A weather balloon has a mass of 7.15 kg. The balloon is accelerating upward at 1.50 m/s2.
a) Draw and label the Free Body Diagram. Include all of the forces acting on the balloon.


b) Calculate the weight (Fg) of the balloon.


c) Calculate the net force (Fn) acting on the balloon.


d) Calculate the buoyancy force of the balloon.

The final equilibrium temperature (in °C) of the system when ice and water vapor are combined can be calculated using the principle of energy conservation and the specific heat capacities of ice and water.

To determine the final temperature, we can apply the equation:

(m₁ * c₁ * ΔT₁) + (m₂ * c₂ * ΔT₂) = 0

Where:

- m₁ is the mass of ice (22.0 kg)

- c₁ is the specific heat capacity of ice (2.09 J/g·°C)

- ΔT₁ is the change in temperature of ice (final temperature - 0.00 °C)

- m₂ is the mass of water vapor (4.80 kg)

- c₂ is the specific heat capacity of water (4.18 J/g·°C)

- ΔT₂ is the change in temperature of water (final temperature - 100.0 °C)

Solving for the final temperature, we find:

(22.0 kg * 2.09 J/g·°C * ΔT₁) + (4.80 kg * 4.18 J/g·°C * ΔT₂) = 0

Substituting the given values, we can solve for ΔT₁ and ΔT₂. Once we have those values, we can find the final temperature by adding ΔT₁ to 0.00 °C.

Learn more about temperature here:

https://brainly.com/question/7510619

#SPJ11

Answer:

sandstone and mudstone

Explanation:

The acceleration of the proton by using Coulomb's law is 2.806 m/s²

The acceleration of a proton can be defined by using coulombs force and centripetal acceleration. The value of coulomb force is

Fc = k.q1.q2 / d²

where Fc is coulomb force, k is Coulomb's constant, q is charge and d is distance.

Centrifugal force will also same as coulomb force, which can be determined as

F = m.a

where F is centrifugal force, m is mass and a is acceleration.

From the question above, we know that:

q1 = q2 = e = 1.602176634×10‾¹⁹ C

k = 8.988×10⁹ N⋅m²⋅C‾²

m = 1.673 x 10‾²⁴ kg

d = 7 x 10‾³ m

By combining these equations, we get

F = Fc

m.a = k.q1.q2 / d²

a = k.e² / m.d²

Substitute the parameter

a = 8.988×10⁹ . (1.6×10‾¹⁹)² / ( 1.673 x 10‾²⁴ . ( 7 x 10‾³ )² )

a = 2.806 m/s²

Hence, the acceleration of the proton by using Coulomb's law is 2.806 m/s²

Find more on Coulomb's law at: https://brainly.com/question/66110

#SPJ4

Due to the fixed ends, a wave that is propagating up the string in one direction will reflect at the end and return inverted. The standing wave on the string is created by these two similar waves moving in the opposite direction.

When two waves with the same frequency and amplitude move in opposition to one another and interfere with one another, a standing wave result.

The string's basic frequency is the lowest resonance frequency (n=1). As integer multiples of the fundamental frequency, all higher frequencies are referred to as harmonics. The strings on all stringed musical instruments are fastened at both ends.

The n frequency is related to the fundamental frequency by the eq.

\(f_{n}=nf_{1}\)

or

\(f_{1}=\frac{f_{n}}{n} \: \: \: \: \: \:\: \: \: \: \: \: \: \: (1)\)

besides, we know that,

\(f_{n+1}=(n+1)f_{1}\)

or

\(f_{1}=\frac{f_{n+1}}{n+1} \: \: \: \: \:\: \: \: \: \: \: (2)\)

matching eq. (1) to (2),

\(\frac{f_{n}}{n}=\frac{f_{n+1}}{n+1}\)

\(f_{n}(n+1)=f_{n+1}n\)

isolating n from this eq.,

\(n = \frac{f_n}{f_n+1- f_n} = \frac{15}{20- 15}\)

Once got the n value, just insert in eq. (1) so you can know the fundamental frequency,

\(f_1= \frac{f_n}{n} = \frac{15Hz}{3} = 5Hz\)

Therefore, 5Hz is the fundamental frequency.

