.

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When the distance between them is suddenly increased by a factor of 2. the new electrostatic force will be 2 N.

We need to know about electrostatic force to solve this problem. The electrostatic force is a force caused by two charges separated at a distance. It can be determined as

F = k . Q1 . Q2 / r²

where F is force, k is coulomb's constant (9 x 10⁹ Nm²/C²), Q is charge and r is radius.

From the question above, we know that

F1 = 8 N

r1 = r m

r2 = 2r1 = 2r

For this question, we can apply the ratio of initial and final force

F1 / F2 = k . Q . Q / r1² / k . Q . Q / r2²

F1 / F2 = r2² / r1²

F1 / F2 = (2r)² / r²

F1 / F2 = 4r² / r²

F1 / F2 = 4

F2 = 1/4 . 8

F2 = 2 N

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If your teacher tells you to do questions 28 through 41 in your math book for homework, 14 questions are required, and this can be found out through general mathematical concepts such as addition and subtraction.

The general mathematical concepts can be said as the basic concepts or formulas that are taught to everybody. these include the concepts such as Addition, Subtraction, Multiplication and Division.

These are the base formulated concepts basing upon which the whole lot of other generalized equations and formulas are set up.

As per the question, we see that your teacher tells you to do questions a total of 28 through 41 in your math book for homework. Thus, we are then asked to find out the total number of questions.

Since we need to solve a total of questions 28 through 41, this means we have to solve question number 28 and 41 as well.

We already know that 28-37 would be 10 questions and then further 38-41 would be about 4 questions.

So, the total questions required = 10 +4

Total questions = 14

Thus, you just need to solve 14 questions in total to complete the homework.

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Answer:

Explanation:

Given:

F = 77.5 N

g = 9.8 m/s²

__________

m- ?

m = F /g = 77.5 / 9.8 ≈ 7,9 kg

The radius of the planet is √2 times radius of earth or 1.414 times the radius of Earth.

According to Newton's law of universal gravitation, every object in the universe attracts each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

F = GmM/R²

where;

The acceleration due to gravity on surface of Earth is given as;

g = GM/R²

G = gR²/M

For a planet whose acceleration due to gravity is 4 times of Earth and mass is 8 times of earth, the radius of the planet is calculated as;

(4gR_p²)/(8M) = (gR²)/(M)

where;'

(4R_p²)/8 = R²

4R_p² = 8R²

R_p² = 8R²/4

R_p² = 2R²

R_p = √(2R²)

R_p = R√2

R_p = 1.414 (R)

Thus, the radius of the planet is root two times radius of earth or 1.414 times the radius of Earth.

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The answer is dy/dt is equal to -(20/7)(1/14)(0.6) = -0.12245 m/s.

The negative sign shows that the rate is falling as y gets shorter

.Woman Height/ Distance Light To Woman equals

Shadow Height/Distance Light To Wall.

explanation?

Think of a huge triangle with the origin as the spotlight, a base of 20, and the height of the shadow on the wall as y. Inside the larger triangle, a comparable triangle that is x meters from the spotlight and 2 meters

tall—the woman's height—can be seen.

Woman Height/ Distance Light To Woman equals

Shadow Height/Distance Light To Wall.

The shadow height is y. Let x be the distance from the woman to the light.

xy = 40 or y/20 = 2/x

Take both sides' derivative:

XDY + YDX = 0 based on the product rule.

Solve for the desired result, dy/dy:

dy/dt = -(y/x)dx/dt, where dx/dt = 0.6 m/s.

The woman is 20 - 6 meters from the light when she is 6 meters from the wall, which is 14 meters, or x.

Keep in mind that y/20 = 2/x = 2/14 --> y = 40/14 = 20/7 from the related triangles.

So, dy/dt is equal to -(20/7)(1/14)(0.6) = -0.12245 m/s.

The negative sign shows that the rate is falling as y gets shorter.

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Answer:

u got to provide all info in order to be answered

Explanation:

chlorophyll  is green because It absorbs wavelength in only the blue and red parts of the visible spectrum

The pigment chlorophyll is what gives green plants their green color. A portion of the visible light spectrum is absorbed by chlorophyll. Chlorophyll is a pigment that absorbs visible light in the red (long wavelength) and blue (short wavelength) portions of the spectrum. The plant appears green because it reflects rather than absorbs green light.

