The diagram shows a tennis ball being thrown vertically into the air. When the ball just left the players hand it is at the speed of 5.0 m/s . The tenis ball has the mass of 0.058 kg. Write down the equation that links kinetic energy to mass and speed

Answer:

D

Explanation:

I can help you but I can't understand this language please explain it.

With Newton's second law and kinematics we find the deflection of the electron beam is y = 1.44 cm

given parameters

to find

the  electric field and the electric potential are related

         V = -E d

         E = - V / d

where E is the electric field, V the electric potential and d the separation between the plates

         E = - 300 / 0.03

         E = -1 10⁴ N / C

Let's solve this exercise in parts

1st part. Let's set a reference system with the horizontal axis in direction to the length of the plates and the y axis in the vertical direction, the zero is located at the initial point of the plate and half of its separation.

Let's use Newton's second law to find the acceleration in the y-axis of the electrons

           F = m a

electric force is

           F = q E

           q E = m a

           a = q / m E

the face of electrons is negative q = -e

            a = - e / m E

            a = - 1.8 10¹¹ (- 1 10⁴)

            a = 1.8 10¹⁵ m /s²

this acceleration is directed upwards, that is, the electrons approach the positive plate.

2nd part. We use kinematics to find the time it takes for electrons to pass the plates; on the x-axis there is no acceleration, so we use the uniform motion relationships

             v = x / t

             t = x / v

             t = 0.04 / 1 10⁷

             t = 4 10⁻⁹ s

For the y-axis, let it be known that the electrons are initially in the middle between the plates, so y₀ = 0 and the velocity eg this axis is zero, we look for the deflection at the end of the plate

          y = y₀ + v_{oy) t + ½ a t²

           y = 0 + 0 + ½ a t²

           y = ½ (1.8 10¹⁵)  ( 4 10⁻⁸ )²

           y = 14.4 10⁻³ m = 1.44 10⁻² m

          y = 1.44 cm

We can use Newton's second law and kinematics to find the distance that the electron beam deviates from the middle of the plate is y = 1.44 cm, therefore the beam of electrons leaving the plates

learn more about Newton's second law and kinematics here: brainly.com/question/13016721

Answer:

The vertical deflection of the beam of an electron beam is 1.44×〖10〗^(-2)  m.

Explanation:

Velocity (v) = 〖10〗^7  m/s

p.d. (V) = 300 V

Length of metal plates (x) = 4cm = 0.04 m

Separation (d) = 3 cm = 0.03 m

Specific charge of an electron (e/m) = 1.8×〖10〗^11  C/kg

Vertical deflection (y) = ?

The vertical deflection of electron inside the electric field is

y=1/2  at^2

=1/2  eE/m  (x/v)^2

=1/2 (e/m)  V/d  (x/v)^2

=1/2×1.8×〖10〗^11×300/0.03×(0.04/〖10〗^7 )^2

⸫ y=1.44×〖10〗^(-2)  m

Hence, the vertical deflection of the beam of an electron beam is 1.44×〖10〗^(-2)  m.

The question addresses the stability of the atmosphere and the factors that determine convective stability or instability. It also explains the difference between the adiabatic lapse rate of dry air and wet saturated air.

a) The stability of the atmosphere is determined by the temperature profile and relative densities of the air cell and atmosphere. If the temperature of the surrounding atmosphere decreases with altitude at a rate greater than the adiabatic lapse rate of the air cell, the atmosphere is considered convectively stable.

In this case, the air cell will return to its original position. Conversely, if the temperature of the surrounding atmosphere decreases slower than the adiabatic lapse rate of the air cell, the atmosphere is convectively unstable. The air cell will continue moving in the same direction.

b) The adiabatic lapse rate refers to the rate at which temperature decreases with altitude for a parcel of air lifted or descending adiabatically (without exchanging heat with its surroundings). The adiabatic lapse rate of dry air is higher (around \(9.8^0C\) per kilometer) compared to the adiabatic lapse rate of wet saturated air (around 5°C per kilometer).

This difference arises because when water vapor condenses during the ascent of saturated air, latent heat is released, reducing the rate of temperature decrease. A diagram can illustrate the difference between the two lapse rates, showcasing their respective slopes.

c) When wet unsaturated air rises from the ocean surface, its temperature decreases at a rate equal to the dry adiabatic lapse rate. However, if the ambient lapse rate (temperature decrease with altitude) is higher than the adiabatic lapse rate for dry air, a temperature inversion layer forms at higher altitudes.

In this inversion layer, the temperature increases with altitude instead of decreasing. A schematic diagram can depict the temperature changes of the wet air in comparison to the ambient temperature, showing the inversion layer.