Learn more about standing waves here:

https://brainly.com/question/14176146

#SPJ4

The difference in the two path lengths, l2 - l1, is equal to (5/2) times the wavelength of the sound.

To find the path length difference, we need to consider the interference pattern created by the two speakers. Since point P is at the third sound intensity minimum (dark fringe) from the central sound intensity maximum, we know that it corresponds to the third destructive interference.

For dark fringes in interference patterns, the path difference between the two waves is given by:

l2 - l1 = (m + 1/2) * λ

where m is the order of the fringe and λ is the wavelength of the sound.

In this case, since P is at the third dark fringe, m = 2.

Therefore, the path difference is:

l2 - l1 = (2 + 1/2) * λ = (5/2) * λ.

To learn more about wavelength follow the link:

https://brainly.com/question/7143261

#SPJ4

Answer:

2. Repulsion

Explanation:

number two is the answer

Answer:

Repulsion is the surest test which confirms that the given piece of the object is a magnet.

........

Answer: Hubble's discovery in the 1920's of a relationship between a galaxy's distance from Earth and its speed; and the discovery in the 1960's of cosmic microwave background radiation.

Explanation:

When the mirror is moved so that the tree is between the focus point F and the mirror, the image appears shorter and on the same side of the mirror.This happens because of the phenomenon known as Reflection of Light. The mirror reflects light in such a way that it appears as if the light is coming from behind the mirror.

For such more question on Concave

https://brainly.com/question/30225075

#SPJ8

Explanation:

The vertical velocity changes because gravity is what brings the ball downwards, since gravity is what cause acclereation in free fall, acclereatiin will make the velocity become more negative.

There is no force happening on the ball in the horinzontal direction so according to Newton 1st law, the ball will remain in constant velocity n the horinzotnal direction.

Concrete operational thought involves applying logical and systematic reasoning to concrete problems.

Concrete operational thought refers to a stage of cognitive development in which children, typically between the ages of 7 and 11, gain the ability to think logically and systematically about concrete problems.

They can mentally manipulate and transform objects, understand conservation of quantity, grasp concepts of reversibility and cause-and-effect relationships, and apply logical reasoning to solve problems.

This stage represents a significant leap from the previous preoperational stage, where children were more influenced by their perceptions and struggled with conservation tasks. Concrete operational thought allows children to engage in more sophisticated problem-solving, using logic and mental operations to understand and navigate the world around them.

To know more concrete operation:

https://brainly.com/question/31725109

#SPJ4

In the context of Piaget's stages of cognitive development, concrete operational thought involves applying logical thinking and reflective equilibrium to concrete, real-world problems.

Concrete operational thought, a term derived from Piaget's stages of cognitive development, involves applying logical thinking and reflective equilibrium to concrete problems. Reflective equilibrium is a coherence method that justifies beliefs by assessing their logical consistency. In principle, it refers to the process where theoretical stances are revised based on practical judgments. This process is particularly significant in concrete operational thought, as children start to understand and apply logical principles to the actual, concrete world around them, whether in the realm of numbers, physical properties, or practical problem-solving.

For example, a child at this stage might understand that if you pour the contents of a short, wide cup into a tall, thin cup, the amount of liquid remains the same, despite the differing appearances. This is a demonstration of conservation, a key cognitive skill acquired during the concrete operational stage. Thus, the application of logic and equilibrium in such concrete scenarios forms the heart of concrete operational thought.

https://brainly.com/question/33457937

#SPJ11

The result of multiplying a particle's mass by its velocity is the fluctuation in momentum of a ball, which is 30 kg per second. Since momentum has both a magnitude and a direction, it is a vector quantity.

Almost every action that involves motion has momentum. It is an important tenet of physicsFor instance, if a team is moving forward and trying to stop, it will be difficult.

mv - mu, where u = 0 and v = 10 m/s, equals change in momentum.  Note that the ball moved from rest, therefore its initial velocity was zero (u = 0).

Momentum change is equal to mv mu, which is 3*10 - 3*0, or 30.

30 kg/s = change in momentum.

