Work out I1, I2, V1, R2, R3 (unkown values) Brianliest for correct answer!

Answer:

C.) vector C

Explanation:

From the graph provided:

Four vectors are present :

Vectors a, b, c and d.

The x-component of the vector is its magnitude along the x-axis.

Taking the coordinate of each vector:

Vector a = (1,4) : length of x- component = 1

Vector b = (1, 1) : length of x- component = 1

Vector c = (4, -4) : length of x- component = 4

Vector d = (-3, 4) : length of x- component = - 3

Therefore, vector c has an x-component length of 4

Answer:

When an unbalanced force acts on a body the side with the greater force's dircetion makes the object move along its direction

Also to find the net force acting on the bofldy you can subtract the two force acting on the body

In case of balanced force the net force will always be 0

Hello :)

Answer:

When an unbalanced force acts on an object, the side with the greater force's direction makes the object move along its direction. For example, when two cars collide on a head-on collision, both vehicles will move in the direction that the vehicle with the greater force is moving in.

Answer:

The velocity of the nickel just before it hits the ground is approximately 49.3 m/s

Explanation:

In order to calculate the velocity of the nickel just before it hits the ground, we recall the kinematic equation of motion, v² = u² + 2·g·h, where the variables of the equation are defined as follows;

v = The velocity of the nickel just before it hits the ground after it is pushed off the observation deck

u = The initial velocity of the nickel just before it is pushed off the observation deck = 0 m/s

g = The acceleration due to gravity = 9.8 m/s²

h = The height from which he nickel is pushed off the edge = 124 m

Substituting the given values and the constant, "g", we have;

v² = 0² + 2 × 9.8 × 124 = 2,430.4

v = √2,430.4

Using a graphing calculator, we have;

v = √2,430.4 = 14·√(62/5) ≈ 49.3

The velocity of the nickel just before it hits the ground = v ≈ 49.3 m/s.

Answer:

The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.

Explanation:

The massive star, which is peacefully converting hydrogen to helium in its core, will be located on the main sequence of the Hertzsprung-Russell (H-R) diagram.

The H-R diagram is a graphical representation of stars based on their luminosity (brightness) and surface temperature. It helps astronomers classify and understand different stages of stellar evolution.

The main sequence on the H-R diagram represents stars that are fusing hydrogen into helium in their cores, and it is where most stars, including our Sun, spend the majority of their lives.

When astronomers discover a massive star that is settling down and undergoing hydrogen fusion in its core, they will find it on the main sequence of the H-R diagram. The exact position on the main sequence will depend on the star's luminosity and surface temperature, which are determined by its mass and evolutionary stage.

Massive stars have higher luminosity and surface temperature compared to lower-mass stars. Therefore, the discovered massive star, in its stage of peacefully converting hydrogen to helium, will be located in the upper region of the main sequence, representing a high luminosity and a high surface temperature.

Learn more about astronomers here: https://brainly.com/question/14853303

#SPJ11

The resultant force on the car with mass 1200kg required to produce an acceleration of 0.8m/s squared is  960 N

A resultant force is the total amount of force that is created as a result of multiple forces acting on an object. It is calculated by adding up all of the individual forces acting on the object. The resultant force can be used to calculate the acceleration of the object, as it is equal to the mass of the object multiplied by its acceleration.

By understanding the resultant force, the direction and magnitude of the forces necessary to produce a desired effect could be determined. This is particularly useful in engineering and physics, where knowing the forces involved in a situation can help us understand the dynamics of a system.

The  mass of  a car =1200 kg and the acceleration of the object = 0.8 \(m/s^2\).

The equation for calculating of Resultant Rorce is \(Mass \times Acceleration\)

Resultant Force = \(1200 kg \times 0.8 m/s^2\)

Resultant Force = \(960 N\)

To know more about  Resultant Force, visit

https://brainly.com/question/25239010

#SPJ1

The Sirius star in the constellation Canis Major will set in the middle of March at a time approximately one hour earlier compared to the middle of February.

The time at which a star sets in the sky gradually shifts earlier each night due to the Earth's orbit around the Sun. This phenomenon is known as sidereal time. In the middle of February, at 2 am, Sirius would be setting. As we move towards the middle of March, the Earth's orbital motion causes the constellations to appear to shift slightly earlier each night. Consequently, Sirius would set at around 1 am in the middle of March, around one hour earlier than in February. It is important to note that the exact time may vary based on the observer's location and specific year, but the general trend remains the same.

Learn more about constellations here

brainly.com/question/27620166

#SPJ11

A blackbody spectrum of temperature 900 Kelvin has been simulated. The peak wavelength in nanometers of an object of that temperature is determined to be nanometers. The intensity of the blackbody radiation at a given temperature and wavelength can be determined using Planck's law.