Cumulus clouds form at the altitude where the rising moist air reaches the level of the temperature inversion layer. These clouds are formed due to the condensation of water vapor as the air parcel cools to its dew point temperature.

Learn more about adiabatic lapse rates here:

https://brainly.com/question/30023377

#SPJ11

Answer:

False

Explanation:

Answer:

12 ml

Explanation:

The thing to remember about a substance's density is that it tells you the mass of every unit of volume of said substance.

Answer:

kites where invented 2000 AD

so its A. 2000 AD

srry if it's wrong

Answer:

I guess no. A

Explanation:

approximately 2,800 years ago.

Your Answer :- The magnetic field strength at the center of the larger loop is B/2, which corresponds to answer choice D.

The magnetic field strength (B) at the center of a current-carrying circular loop can be calculated using the formula:

B = μ₀ * I / (2 * π * R)

Where:
- μ₀ is the permeability of free space (4π × 10^(-7) Tm/A),
- I is the current,
- R is the radius of the loop.

Given that both loops are made from the same wire and carry the same current, the magnetic field strength at the center of the smaller loop is B. The radius of the larger loop is twice that of the smaller loop (2R).

To find the magnetic field strength at the center of the larger loop, we can use the same formula:

B_larger_loop = μ₀ * I / (2 * π * (2R))

Simplify the equation:

B_larger_loop = (μ₀ * I) / (4 * π * R)

Since B = μ₀ * I / (2 * π * R), we can rewrite the equation as:

B_larger_loop = (1/2) * B

So, the magnetic field strength at the center of the larger loop is B/2, which corresponds to answer choice D.

learn more about "magnetic field strength":-https://brainly.com/question/26257705

#SPJ11

Answer:

b????

Explanation:

hope its right

The development of the current atomic theory has changed over time as a result of different proposed models and experiments as per the chronological order of the development of the atomic models, the correct answer is option B

There are some models that are used to explain the arrangements of subatomic particles inside the atom based on the atomic theory of atom are known as the atomic models.

As given in the problem statement The development of the current atomic theory has changed over time as a result of different proposed models and experiments. The chronological order of the atomic model is given as follows

John Dalton's atomic model

The Plum Pudding Model, developed by J.J. Thomson,

Using the alpha particle bombardment experiment on a thin sheet of gold, Rutherford's model

Niels Bohr's model explained the revolving nature of the electrons in the different shells around the nucleus of the atom.

Erwin Schrodinger's model explains the arrangement of the subatomic particles as the electron Cloud Model

Thus, the correct answer is option B.

Learn more about the atomic models here,

brainly.com/question/9145431

#SPJ2

The average angular velocity of the oxygen molecule is 1.28 x 10^12 radians/sec.

The total kinetic energy of the oxygen molecule can be expressed as the sum of its translational and rotational kinetic energies:

KE_total = KE_translational + KE_rotational

Given that the rotational kinetic energy is two-thirds of the translational kinetic energy, we can write:

KE_rotational = (2/3)KE_translational

We also know that the total kinetic energy is related to the mean speed by the formula:

KE_total = (1/2)mv²

where m is the mass of the molecule and v is its mean speed.

Substituting the expressions for KE_rotational and KE_total into this equation, we get:

(5/6)KE_translational = (1/2)mv²

Solving for the translational kinetic energy, we obtain:

KE_translational = (3/5)mv²

The moment of inertia of the oxygen molecule can be related to its angular velocity by the formula:

KE_rotational = (1/2)Iω²

where I is the moment of inertia and ω is the angular velocity.

Substituting the expressions for KE_rotational and I, and solving for ω, we get:

ω = √((2/3)KE_translational / I)

Substituting the expressions for KE_translational, I, m, and v, we obtain:

ω = √((2/9)mv² / I)

Finally, substituting the given values, we get:

ω = 1.28 x 10¹² radians/sec.

To know more about the Angular velocity, here

https://brainly.com/question/13770698

#SPJ4

Frequency is the number of cycles per unit time and is calculated using the formula:

Frequency = Number of cycles / Time taken

In this case, the number of cycles is 18 and the time taken is 36 seconds.

Frequency = 18 / 36 = 0.5 Hz

Period is the time taken for one complete cycle and is calculated using the formula:

Period = Time taken / Number of cycles

In this case, the time taken is 36 seconds and the number of cycles is 18.

Period = 36 / 18 = 2 seconds

Therefore, the frequency of the waves is 0.5 Hz and the period of the waves is 2 seconds.


The frequency of the waves is 0.5 Hz and the period of the waves is 2 seconds.