Momentum can be compared to the "power" a moving body has, or the amount of force it can exert on another body. For instance, a baseball that is thrown quickly (high velocity) and has a small bulk (big mass) can have the exact same momentum as a bowling ball that is travelling very slowly (low velocity).

To know more about momentum visit:

https://brainly.com/question/30677308

#SPJ1

Answer:

from 0 to 20 m/s

a = ( v- u)/t

a = (20 - 0)/7

a = 20/7 =2.9m/s^2

from 30m/s to 0m/s

a = (0-30)/10

a = -30/10

a= -3 m/s^2

Henry Mintzberg is credited with identifying the five elements of management.

Henry Mintzberg, a renowned Canadian management theorist and academic, is credited with identifying the five elements of management. In his book, "The Nature of Managerial Work," Mintzberg analyzed the work of managers and identified the five elements of management as: interpersonal, informational, decisional, and verbal and written communication.

The interpersonal element refers to the relationships between managers and other people, such as employees, customers, and suppliers. The informational element involves collecting, processing, and analyzing data to make informed decisions.

The decisional element refers to the role of managers in making decisions and solving problems. The verbal and written communication element includes the exchange of information and ideas through speaking, writing, and other forms of communication.

These five elements of management are considered key to understanding the work of managers and are widely used as a framework for analyzing and evaluating managerial work and activities.

However, it's important to note that the specific responsibilities and activities of managers can vary widely based on the size and type of organization, the industry, and the level of management.

To know more about   management theorist click on the link below:

https://brainly.com/question/11983044#

#SPJ11

Answer:

the type of tomato plants used.

Explanation:

Answer:

20cm

It is one of the characteristics of a plane mirror that, the distance of the plane mirror from the object is equal to its distance from the image. Therefore, given distance between object and mirror = 10cm. Distance between mirror and image = 10cm. Thus, the distance between object and image = 10 + 10 = 20cm.

Explanation: :0

The amplitude and wavelength are measured in meters while frequency is measured in decibels.

Therefore, the amplitude and wavelength are measured in meters while frequency is measured in decibels.

Learn more about decibels:

https://brainly.com/question/1851849

Answer:

meter
hertz
meters
meters/seconds
decibals

Explanation:

Answer:

A

Explanation:

Mass does not change no matter what!!! In this instence it is all still there. hope it helps

In the reaction, K + AgCl → KCl + Ag, the masses are constant before and after the reaction. Hence, this illustrates the Law of Conservation of Mass. So, option (C) is correct.

The given problem is based on the chemical analysis for the law of conservation of mass. As per the law of conservation of mass, "In a chemical reaction, the mass of reactant can neither be created, nor be destroyed. But it can change its phase".

In the chemical reaction,

K + AgCl → KCl + Ag

Clearly in the potassium and silver chloride, the mass of reactant (potassium and silver chloride) remains same (or constant) while forming a product (potassium chloride and Silver). Which is not observed in other given chemical reactions.

Thus, we can conclude that in the reaction, K + AgCl → KCl + Ag, the masses are constant before and after the reaction. Hence, this illustrates the Law of Conservation of Mass. So, option (C) is correct.

Learn more about the Law of Conservation of Mass here:

https://brainly.com/question/14233500

The eccentricity of an orbit when both focal points are located at the sun is zero.

What is an orbit?

An orbit is the trajectory, or path, of an object that revolves around another object, the center of mass or a gravitational point. All planets orbit the sun, and the moon orbits the earth, for example, An elliptical orbit is the shape of many planetary orbits.

As a result, the eccentricity of the orbit is significant.

What is Eccentricity?

The degree of circularity of an orbit is referred to as its eccentricity. When the distance between the two foci is divided by the length of the major axis, eccentricity is calculated.

A perfectly circular orbit has an eccentricity of zero.

An ellipse with an eccentricity of 1 is a parabolic orbit. When eccentricity is greater than one, the orbit is hyperbolic.

The eccentricity of an orbit when both focal points are located at the sun:

Since there is only one focus, and the center of the sun is located there, the eccentricity of such an orbit is zero. Because there is only one focus, the distance between the two foci is also zero.

