An airplane flies with a constant speed of 1624 miles per hour. How far can it travel in 30 minutes?

Answer:

force=12000

Explanation:

F=m*a aka force equals mass times acceleration so 800*15=12000

Answer:

12000 N

Explanation:

The equation for Force is:

\(Force=mass*acceleration\)

We can plug in the given values into the equation:

\(Force=800kg*15m/s^2\\Force=12000N\)

Answer:

Explanation:

The mass of the object can be found by using the formula

\(m = \frac{f}{a} \\ \)

f is the force

a is the acceleration

From the question we have

\(m = \frac{6}{3} \\ \)

We have the final answer as

Hope this helps you

The displacement of the runner after four seconds is 78.4 m.

We know that in this case, we are dealing with a case of an object that has a motion under gravity. We are told that the road runner an fell straight down off a cliff. The fact that we have been told that the runner just fell down the cliff means that the initial velocity of the runner would have to be taken in this context as zero since the runner was dropped from a height as shown.

Acceleration of the runner (g) = 9.8 m/s^2

Initial velocity of the runner (u) = 0 m/s

Time take (t) = 4 seconds

We then have;

h = ut + 1/2gt^2

If we then know that the initial velocity of the person is zero, then we have;

h = 1/2gt^2

h = 0.5 * 9.8 * (4)^2

h = 78.4 m

The height is 78.4 m.

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Answer:

Trabajo = Δ E

Explanation:

Podemos escribir esta declaración como una ecuación que hace que sea muy fácil ver la relación: Trabajo = Δ E, donde E es energía, y la letra griega Delta significa ‘cambio en’. Entonces leemos esto como: trabajo = cambio de energía. Esto nos ayuda a comprender por qué no se realiza ningún trabajo en una pared que no se mueve.

The work- energy theorem states that the work done by the sum of  forces acting on an object is  equal to  the change in the kinetic energy of the object.

According to work -energy theorem, the force resulting in a work done which is equal to the change in kinetic energy of the object. When a force applied on a body results in a displacement of the body, it is said to be work done on the body.

Kinetic energy of an object is the energy generated by virtue of its motion. It related to the mass and velocity as written below:

Ke  = 1/2 mv²

Let, Vi be the initial velocity and Vf be the final velocity, then the change in kinetic energy is written as:

ΔKe =  1/2 mVf² -  1/2 mVi²

According to wok energy theorem, the work done is equal to the this kinetic energy change.

Hence, W = ΔKe.

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Answer:

720W

Explanation:

PLEASE MARK ME AS BRAINLIEST AND HAVE A NICE DAY

When electrons move through a conductor two things are produced, one is heat, the other is Magnetic Field. Option E is the correct answer.

The movement of electrons, known as electric current, generates heat due to the resistance encountered in the conductor. As electrons pass through the conductor, they collide with atoms or molecules, causing them to vibrate and release energy in the form of heat. This is why conductors can get warm or even hot when current flows through them. Option E is the correct answer.

In addition to heat, the movement of electrons also produces a magnetic field. This is known as electromagnetic induction. According to Ampere's law, a current-carrying conductor creates a magnetic field around it. The strength and direction of this magnetic field depend on the amount of current flowing through the conductor. This phenomenon is the basis for the operation of electromagnets and various electrical devices, such as motors and generators.

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Answer:

\(the \: horizontal \: component \: of \: the \: acceleration : \\ a_{x} = 7.21\: {m(s)}^{ - 2} \\ the \: vertical \: component \: of \: the \: acceleration : \\ a_{y} = 2.07 \: {m(s)}^{ - 2} \)

Explanation:

\(the \: horizontal \: component \: of \: the \: acceleration : \\ a_{x} = a \: \cos( \alpha ) \\ a_{x} = 7.5 \: \cos(16) \\ a_{x} = 7.2094627195 \: {m(s)}^{ - 2} \\ \\ the \: vertical \: component \: of \: the \: acceleration : \\ a_{y} = a \: \sin( \alpha )\\a_{y} = 7.5 \: \sin(16) \\ a_{y} = 2.0672801686 \: {m(s)}^{ - 2} \\ \)

Answer:

horizontal component: \(7.2\ m/s^2\)

vertical component: \(2.1\ m/s^2\)

Explanation:

Rectangular components of a vector

Given a vector as a (magnitude, angle) pair, the rectangular components can be calculated as:

\(a_x= magnitude*cos(angle)\)

\(a_y=magnitude*sin(angle)\)

The acceleration of the airplane is given with a magnitude of 7.5 m/s^2 and an angle of 16°.