The chloroplasts of plants contain chlorophyll. Plants have chlorophylls a and b, though there are other forms as well. Only one side chain's makeup distinguishes these two forms of chlorophyll from one another.

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This measurement demonstrates the conductivity of a certain material. When compared to rubber, which has poor electrical conductivity and high electrical resistance, metal, for instance, has high electrical conductivity and low electrical resistivity.

Electrical resistivity's physical opposite is electrical conductivity. This measurement demonstrates how well a certain material can conduct an electric current.

Rubber has a poor electrical conductivity and a high electrical resistivity, whereas metal has a high electrical conductivity and a low electrical resistance.

We are aware of the following thanks to the values that have been provided:

J = 6.00 10 13 A / m 2 and E = 100 V / m

The following equation provides the current density in terms of the electric field:

J = σ E

Here, E is the electric field, J is the current density, and is the electrical conductivity.

σ = J / E

The known values are then substituted.

σ = ( 6.00 × 10 − 13 A / m 2 ) / ( 100 V / m )

σ = ( 6.00 × 10 − 15 / m ) / ( 100 V )

The corresponding unit for V / A is.

Condense the units.

σ = 6.00 × 10 − 15 Ω − 1 m − 1.

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Answer:

Explanation:

Given:

S = 230 km

t = 2.3 h

_________

V - ?

Speed:

V = S / t

V = 230 / 2.3 = 100 km/h

Users in motion, wireless connectivity, and a cloud-based resource are the elements in a mobile system.

Smartphones, tablets, 2-in-1 PCs, smart speakers, smart watches, and smart eyewear all use mobile operating systems. Because they were originally developed for desktop computers, which historically did not have or require specific mobile capability, the operating systems that are used on "mobile" machines, like ordinary laptops, are often not referred to as mobile operating systems.

The distinction between mobile and other forms has become more hazy recently as a result of current hardware becoming more compact and portable than earlier equipment. This distinction is being muddled by the introduction of tablet computers and lightweight laptops, two major advancements.

Mobile operating systems combine desktop operating system elements with additional functionality that is useful for handheld or mobile use. For telephony and data connectivity, these systems typically have a wireless integrated modem and SIM tray.

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Users in motion, wireless connectivity, and a cloud-based resource are the elements of a mobile system which is the operating system used to run mobile devices like smartphones, tablets, etc.

A mobile system is a computing system with mobile entities. These can be hardware or software. The system runs on a mobile operating system such as android and iOS which are the two major mobile operating systems among others. A mobile operating system (OS) allows smartphones, tablet PCs, and other devices to run applications and programs.

Because mobile systems help in the real-time execution of several applications these must use wireless forms of connectivity and a cloud-based resource and storage system. Also, the fact that users can be in motion should be kept in mind and hence these are important elements in a mobile system

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The frequency of light is 3.88 x 10^22Hz.

What is electromagnetic radiation?

The electromagnetic spectrum is the area where the electromagnetic radiation that we see as light, or visible light, is found. Visible light usually has wavelengths between 400 and 700 nanometers (nm) or frequencies between 750 and 420 terahertz, which are between the longer wavelengths of infrared and ultraviolet (with shorter wavelengths).

E = 1.55 x10^13 J/ mol

E = hv

v = 1.55 x 10^13/1mol  x 1mol/6.023 x )/6.626 x

velocity = 3.88x10^22 s-1

since 1 Hz = 1/ s = 1

velocity =3.88x 10^22 Hz

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The density of the gas remains constant and the flow of gas can be characterized by momentum and energy conservation if the speed of the object is substantially slower than the gas's speed of sound.

We must examine the impact of the gas's compressibility when the object's speed approaches that of sound. As the gas is compressed by the object, its local density changes.

Entropy is constant for compressible flows with little to no flow turning, and the flow process is reversible. The isentropic relations then provide the change in flow attributes. Constant entropy is the definition of entropy. However, the flow process becomes irreversible and the entropy rises when an object travels faster than the speed of sound and the flow area suddenly decreases. There are shock waves produced. Shock waves are incredibly small areas in a gas where the gas's properties change significantly.

The static pressure, temperature, and gas density all rise almost instantly across a shock wave. The total enthalpy and the total temperature remain constant because a shock wave doesn't produce any work and there isn't any heat addition.