As a result, a planet's orbit with a sun-centered focus is always circular.

For similar question on eccentricity

https://brainly.com/question/29484069

#SPJ11

Answer: C

Explanation:

Convective heat transfer, or convection, is the transfer of heat from one place to another by the movement of fluids, a process that is essentially the transfer of heat via mass transfer.

c. A current is induced in the coiled wire, which lights the light bulb.

If we kept the bar magnet stationary and moved the coil back and forth within the magnetic field an electric current would be induced in the coil.

Then by either moving the wire or changing the magnetic field we can induce a voltage and current within the coil and this process is known as Electromagnetic Induction and is the basic principle of operation of transformers, motors and generators.

When the magnet shown below is moved “towards” the coil, the pointer or needle of the Galvanometer, which is basically a very sensitive center zeroed moving-coil ammeter, will deflect away from its center position in one direction only.

When the magnet stops moving and is held stationary with regards to the coil the needle of the galvanometer returns back to zero as there is no physical movement of the magnetic field.

Therefore ,

If you move a bar magnet back and forth along the axis of the coiled wire shown below then a current is induced in the coiled wire, which lights the light bulb.

Learn more about electromagnetic induction here:

https://brainly.com/question/26334813

#SPJ1

Answer: decreases

Explanation: As frequency increases the period of a wave decreases because they have an inverse relationship. The equation for wave period (T) is the inverse of the frequency (f). So, as frequency increases, the value for period will decrease accordingly.

X 105 J/kg. 360,000 J heat is needed to heat 1. 0 kg of mercury metal from 10. 00 C to its boiling point and vaporize it completely . Option D is correct answer.

The heat needed to heat and vaporize 1.0 kg of mercury can be calculated by considering two processes: heating the mercury from 10.00°C to its boiling point, and then vaporizing it completely at its boiling point.

First, we calculate the heat needed to raise the temperature of 1.0 kg of mercury from 10.00°C to its boiling point. The specific heat capacity of mercury is given as 140 J/kg K. The temperature change is (3570°C - 10.00°C) = 3560 K. Using the formula Q = mcΔT, where Q is the heat, m is the mass, c is the specific heat capacity, and ΔT is the temperature change, we can calculate the heat required for this process:

Q1 = (1.0 kg) * (140 J/kg K) * (3560 K) = 698,400 J ≈ 698,000 J

Next, we calculate the heat needed for vaporization. The heat of vaporization of mercury is given as 2.06 × 105 J/kg. The mass of the mercury being vaporized is 1.0 kg. Using the formula Q = mL, where Q is the heat, m is the mass, and L is the heat of vaporization, we can calculate the heat required for this process:

Q2 = (1.0 kg) * (2.06 × 105 J/kg) = 206,000 J

Finally, we add the heat from both processes to get the total heat needed:

Total heat = Q1 + Q2 = 698,000 J + 206,000 J = 360,000 J ≈ 360,000 J

Therefore, the heat needed to heat and vaporize 1.0 kg of mercury from 10.00°C to its boiling point and vaporize it completely is approximately 360,000 J.

Learn more about temperature  here

https://brainly.com/question/29679925

#SPJ11

The vector v with a magnitude of 6 and the same direction as u = [1, 1] is v = [6, 6].

The given vector u = [1, 1] has a magnitude of √(1² + 1²) = √2. To find a vector v with a magnitude of 6 and the same direction as u, we need to scale up the vector u by a factor of 6/√2.

The unit vector in the same direction as u is u/|u| = [1/√2, 1/√2]. To obtain v, we multiply this unit vector by the desired magnitude of 6, resulting in v = 6 × [1/√2, 1/√2] = [6/√2, 6/√2] = [3√2, 3√2]. Therefore, the vector v with a magnitude of 6 and the same direction as u is v = [3√2, 3√2], which can be simplified as v = [6, 6].

To learn more about vector refer:

https://brainly.com/question/27854247

#SPJ11

The vector v with a magnitude of 6 and the same direction as u = [1, 1] is v = [6, 6].

The given vector u = [1, 1] has a magnitude of √(1² + 1²) = √2. To find a vector v with a magnitude of 6 and the same direction as u, we need to scale up the vector u by a factor of 6/√2.