Joe swings a rope and it cycles 18 times in 36 seconds. By calculating the frequency and period of the waves, we can determine that the frequency of the waves is 0.5 Hz and the period of the waves is 2 seconds.

To know more about cycles visit

https://brainly.com/question/30288963

#SPJ11

The focal length of the mirror will be 0.33 m

Focus is defined as the point through which the reflected light rays pass (or appear to pass) when incident light rays are parallel to the principal axis. It is located at the midpoint of pole and center of curvature. The distance between the pole and the focus of the mirror is called the focal length of the mirror.

F =2R or focal length of a mirror is half of its radius of curvature.

The radius of curvature of convex or concave mirror is equal to two times of the focal length of convex or concave mirror. The radius of curvature is the radius of sphere formed by the convex or concave mirror. It is also equal to the distance between the pole and center of curvature.

F = 1/R

R = 3 m (given )

F = 1 / 3 = 0.33 m

To learn more about focal length here

https://brainly.com/question/16188698

#SPJ4

The momentum is the product of mass and velocity of an object. The momentum of object A is greater than object B.

The momentum is the product of mass and velocity of an object. Momentum is a vector quantity, possessing a magnitude as well as a direction. If 'm' is an object's mass and 'v' is the velocity, then the object's momentum p is:

p = mv

Momentum of Car A, p = mv

m = 1200 kg,

v = (80 × 1000)/ (60 × 60) = 22.22 m/s

p = mv

p = 1200 × 22.22 = 26664 kg.m/s

Momentum of Car B, p = mv

m = 2400 kg,

v = (20 × 1000)/ (60 × 60) = 5.55 m/s

p = mv

p = 2400 × 5.55 = 13333.33 kg.m/s

Therefore, the momentum of Car A is greater than car B.

Learn more about Momentum here:

https://brainly.com/question/30487676

#SPJ9

The collisions that are considered inelastic are the ball of clay dropped onto the floor (clay sticks to the floor) and the bullet colliding with a block of wood (bullet embedded in the wood).

The collision of a golf club hitting a golf ball and the rubber ball dropped onto the floor are not specified as inelastic in the given options.An inelastic collision is one in which kinetic energy is not conserved, meaning that the total kinetic energy of the system before the collision is different from the total kinetic energy after the collision. In the case of the ball of clay dropped onto the floor, the clay sticks to the floor, resulting in a loss of kinetic energy and deformation of the clay, indicating an inelastic collision.

Similarly, when a bullet collides with a block of wood and gets embedded, there is a loss of kinetic energy and deformation, indicating an inelastic collision. On the other hand, the golf club hitting a golf ball and the rubber ball dropped onto the floor do not provide sufficient information to determine if the collisions are specifically inelastic.

Ton learn more about Collisions : brainly.com/question/13138178

#SPJ11

Answer:

Inverse relationships are common in nature. In electrostatics, the electrical force between two charged objects is inversely related to the distance of separation between the two objects. Increasing the separation distance between objects decreases the force of attraction or repulsion between the objects.

Explanation:

Two ways to decrease the electric force between two charged objects:

As a result of their electric charge, particles or objects are attracted to or repelled by the Coulomb force, also known as electrostatic force or Coulomb interaction. Charles-Augustin de Coulomb, a French scientist who published the findings of an experimental inquiry into the proper quantitative description of this force in 1785, gave the electric force its name. The electric force is one of the fundamental physical forces.

Positive or negative electric charges that are similar to one another repel one another in a straight line between their centers. Positive and negative charges that are opposite each other are drawn together along a straight line connecting their centers.

Learn more about coulomb force here:

https://brainly.com/question/11141051

#SPJ5

The x and y component of the vector are -18.32 m and 3.23 m respectively.

The x and y component of the vector is calculated by applying the following formula.

Bx = B cosθ

By = B sinθ

where;

The vector is located in negative x direction but positive y direction.

The angle of the vector from x axis = 90⁰ - 80⁰ = 10⁰

Bx = B cosθ  =  -18.6 m x cos ( 10 ) = -18.32 m

By = B sinθ = 18.6 m x sin ( 10 ) = 3.23 m

Learn more about x and y components here: https://brainly.com/question/27996986

#SPJ1

To calculate the physiological AG (Gibbs free energy change) for the given reaction, we need to use the formula:

AG = AG° + RT * ln(Q)

where AG is the physiological Gibbs free energy change, AG° is the standard Gibbs free energy change, R is the gas constant (8.314 J/(mol·K)), T is the temperature in Kelvin, and Q is the reaction quotient.