Planck's law, which describes the intensity of blackbody radiation, is given byI(λ) = 2hc²λ⁻⁵[exp(hc/λkT) - 1]⁻¹Where c = speed of light, h = Planck's constant, k = Boltzmann constant, T = temperatureλ = wavelength of lightI (λ) = spectral radiant intensity expressed in watts per square metre per unit wavelength.

Simulating the blackbody spectrum for a temperature of 900 K:

Using the equation for peak wavelength λ_max = 2897/T nm, where T = 900 KTherefore,λ_max = 2897/900λ_max = 3.22 µm or 3220 nm.

The emissive intensity of the object (the amount of power emitted per unit area) is given asI = σT⁴, where σ is the Stefan-Boltzmann constant.

Therefore,I = σT⁴ = 5.67 × 10⁻⁸ × (900)⁴W/m²= ×10 W/m².

Hence, the emissive intensity of the object is ×10 W/m².

Learn more about blackbody radiation here ;

https://brainly.com/question/13235508

#SPJ11

A flying bird possesses both potential and kinetic energy. This is because potential energy is associated with its height or position in the gravitational field, while kinetic energy is linked to its motion.

Potential energy is the energy an object possesses due to its position or condition. In the case of a flying bird, it has potential energy associated with its height above the ground. As it gains altitude, the bird's potential energy increases because it is moving against the force of gravity. Additionally, the flying bird also possesses kinetic energy, which is the energy of motion. As the bird moves through the air, its wings flap and it accelerates, acquiring kinetic energy. The faster the bird flies, the greater its kinetic energy becomes.

The interplay between potential and kinetic energy is evident during the flight of a bird. When the bird climbs higher, it gains potential energy at the expense of kinetic energy as its speed decreases. Conversely, when the bird descends or accelerates, its potential energy decreases while its kinetic energy increases. In conclusion, a flying bird possesses both potential and kinetic energy. The potential energy arises from its position in the gravitational field, while the kinetic energy stems from its motion through the air.

Learn more about gravity here: https://brainly.com/question/29762388

#SPJ11

Answer:

The weak force governs the decay of a neutron into a proton (a process known as beta decay). The strong force binds quarks together into protons and neutrons (the residual strong force holds protons and neutrons together in the nucleus). Gravity governs the motion of an apple falling from a tree.

Explanation:

Answer:

Weak Nuclear force

Answer:

Monthly cost = 35.7

Explanation:

Given the following data;

Power = 7000 Watts

Time = 10 minutes

Number of days = 30 days

Conversion:

60 minutes = 1 hour

10 minutes = 10/60 = 0.17 hours

To find the monthly cost of electricity;

Energy = power * time

Energy consumption = 7000 * 0.17

Energy consumption = 1190 Watt-hour = 1.19 KWh (1 Kilowatts is equal to 1000 watts).

Next, to find cost of monthly energy consumption;

Cost = 1.19 * 30

Cost = 35.7

The correct answer is: a) The light bulb is brightest when the middle of the magnet is in the middle of the coil.

This phenomenon is known as Faraday's law of electromagnetic induction, which states that a changing magnetic field induces an electromotive force (EMF) in a nearby conductor. When the magnet is moved through the coil, the magnetic flux through the coil changes, which induces an EMF in the coil according to the law. The magnitude of the EMF is proportional to the rate of change of the magnetic flux.

When the magnet is in the middle of the coil, the magnetic flux through the coil is changing at its maximum rate. Therefore, the induced EMF and the current through the bulb are at their maximum, making the bulb the brightest. As the magnet moves away from the middle of the coil, the rate of change of the magnetic flux decreases, and so does the brightness of the bulb.

So, the correct answer is a) The light bulb is brightest when the middle of the magnet is in the middle of the coil.

Learn more about Faraday's law:

https://brainly.com/question/1640558

#SPJ11

The term plane represents a tile floor without any overlapping or gaps.

A plane is a surface formed by a straight line travelling at a fixed speed in relation to another fixed point. Thus the term "plane" is the most appropriate to describe a tile floor without any overlaps or gaps. A plane is referred to as a two-dimensional surface with three defined points that extend forever. Tessellation is the technique that results in no overlaps or gaps in a plane. Tile that overlaps does not create "crosses." reputed to be a little more structurally sound, similar to the way brick is built.

Learn more about planes here:

https://brainly.com/question/1962726

#SPJ4

Answer:

Buoyant force exerted water​ =  0.196 Newton

Explanation:

Given:

Mass of sphere ball = 5 kg

Volume = 2 x 10⁻⁵

Find:

Buoyant force exerted water​

Computation:

Buoyant force exerted water​ = Gravity due to acceleration x volume of object x density of given liquid

Buoyant force exerted water​ = 9.8 x 2 x 10⁻⁵ x 1000

Buoyant force exerted water​ =  0.196 Newton

a. speed b. direction c. Magnitude d. Direction

Answer:

C. 2 and 4

Explanation:

my teacher went over it and the answer was that

The sections of the track in which the sled would experience an unbalanced force are: C. Sections 2 and 4.