The unit vector in the same direction as u is u/|u| = [1/√2, 1/√2]. To obtain v, we multiply this unit vector by the desired magnitude of 6, resulting in v = 6 × [1/√2, 1/√2] = [6/√2, 6/√2] = [3√2, 3√2]. Therefore, the vector v with a magnitude of 6 and the same direction as u is v = [3√2, 3√2], which can be simplified as v = [6, 6].

To learn more about vector

brainly.com/question/27854247

#SPJ11

Answer:

a. 86.80 m

b. i. The mass of the bob

ii. The length of the pendulum

Explanation:

a. Determine the height of the smokestack.

Using T = 2π√(L/g) where T = period of pendulum = 18.7 s, L = length of pendulum = height of smokestack and g = acceleration due to gravity = 9.8 m/s².

So, making L subject of the formula, we have

T = 2π√(L/g)

T/2π = √(L/g)

squaring both sides, we have

(T/2π)² = L/g

L = (T/2π)²g

Substituting the values of the variables into the equation, we have

L = (T/2π)²g

L = (18.7 s/2π)²(9.8 m/s²)

L = (2.976 s)²(9.8 m/s²)

L = 8.857 s² × 9.8 m/s²

L = 86.796 m

L ≅ 86.80 m

b. What factors influence the period of a simple pendulum

The factors that influence the period of a simple pendulum are

i. The mass of the bob

ii. The length of the pendulum

Answer:

Acceleration and velocity Newton's second law says that when a constant force acts on a massive body, it causes it to accelerate, i.e., to change its velocity, at a constant rate. In the simplest case, a force applied to an object at rest causes it to accelerate in the direction of the force.

The flow rate will be unaffected when the amount of coffee grounds in an Aeropress  is doubled and the same pressure applied.

What is Henry Darcy's law?

Generally, Henry Darcy's law states that the flow rate of particles or substances between two defined points are directly proportional to the pressure difference that exists between them

Giving the equation

Q =kdP

In conclusion, if you double the amount of coffee grounds in an Aeropress and apply the same pressure,The flow rate will be unaffected.

For more information on Pressure

https://brainly.com/question/25688500

Answer:

Speed

Explanation:

The distance traveled by an object in a unit of time is speed

The angular speed of the wheels is approximately 235.62 radians per minute, and the wheels make approximately 192.09 revolutions per minute.

To find the angular speed of the wheels in radians per minute, we first need to convert the linear speed from miles per hour to inches per minute. Since there are 5280 feet in a mile and 12 inches in a foot, we have:

15 miles/hour × 5280 feet/mile × 12 inches/foot × 1/60 hour/minute = 15840 inches/minute.

The linear speed of the wheels is the same as the distance traveled by a point on the circumference of the wheel in a given time. The formula for linear speed is given by:

v = rω,

where v is the linear speed, r is the radius of the wheel, and ω is the angular speed.

Given that the wheel has a diameter of 30 inches, the radius is half of the diameter, which is 15 inches. Plugging in the values, we can solve for ω:

15840 inches/minute = 15 inches × ω,

ω ≈ 1056 radians/minute.

Therefore, the angular speed of the wheels is approximately 1056 radians per minute.

To find the number of revolutions per minute, we divide the angular speed by 2π, as there are 2π radians in one revolution:

1056 radians/minute ÷ (2π radians/revolution) ≈ 168 revolutions/minute.

Rounding to two decimal places, the wheels make approximately 168 revolutions per minute.

To know more about angular speed refer here:

https://brainly.com/question/31489025#

#SPJ11

The fact that v is just the average of the starting and final velocities when acceleration is equal is reflected in the equation v=v0+v2.

acceleration is the rate of change in both speed and the direction of velocity over time. When anything moves faster or slower in a straight line, it is said to have been accelerated. Because the orientation is always shifting, motion on a circle accelerates even while the speed is constant.

According to the formula a = v/t, kinetic energy (a) is the product of the shift in velocity (v) and the time shift (t).

To know more about acceleration visit:

https://brainly.com/question/12550364

#SPJ1