For the reaction: Phosphocreatine + ADP → Creatine + ATP

We can write the reaction quotient Q as:

Q = ([Creatine] * [ATP]) / ([Phosphocreatine] * [ADP])

Substituting the given concentrations:

Q = (1.0 mM * 2.6 mM) / (4.7 mM * 0.20 mM)

Q = 13 / 0.94

Q ≈ 13.83

Now, we need the standard Gibbs free energy change AG° for this reaction. Unfortunately, the standard AG° values for this specific reaction are not provided, so it's not possible to calculate the physiological AG without that information.

As for the question of why AG° and AG are different, AG° represents the standard Gibbs free energy change under standard conditions (usually 25°C, 1 atm pressure, and 1 M concentration), assuming all reactants and products are at their standard state.

On the other hand, AG takes into account the actual concentrations of reactants and products under non-standard conditions, using the reaction quotient Q.

Regarding the second question about the tricks utilized by the system to allow each step of the reaction to proceed in the forward direction, it seems that the given information is incomplete.

The step numbers (A, B, C, D, E) and the corresponding AG values are provided, but the details of the individual steps and the tricks utilized are not mentioned. Without that information, it's not possible to determine the specific tricks used by the system for each step.

To learn more about physiological click here brainly.com/question/30063255

#SPJ11

Answer: Speed increases

Explanation:

A streamlined shape reduces the surface area making contact with the fluid (in this case, water).  Less surface area making contact with the fluid means friction is reduced.  The lower the force of friction, the lower the "drag" on the object in motion, hence the faster it can go.  The force of friction is always in the opposite direction of the motion of the object.

Answer:

when there is uniform velocity the acceleration of a body is zero

Answer:

D

Explanation: Given that a student leaves their history classroom and walks 20 meters north to a drinking fountain. Then the student turns and walks 50 meters south to their art classroom.

The distance is a scalar quantity.

The distance = 50 + 20

distance = 70 metres

Therefore, the magnitude of the total distance traveled by the student is 70 metres. Which is option D

Answer:

Potential Energy = mgh = 1

m= 1

g= 9.8

mgh = 1 x 9.8 x h = 1

height = 1/9.8

height = 0.102 m

To determine the temperature increase of each car, we can use the principle of conservation of energy. The total kinetic energy of the cars before the collision is converted into thermal energy (heat) after the collision.

The formula to calculate the temperature increase is:
ΔT = (ΔE) / (m * c)
Where:
ΔT is the temperature increase,
ΔE is the change in thermal energy (equal to the initial kinetic energy of the cars),
m is the mass of each car, and
c is the specific heat capacity of iron.
Since the specific heat capacity of iron is approximately 450 J/(kg·°C), and the mass of each car is not given in the question, we cannot determine the specific temperature increase without that information. Therefore, the answer cannot be expressed with the appropriate units without knowing the mass of the cars.

To know more about , kinetic energy, click here https://brainly.com/question/999862

#SPJ11

Answer:

(a) the distance to the particle is 7.83 m

(b) the magnitude of the charge is 3.13 x 10⁻⁶ C

Explanation:

Given;

magnitude of the electric field, E = 460 V/m

magnitude of the electric potential, V = 3.6 kV = 3,600 V

(a) the distance to the particle is calculated as;

Er = V

r = V/E

r = 3,600/460

r = 7.83 m

(b) the magnitude of the charge is calculated as;

\(E =\frac{kQ}{r^2} \\\\Q = \frac{Er^2}{k} \\\\Q = \frac{460 \times (7.83)^2}{9\times 10^9} \\\\Q = 3.13 \times 10^{-6} \ C\)

The oscillation frequency of the ideal harmonic oscillator is approximately 3.216 Hz.

To find the oscillation frequency of the ideal harmonic oscillator, we can use the formula:

E = (1/2) × k × A²

Where:

E = Total mechanical energy

k = Spring constant

A = Amplitude

First, we need to determine the spring constant (k). Rearranging the formula, we have:

k = 2 × E / A²

Plugging in the given values, we get:

k = 2 × 4.0 J / (0.281 m)²

k = 2 × 4.0 J / (0.281² m²)

k = 2 × 4.0 J / 0.078961 m²

k ≈ 102.394 N/m

Now, we can find the oscillation frequency using the formula:

f = 1 / (2π) × √(k / m)

Where:

f = Frequency

π ≈ 3.14159

m = Mass

Given that the mass (m) is 0.25 kg, we can substitute the values:

f = 1 / (2π) × √(102.394 N/m / 0.25 kg)

f = 1 / (2π) × √(409.576 N/kg)

f ≈ 1 / (2π) × 20.236 Hz

f ≈ 3.216 Hz

Learn more about the oscillation frequency at

https://brainly.com/question/13112321

#SPJ4

The current through wet hands when in contact with a 120 V electrical circuit would be 120 milliamps (mA).