Calculate the components:

\(a_x=7.5*cos(16^\circ)=7.2\ m/s^2\)

\(a_y=7.5*sin(16^\circ)=2.1\ m/s^2\)

horizontal component: \(7.2\ m/s^2\)

vertical component: \(2.1\ m/s^2\)

C. Acceleration due to gravity Force = (Gravity force Constant × Concentration of first item × Mass of the object) / (Proximity seen between middle of two bodies) 2.

The universal gas law of Newton According to Isaac Newton, the gravitational pull in between two surfaces is inversely correlated with the square of their spacing and is directly related to their respective masses (m1 and m2). It goes like this: Fg=Gm1m2r2.

The strength that is applied to one thing to other is known as applied force, such as when you push on a furnishings item to move along the floor. When an item is fully stretched, tension is really the force applied, whereas forces acting is the pressure exerted by a pressed spring.

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Answer:

Explanation:

A turbine and generator produce the electricity

"A hydraulic turbine converts the energy of flowing water into mechanical energy. A hydroelectric generator converts this mechanical energy into electricity.

1. The purpose of the investigation was to study the relationship between the Sun, Earth, and Moon.

2. The bright part of the moon appears bright due to the reflection of sunlight.

Introduction: The purpose of the investigation was to study the relationship between the Sun, Earth, and Moon. By creating models of the three celestial bodies, we aimed to understand how their movements and positions influence the phases of the moon and eclipses.The bright part of the moon appears bright due to the reflection of sunlight. As sunlight hits the moon's surface, it bounces back and reflects into space. This reflected light is what we see as the bright part of the moon.

Experimental Methods: To create our model, we used a lamp to represent the Sun, a ball to represent the Earth, and a smaller ball to represent the Moon. We also used a ruler, tape, and a protractor to measure distances and angles.We created our model by placing the lamp at one end of a table, the Earth in the middle, and the Moon at the other end. We attached the Moon to a string and moved it around the Earth to simulate the Moon's orbit around the Earth.

Develop a Model: Our model consists of a lamp, a ball, and a smaller ball on a string. The lamp represents the Sun, the ball represents the Earth, and the smaller ball on the string represents the Moon. As the Moon moves around the Earth, it goes through phases, from a new moon to a full moon and back again.We used diagrams and pictures to label the components of our model and describe causal accounts for the phases of the moon and eclipses.

Use a Model: When the Moon is full, it is in a direct line with the Earth and the Sun. Using our model, we can predict that the Moon would be directly opposite the Sun in the sky during a full moon. A lunar eclipse does not occur every month when there is a full moon because the Moon's orbit around the Earth is tilted at an angle of about 5 degrees to the Earth's orbit around the Sun. Therefore, the Moon is not always in a direct line with the Earth and the Sun during a full moon, which is necessary for a lunar eclipse to occur.

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Hi there!

Recall Newton's Law of Universal Gravitation:

\(\large\boxed{F_g = G\frac{m_1m_2}{r^2}}\)

Where:

Fg = Force of gravity (N)

G = Gravitational Constant

m1, m2 = masses of objects (kg)

r = distance between objects (m)

Plug in the given values stated in the problem:

\(F_g = (6.673*10^{-11})\frac{50 * 50}{25^2} = \boxed{2.669 * 10^{-10} N}\)

The difference between these wavelengths is 15.85 nm.

What is wavelengths?

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.