In Science, there are two (2) main types of force that acts on an object and these include:

An unbalanced force refers to a type of force that occurs when two (2) or more forces acting on an object are unequal in magnitude, and as such, it typically results in a change of motion.

In this scenario, the sections of the track in which the sled would experience an unbalanced force are sections 2 and 4 respectively.

Read more on unbalanced force here: brainly.com/question/931387

Answer:

I don't know the answer ask to others

If not

then probably

The primary effect of increasing the surface tension of the liquid is to increase the capillary force. Capillary forces arise due to the combined effects of adhesion and cohesion

When the surface tension of the liquid increases, the capillary rise will increase. It is because the increase in surface tension leads to an increase in the force that pulls the liquid upwards in a tube. is as follows;If you place a capillary tube in a beaker filled with water, the water surface inside the tube rises slightly higher than the level outside the tube.

This rise in water level is called capillary rise. The capillary rise is caused by the attraction between the molecules of the water and the molecules of the glass tube.This attraction is called capillary force or capillary action. The capillary force is due to the combined effect of adhesive and cohesive forces. The adhesive force is the attraction between the molecules of the liquid and the molecules of the solid surface, while the cohesive force is the attraction between the molecules of the liquid.

To know more about Capillary forces visit:-

https://brainly.com/question/31712223

#SPJ11

The numerical value of the probability given by equation T4.8 is unchanged if we add a constant value E to the energy of each energy state available to the small system.

We can start by rewriting the equation as:

\(Pr'(E) = Z^{-1} * e^{(-(E + E')/kT)\)

where Pr'(E) is the probability of the small system being in a state with energy E + E', Z is the partition function, k is Boltzmann's constant, T is the absolute temperature, and E' is the constant value added to the energy of each energy state.

To show that Pr'(E) is equal to Pr(E), we can substitute E + E' with E in the original equation T4.8:

\(Pr(E) = Z^{-1}* e^{(-E/kT)\)

Then, we can substitute E with E - E' in Pr'(E):

\(Pr'(E) = Z^{-1} * e^{(-(E - E' + E')/kT)Pr'(E) = Z^{-1} * e^{(-E/kT) * e^(-E'/kT)\)

Since \(e^{(E'/kT)\) is a constant factor that does not depend on E, we can write:

\(Pr'(E) = Pr(E) * e^{(E'/kT)\)

This means that the numerical value of the probability given by equation T4.8 is unchanged if we add a constant value E' to the energy of each energy state available to the small system, as long as we multiply the resulting probability by \(e^{(E'/kT)\).

In other words, adding a constant value to the energy of each energy state of the small system does not change the relative probabilities of the different states, but it does change their absolute energies.

The Boltzmann factor \(e^{(E/kT)\) gives the relative probability of each state, while the partition function Z ensures that the probabilities add up to 1.

To know more about probability, refer here:

https://brainly.com/question/31469353#

#SPJ11

During phase shift, the substance's molecules' average kinetic energy remains constant.

Simply put, molecules move more quickly as kinetic energy rises. Nevertheless, molecules change phases when potential energy rises. The molecule changes phases as a result of an increase in potential energy.

In a phase change, matter moves from one state to another either by gaining energy through heat and entering a more energetic state, or by losing energy through heat and entering a state with lower energy.

The energy supplied during phase change is only used to separate the molecules; none of it is used to boost the kinetic energy of the molecules. Therefore, since the molecules' kinetic energy is constant, its temperature won't increase.

To learn more about kinetic energy refer to:

https://brainly.com/question/26472013

#SPJ4

Answer:

it would melt with the hot weather

Explanation:

It melts and the water changes color

3 electrical equipments consider for this circuit diagram are,

1. Ammeter

2. Resistance

3. Resistance

The circuit diagram with 6 lamps and 3 electrical equipments and 1 power source with open circuit form is represented as,

Answer:

\(118\; \rm Hz\).

Explanation:

The frequency \(f\) of a wave is equal to the number of wave cycles that go through a point on its path in unit time (where "unit time" is typically equal to one second.)

The wave in this question travels at a speed of \(v= 295\; \rm m\cdot s^{-1}\). In other words, the wave would have traveled \(295\; \rm m\) in each second. Consider a point on the path of this wave. If a peak was initially at that point, in one second that peak would be

How many wave cycles can fit into that \(295\; \rm m\)? The wavelength of this wave\(\lambda = 2.50\; \rm m\) gives the length of one wave cycle. Therefore:

\(\displaystyle \frac{295\;\rm m}{2.50\; \rm m} = 118\).