The total pressure downstream of the shock is, however, always lower than the total pressure upstream of the shock since the flow is non-isentropic. A shock wave is associated with a drop of overall pressure. The slide displays the total pressure ratio. We cannot apply the standard (incompressible) form of Bernoulli's equation across the shock due to variations in total pressure. Over a shock wave, the flow's speed and Mach number both fall.

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His range would increase by 0.55m yards if he used the halteres. Therefore, using halteres results in a 0.55 m improvement in range.

A speed velocity of, 9.5, was heard. Before the hotter, I last four J. meters per second. finally at the peak of the puff. Okay. The long jumper went with the bank route. Okay. Helter is also present, so we do have the long jumper. A long jumper is currently in motion at the top. So let's talk about RE X. then assisted her. Moving to the rear roof, indeed. none m/s. Okay, in the frame of the ground.

Okay, So, we're curious to know if the long jumper had the conventional distance added. Okay, so in order to properly answer this topic, we must apply the conservation of momentum at the highest point in addition to the concepts from projectile motion.

Therefore, we have 9.5 I. Without the water, speed remains the same. Thus, we might conclude that this is the V. X. The U. I. is this. We can locate a moment of light, okay. Okay hence, multiplying by two and four. Yes, there were roughly 9.8, which is equivalent to your argument. It's 1/6. The range then became hotter without us having to do anything. Then, this is V. X. multiplied by T. I guess there are 25 aches. 0.816. Let's begin. 7.76. Because. Next, we'll locate a range and figure out how to use it.

Therefore, after a long leap, the time of flights for the for the speed duration of light 0.816 seconds remain. Okay. though 1/2 T. is large and in the. 9.5. He performs it again where T is the other half. So his range would increase by 0.55m.

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It will takes years of time  to obtain a complete picture of the entire sky of angular area  is about 41,250 square degrees.

Divide 41250 by 0.0036 , we will get 11458333 and 1/3 image. but to take image for all of the sky it will takes years of time.

An angular distance used to describe how big a sphere or circle seems from a certain point of view is known as the angular diameter, angular size, apparent diameter, or apparent size. It is known as the visual angle in the vision sciences and as the angular aperture in optics (of a lens).

The angular diameter may also be thought of as the angle that a camera or eye must spin around in order to view from one side of an apparent circle to the other. Humans are able to distinguish sizes of up to around 1 arcminute (about 0.017° or 0.0003 radians) with their unaided eyes.

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Entering 20 35 4 is not a valid value. This is the same as 27.6 at 50 frames per second multiplied by nine.16  Two plus one thus. Why I visited the buying power. 10 60 x 10 to the power is equal to the required speed of 20.5 mph.

He had utilized equal to allow the power of 0.16 to take over. U. Cuban is equivalent to two. What 4.16 is used for. First late invitation. U. Cuban is equivalent to one. wherefore in light of part.16.

As a result, Cubans find it difficult to offer you what you desire. Why 2 30? Power 300.16. Why? I continued to solve it up to a power of 0.16. Why do I purchase one at a power of 10.16 30?

The third major issue. Do not enter the value 20 35 4. This is equal to 27.6 at 50 frames per second nine to the power.16

Part B. As a result, two equals one. Why I went to the power to buy.4. The needed speed of 20.5 mph is equivalent to 10 60 x 10 to the power.4.

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The complete box as per methods of extrasolar planet detection

Diameter of the

Mass of the planet

This is further explained below.

Generally, The techniques for finding planets beyond the solar system

Microlensing caused by gravitational forces occurs when a star that contains a planet moves in front of another star. This causes the light to bend in a peculiar manner.

The transit method takes into account the varying luminosities of the stars. When a planet passes in front of a star, the star's apparent brightness decreases, which provides information about the planet's radius or diameter.

The radial velocity method analyzes the Doppler shift of a star to determine whether the star is moving closer or farther away from us.

Method of astronomy that is based on variations in the positions of stars in the sky.

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The shortest distance in which you can stop an automobile by locking the brakes when traveling at 31.3 m/s is 62.48m

Force of friction f=N=mg,

where m is the mass of the car.

Acceleration,

a=f/m=mg/m=g

=0.8 x9.8

=7.84m/s2

The distance travelled, S before coming to rest (v = 0)

S=(v2- u2)/2

=(0 - 31.3x31.3)/2x7.84

=62.48 m

The shortest distance in which you can stop an automobile by locking the brakes when traveling at 31.3 m/s is 62.48m

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A circuit is necessary for electricity to flow. The same materials can be used in multiple ways to create a complete circuit.