The number of lines on the grating N= 900 cm

Distance between screen grating L= 2.24 m

Order number = 1

Distance y = 3.20 mm

We need to calculate the width of the slit

Using formula of width

\(d=\frac{1}{N}$$\)

Put the value into the formula

\($$\begin{aligned}d & =\frac{1}{900} \\d & =0.00111=1.11 \times 10^{-5} \mathrm{~m}\end{aligned}$$\)

We need to calculate the angular distance

\($$\theta=\frac{\lambda}{d}$$\)

The angular separation for different wavelength is

\($$\Delta \theta=\frac{\lambda_1-\lambda_2}{d}$$\)

We know that,

Linear separation is

\($$\Delta y=\Delta \theta L$$\)

We nee to calculate the difference between these wavelengths Put the value into the formula of angular separation

\(\begin{aligned}& \Delta y=L\left(\frac{\lambda_1-\lambda_2}{d}\right) \\& \lambda_1-\lambda_2=\frac{\Delta y \times d}{L} \\& \lambda_1-\lambda_2=\frac{3.20 \times 10^{-3} \times 1.11 \times 10^{-5}}{2.24} \\& \lambda_1-\lambda_2=1.585 \times 10^{-8} \\& \lambda_1-\lambda_2=15.85 \mathrm{~nm}\end{aligned}\)

Hence, The difference between these wavelengths is 15.85 nm.

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Answer:

kinetic energy = 1/2 X m(v)^2

= 1/2 X 88 X 12

= 528 j

Your question has been heard loud and clear.

Kinetic energy formula= 1/2mv^2

Mass = 88kg (convert to grams because velocity is in m/s)

Mass in grams = 88000g or 88*10^3 g

Velocity= 12m/s

Now kinetic energy = 1/2 * 88000*12*12= 6336 joules

Kinetic energy = 6336 Joules or 6.336 Kilo joules

Thank you.

Answer:

A: 8535360 J

Explanation:

We are given;

mass; m = 13.6 kg

Initial temperature; T1 = -20° C

Final temperature; T2 = 130° C

Specific heat capacity; c = 4184 J/kg.°C

Specific latent heat of fusion; L = 334000 J/kg.

Since we are dealing with change in temperature, then we will use the heat energy formula for specific heat capacity.

Q = mcΔt

Thus;

Q = 13.6 × 4184 × (130 - (-20))

Q = 13.6 × 4184 × 150

Q = 8535360 J

The total mass of the wood along with the frog is 120π gm.

The mass of the frog is (160/3)π gm.

The volume of the wood that is immersed in water is given by the volume of a cylinder with a radius of 2 cm and a height of 10 cm, which is V1 = π(2cm)²(10cm) = 40π cm³. The mass of the water displaced by this volume of wood is m1 = V1ρ = 40π gm. The mass of the remaining part of the wood above water is m2 = ρV2 = ρ(π(2cm)²(10cm)) = 80π gm.

mTherefore, the total mass of the wood along with the frog is m1 + m2 = 120π gm.

b) After the frog goes into the water, the volume of the wood that is immersed decreases to V3 = (1/3)π(2cm)^2(20cm) = (80/3)π cm^3. The mass of the water displaced by this volume of wood is m3 = V3ρ = (80/3)π gm. Therefore, the mass of the frog is (m1 + m2) - m3 = (120π - (80/3)π) gm = (240/3)π - (80/3)π = (160/3)π gm.

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The slope of your velocity versus time graph is acceleration.

The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is acceleration.

The net acceleration that objects get as a result of the combined action of gravity and centrifugal force is known as the Earth's gravity, or g. It is a vector quantity whose strength or magnitude is determined by the norm and whose direction correlates with a plumb bob.

The slope of your velocity versus time graph is acceleration.

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The series circuit has components connected in a sequence, while the parallel circuit has components connected in different branches. If bulb B2 is replaced with a wire in the series circuit, bulb B1 will not light up, while in a parallel circuit, it will still light up.