Voltage (V) = 120 V

Resistance (R) = 1,000 ohms

According to Ohm's law, the voltage across two places is precisely proportional to the current flowing through a conductor between them. According to Ohm's Law, we can compute the electrical current in a circuit by dividing the voltage by the resistance. If the resistance is reduced, the current will alter.

Calculating the current by using Ohm's law -

I = V / R

Substituting the values:

I = 120 / 1,000

= 0.12 A

Converting 0.12 A to milliamps by multiplying by 1,000 -

= 0.12 x 1,000

= 120

Read more about current on:

https://brainly.com/question/30435424

#SPJ4

Blue lights and some green lights will induce a voltage in green led(acting as a solar cell)

LED working as a solar cell is a photodiode. For photodiodes to produce electric current they need to absorb photons. But they work only when they absorb photons of wavelength equivalent to or less than the specified LED and the wavelength of light it emits.

For LEDs to work as solar cells they must absorb photons of a specific wavelength and these absorbed photons initiate the formation of electron-hole pairs. LEDs have to be reverse-biased to work as solar cells.

Know which is correct about LEDs

brainly.com/question/10546488

#SPJ4

Therefore, the velocity of the ball just before it hits the ground is approximately 22.1 m/s. Therefore, the closest value to this option is 21.0 m/s.

When a ball of mass 0.25 kg falls from a height of 50 m, we can calculate its velocity using the principle of conservation of energy. According to this principle, the sum of the potential and kinetic energy of an object remains constant.

Therefore, we can equate the potential energy at the initial height to the kinetic energy at the final velocity.Let's calculate the potential energy of the ball at the initial height

:Eg = mghEg = 0.25 kg × 9.81 m/s² × 50 m

Eg = 122.625 J

This is the energy that the ball has due to its position. As it falls, this energy is transformed into kinetic energy. At the moment the ball reaches the ground, all the potential energy has been transformed into kinetic energy

.Ek = 1/2mv²Ek = Egv² = 2Ek/mv = √(2Ek/m)

Let's plug in the values we obtained:Eg = 122.625 Jm = 0.25 kgv = √(2Ek/m)

We obtain:v = √(2 × 122.625 J / 0.25 kg)v = √(245.25 J/kg)v = 22.116 m/s

For such more question on kinetic energy

https://brainly.com/question/8101588

#SPJ8

Answer: I never said anything to them but if i did it would be "I need a break from you, i love you but sometimes I have to find the path on my own." i would say this if i wasn't scared to hurt them.

Explanation:

In a dynamic random access memory (DRAM) computer chip, each memory cell chiefly consists of a capacitor for charge storage.

Each of these cells represents a single binary-bit value of 1 when its 35-ff capacitor (1ff=10−15f) is charged at 1.5 V or 0 when uncharged at 0 V. When it is fully charged, there are approximately 105 electrons on a cell capacitor's negative plate.

Given,Capacitance of memory cell,

C = 35 fF = 35 × 10⁻¹⁵ F

Charge on negative plate,

q = CV …..(1)Voltage, V = 1.5 V

Substituting the value of V in equation (1),

q = (35 × 10⁻¹⁵) × (1.5)q = 52.5 × 10⁻¹⁵ C

Charge is given by,

q = ne

Where,n = Number of electronsand,

e = Electronic charge = 1.6 × 10⁻¹⁹ C

Therefore,Number of electrons,

n = q / e = (52.5 × 10⁻¹⁵) / (1.6 × 10⁻¹⁹)≈ 10⁵ (approx)

Hence, there are approximately 105 electrons on a cell capacitor's negative plate when it is fully charged.

To learn more about dynamic random access memory

https://brainly.com/question/28303339

#SPJ11

The ring accelerates in the direction of the net unbalanced force. Thus option C is the correct answer.

According to Newton's second law of motion, the net force acting on an object is equal to the mass of the object multiplied by its acceleration. If the forces exerted by the two students in the tug-of-war are unbalanced, there will be a net force acting on the steel ring.

The direction of this net force will be in the direction of the stronger force. As a result, the ring will accelerate in the direction of the net unbalanced force. This means that the ring will begin to move, and its velocity will change as long as the net force is applied.

Since the steel ring is accelerating, it can no longer be at rest, and it will not move at a constant velocity. The ring will move in the direction of the stronger force until the forces exerted by the students are balanced again.

To learn more about Force,

https://brainly.com/question/28012687

#SPJ4