That is: there are \(118\) wave cycles in \(295\; \rm m\) of this wave.

On the other hand, Because that \(295\; \rm m\) of this wave goes through that point in each second, that \(118\) wave cycles will go through that point in the same amount of time. Hence, the frequency of this wave would be

Because one wave cycle per second is equivalent to one Hertz, the frequency of this wave can be written as:

\(f = 118\; \rm s^{-1} = 118\; \rm Hz\).

The calculations above can be expressed with the formula:

\(\displaystyle f = \frac{v}{\lambda}\),

where

Answer:

118

Explanation:

Answer:

See below

Explanation:

At A they add together (they are both positive)= construct

At B they destruct  ( one is neg and one is pos)

c  destruct      d destruct     e  construct (both neg)

The horse has the highest momentum among the three animals.

Given the following data:

In Physics, Momentum can be defined as the multiplication (product) of the mass of a physical object and its velocity.

Basically, momentum is a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

\(Momentum = Mass\) × \(Velocity\)

In this scenario, the momentum of the elephant is zero (0) because the elephant is at rest, meaning it is not in motion.

Furthermore, both the cheetah and horse are having the same velocity of 80 km/h but the horse has a higher mass of 500 kilograms.

Hence, we can deduce that the horse has the highest momentum among the three animals.

Read more: https://brainly.com/question/23092552

According to Newton's third law of motion, the reaction force exerted by the air on the balloon is equal in magnitude but opposite in direction to the action force exerted by the balloon on the air.

Given that the magnitude of the action force (F_balloon) is -3 N, the magnitude of the reaction force (F_air) will also be 3 N. The negative sign indicates that the forces are in opposite directions, but when considering magnitudes, we ignore the negative sign.

Therefore, the magnitude of the reaction force of the air pushing on the balloon is 3 N.

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Metals have high ductility due to the fact that their atoms have a strong metallic bond between them which allows the metal to be drawn into wire without breaking.

The high ductility of metals is due to their strong metallic bond which is a type of chemical bond that exists between atoms of metallic elements and forms the metal lattice structure. Metallic bonds are formed by the sharing of electrons among many atoms, so they are not localized on any one atom. As a result, metallic bonds are non-polar and have a high electrical conductivity. The lattice structure of metals is unique, making them very strong and resistant to deformation. The strong metallic bonds hold the atoms together and allow them to be shaped into different forms.

This also explains why metals can be stretched into thin wires or flattened into sheets without breaking. The metallic bond in metals is also responsible for their malleability, which is the ability of a metal to be shaped by hammering or pressing. This is because the strong metallic bonds allow the metal to be deformed without breaking or cracking. The strength of metallic bonds varies depending on the type of metal. For example, copper has a stronger metallic bond than gold, which makes it more ductile and malleable.

To know more about Metals visit:

brainly.com/question/29404080

#SPJ11

Answer:

-2.4 m/s²

Explanation:

avg accel = Δv/Δt

v-i = 30 m/s

v-f = (30 m/s)(0.60) = 18 m/s

Δt = 5.0 sec

avg accel = (18 m/s - 30 m/s) / 5.0 s = (- 12 m/s) / 5 s = -2.4 m/s²

negative sign means it's slowing down

Answer:

51.54 m/s

Explanation:

Applying,

Law of conservation of momentum,

Total momentum before collision = Total momentum after collision

mu+m'u' = mv+m'v'.................... Equation 1

Where m = mass of the head of the golf club, m' = mass of the gulf ball, u = initial velocity of the head of the gulf club, u' = initial velocity of the gulf ball, v = final velocity of the head of a gulf club, v' = final velocity of the gulf ball

From the question,

Given: m = 151 g = 0.151 kg, u = 43.9 m/s, m' = 46 g = 0.046 kg, u' = 0 m/s (at rest), v = 28.2 m/s

Substitute these values into equation 1

0.151(43.9)+0.046(0) = 0.151(28.2)+0.046(v')

solve for v'

6.6289+0 = 4.2582+0.046v'

0.046v' = 6.6289-4.2582

0.046v' = 2.3707

v' = 2.3707/0.046

v' = 51.54 m/s

Answer:

Ra, 88

Ru, 44

Cr, 24

Explanation:

i

the remaining mass number is 224(228 - 4), and it's atomic number is 88(90 - 2). The element is Radium, Ra

ii

the remaining mass number is 98(98 - 0), and it's atomic number is 44(45 - 1). The element is Ruthenium, Ru

iii

The remaining mass number is 52(52 - 0), and it's atomic number is 24(23 - -1). The element is Chromium, Cr