Diffraction is the interference or bending of waves via an aperture into the area that is geometrically in the shadow of the obstruction or aperture. Effectively, the wave's secondary source is the diffracting element or aperture. The term "diffraction" was created by Italian scientist Francesco Maria Grimaldi, who also made the first precise observations of the phenomena in 1660.

The Huygens-Fresnel principle, which views each point in a propagating wavefront as a collection of unique spherical wavelets, describes the diffraction phenomenon in classical physics. [3] As seen in the enclosed figure, the distinctive bending pattern is most obvious when a wave from a coherent source (like a laser) comes into contact with a slit or aperture that is roughly the same size as its wavelength.

A circuit is necessary for electricity to flow. The same materials can be used in multiple ways to create a complete circuit. Electric circuits of various types exhibit varying behavior (parallel and simple circuits) Light, heat, and music can all be produced with the use of electricity electrical conductors and insulators.

This results from the addition or interference of various wavefront points (or, alternatively, each wavelet) that follow pathways to the registering surface of varying lengths. Multiple, closely spaced apertures (like those in a diffraction grating) can produce a complicated pattern with different intensities.

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The density of the object mentioned in the question when mass and volume are given is 0.924 g[tex]/cm^{3}[/tex]

According to the problem we have the following data given,

The mass of object m= 85g

The volume of object V= 92[tex]cm^{3}[/tex]

To find the density of the object we use the formula [tex]density=\frac{mass}{volume}=\frac{m}{V}[/tex]

∴density ρ [tex]=\frac{m}{V}=\frac{85}{92}=0.924g/cm^{3}[/tex]

Thus the density of the object = 0.924 g/[tex]cm^{3}[/tex]

Your question was not complete but most probably the question was if an object of mass 85g and volume 92cm^3 is given, what is its density?

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Answer:

Delta !

Explanation:

41.67 m² is the area of a solar collector that could collect 150 mj of energy in 1 h.

Power received per unit surface is the definition of intensity.

[tex]I=P/A=1kW/m2(1)[/tex]

Power is simply defined as the rate at which energy changes over time.

[tex]P=\Delta E/\Delta t(2)[/tex]

ΔE = 150 MJ

Δt = 1 hour = 3600 sec.

[tex]P=150 MJ/3600 s=41.67 kW(3)[/tex]

Replacing (3) in (1), and solving for Area, we get:

Area = 41.67 m²

The measurement that indicates the size of a region on a plane or curved surface is called area. Surface area refers to the area of an open surface or the border of a three-dimensional object, whereas the area of a plane region or plane area refers to the area of a form or planar lamina.

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The coefficient of friction between the boy's shoes and the ice is 0.65.

The coefficient of static friction for ice is 0.65, so this means that 65% of the force needed to move an object from one place to another must be applied in order to get it moving across the ice at all—once it starts moving, however, there will be a lot less work required because we have already accounted for the initial force required to start moving it.

This means that if we want our boy running north at 5 meters per second across this large, flat lake with no wind or waves or anything else going on that might cause him trouble (or even help him), he'll need 10 meters per second or more just to get started.

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The ball swings around the pole while maintaining its angular momentum because its angular velocity rises with decreasing radius and mechanical energy falls.

Think about the board at the top of the circle and the speed the bull is traveling at. We converse, and the velocity is the same when the board is at the base of the circle. According to Newton's Second Lawyer Motion, we are aware of this. the overall force applied to an item that is equal to the acceleration of a mustang underneath the object.

Therefore, a minimum velocity is necessary. Keep the board rotating in a circle. If not, the ball will drop to the ground. Therefore, the ground national wait that is acting on the circular's top board.

Additionally, for the minimal velocity, the centripetal force pressing on the kid must be equal to the gravitational weight acting under effort. Additionally, centripetal force can be expressed as fc = M. The bull is at the top of the circle with the lowest velocity, so according to Newton's Second Law of Motion, M. G. must be equal to him.

From the beginning, we debated in a minimum square. Find the least velocity at the circle's top using that expression. Therefore, by rearranging, we can cancel em from both sides of the minimal square G. R., making it equal. taking the highway. The group of G. R. will have the lowest velocity.

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