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Answer:

Mass and distance

Explanation:

Answer:

Mass and distance

Explanation:

the larger the mass the faster it falls or more gravity is applied same goes for the distance the farther it is from the ground its heavier however if its to far gravity then does not apply

hope this helps :)

can have brainlist please

Answer:

amount of force times the distance it moves an object: work

kind of force used to operate engines: steam

English unit of measuring work equal to moving one pound one foot: foot-pound

metric measurement of work equal to moving one Newton one meter: Newton-meter

kind of force that pulls things toward the center of the earth: force of gravity

force used when walking: muscular force

force used to turn a windmill: force of wind

Explanation:

I found the answers in quizlet

Answer:

im in the same class so here's your answer

Explanation:

Answer:

Explanation:

We are expected to solve for the velocity with no slip condition

we know that the expression that relate coefficient of friction and velocity is given as

μs = v^2/rg

Given

coefficient of friction μs = 0.3

radius r= 0.15

assume g=9.81m/s^2

substituting into the expression we have

0.3= v^2/0.15*9.81

v^2=0.3*0.15*9.81

v^2=0.44145

v=√0.44145

v=0.66

therefore the velocity is 0.66m/s

Answer:

yea yes they can they lose their retina but they can dream

Answer:

Explanation:

Sure, I'd be happy to help you with the question!

Let's denote the input as x. According to the function machine, the input is multiplied by 6 and then 80 is subtracted from the result to obtain the output.

So, the function can be written as:

Output = (6 * x) - 80

Now, the problem states that the input is the same as the output. Therefore, we can set up the equation:

x = (6 * x) - 80

Let's solve this equation to find the value of x:

x = 6x - 80

Subtracting 6x from both sides, we get:

x - 6x = -80

Combining like terms, we have:

-5x = -80

Dividing both sides by -5, we find:

x = (-80) / (-5)

Simplifying the expression, we have:

x = 16

Therefore, the input (x) that results in the input being the same as the output is 16.

To work out these types of questions, it's important to carefully read the instructions and understand the operations being performed in the function machine. Then, you can set up an equation with the input and output, and solve for the unknown value. Always double-check your solution to ensure it satisfies the given conditions of the problem.

Answer:

16

Explanation:

(x*6) - 80 = x

Multiply the parentheses

6x - 80 = x
Add 80 to each side to get
6x = x + 80
Subtract x from both sides to get
5x = 80
Divide both sides by 5
x = 16

Time needed = t = 20.83 s

Given

car speed = 85 km/h

truck speed = 73 km/h

Required

the time it takes for the car to reach the truck

Solution

When the car reaches the truck, the distance between them will be the same

x car - 250 m = x truck

General formula for distance (d) :

d = v.t

So the equation becomes :

85t-250 = 73t

12t=250

t = 20.83 s

The equation that shows work being calculated using the correct units is as follows: 113J = (17.4 N) x (6.51 m) {option B}.

Work done is a measure of energy expended in moving an object. It is most commonly calculated by multiplying force by distance. No work is done if the object does not move.

Work done is measured in Joules, which is equivalent to Newtons/metres (N/m).

Joules is the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre.

Newton is the unit of measurement for force while metres is the unit of measurement for distance, hence, to calculate a work done of 113 Joules, 17.4 Newtons of force over a distance of 6.51 metres is needed.

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Answer:

It's 113 j = (17.4N) x (6.51)

Explanation:

Your welcome

Answer:

Explanation:

Angle:

β = - 23°

( From the symmetry condition)

Answer:

R = 19.36  ohms

Explanation:

Given that,

The power of an electric motor, P = 2500 Watts

The voltage of the circuit, V = 220 V

We need to find the resistance of the motor. We can find it as follows :

\(P=\dfrac{V^2}{R}\\\\R=\dfrac{V^2}{P}\\\\R=\dfrac{(220)^2}{2500}\\R=19.36\ \Omega\)

So, the resistance of the motor is 19.36  ohms.

The circuit's current moves from the positive to the negative electrode as a battery discharges. This demonstrates that the current and electric field are related.

While the battery is being used to power something, or during discharge, one electrode, known as the cathode, which is connected to the battery's positive end, is where the electrical current exits (or electrons enter).

The positive terminal of the battery is avoided in favor of the negative terminal by the current in the external circuit. Indeed, electrons would go in the reverse direction across the cables.

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Answer:

C, D, and E

Explanation:

Answer:it’s C, D, E

Explanation: