I need help because I don’t understand that question

Answer:

Crust

Explanation:

Acceleration = (change in speed)/(time)

Change in speed = (60-15) = 45 km/hr

Time for the change = 30 sec

Acceleration = 1.5 km/hr-sec

The maximum amount of torque produced by magnetic force on a dipole that arises per unit value of the surrounding magnetic field in vacuum may

tau=mB.

where m is the magnetic moment, B is the external magnetic field, and Tau is the torque of the dipole.

The magnetic torque on the

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Answer:

The formation of reddish brown ferric oxide on iron by low temperature oxidation in the presence of water .

make me as brilliant answer

Answer:

no

Explanation:

but different animals can

Answer: No, our eyes only see visible light

Explanation:

The n*ked eye can only detect electromagnetic radiation in the wavelength between 400nm-700nm. This is just how our eyes work. On the E&M spectrum, this band of light which we can see is called "visible light" because its the only light we can visibly see. The others forms of radiation must be seen with the use of technology

Answer: The options are not given,

Here are the options.

A. channel

B. feedback

C. message

D. sender​

The correct option is C

MESSAGE.

Explanation:

It is message because it is written or verbal or recorded words or communication or ideas transmitted by the sender to the receiver.

It include three aspects, content, structure and style.

The content entails the information and communication, how the information is important, useful and can be read to comprehend.

The structure of a message entails the tone .

The style include how the sender compose and write the message.

Communication is an activity that involves encoding, and decoding, medium and feedback processes

The correct option for the idea transmitted from the sender to the receiver  is message

The reason why message is correct is as follows:

Question: The possible question options are;

Channel

Message

Feedback

Sender

Channel: A channel is a means of communicating a message. It does not always have the features of content, or style

Feedback: A feedback is the information pertaining to a reaction to a message. It does not have a specific structure or depend on style

Sender: A sender is the person from whom a message originates. A sender does not have a content

Message

A message is a unit of communication, that is sent by a sender, to reach an audience which is the receiver. A message may written, verbal or recorded, a message is meant for a recipient that cannot be reached directly

A message contains contains

Therefore;

Message is the idea being transmitted by the sender to the receiver. It includes three aspects-content, structure, and style

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Answer:

yes

Explanation:

A pendulum should be able to contain enough energy to constantly be moving

According to the following formula, the answer is 2,300 g or 2.3 kg:

Volume (m)/Mass (m) Equals Density (p) (V)

Here, the density is 1.15 g/mL, allowing the formula described above to result in a mass of 2.00 L:

p=m/V

1.15 g/mL is equal to x g/2.00 L or x g/2,000 mL.

2,000 mL of x g = 1.15 g of g/mL

2.3 kg or 2,300 g for x g.

Its active ingredient is glucose. This medication includes 50 g of glucose per 1000 ml (equivalent to 55 g glucose monohydrate). 50 mg of glucose is present in 1 ml (equivalent to 55 mg glucose monohydrate). A transparent, nearly colourless solution of glucose in water is what is used in glucose intravenous infusion (BP) at 5% weight-to-volume.

Patients who are dehydrated or who have low blood sugar levels get glucose intravenously. Other medications may be diluted with glucose intravenous infusion before being injected into the body. Other diseases and disorders not covered above may also be treated with it.

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In a loop traverse the sum of the interior angles should be equal to 12, if it has 8 stations.

Traverse Surveying is a popular surveying method.

Surveying is basically of two types:

The errors in the surveying can be found out by angles induced in transverse.

The sum of the measured internal angles should be equal to (2N-4), where N=number of sides of the traverse.

Number of stations = N = 8

Sum of the interior angles = (2N - 4)

Sum = (2*8 - 4)

Sum = 12

The sum of the interior angles should be equal to 12.

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Answer:

14.1m/s

Hope it helps

Have a great day

Answer: The nebular theory states that our solar system formed from the gravitational collapse of a giant interstellar gas cloud—the solar nebula. – (Nebula is the Latin word for cloud.) Kant and Laplace proposed the nebular hypothesis over two centuries ago.

Explanation:

Queremos crear un diagrama general para calcular el área de un triangulo.

Este será algo como:

Como naturalmente habra algunas variaciones segun el programa que utilicemos, lo voy a escribir de forma bastante general.

Primero definamos nuestras variables:

Por ejemple, en fortran usariamos algo como:

real:: B, H, A

Donde B será la variable que usaremos para la base, H para la altura, y A para el área.

Luego tenemos que escribir en pantalla algo que le diga al usario que debe introducir la base y el area.

Luego el programa debe ser capaz de leer ese input.

con algo de la forma:

B = read*input 1

H = read*input 2

Una vez tenemos definidas las variables, simplemente calculamos el área del triangulo:

A = H*B/2

Finalmente la podemos mostrar en pantalla con algo como:

print(A).

Lo que nos mostraría el valor del área.

Concluyendo, el diagrama en general sería:

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Answer:huh

Explanation:

Answer:

24° north of east

Explanation:

tan(x)=90/200 ie x=arctan(90/200)=24°

So the plane took off 24° east.

Answer:

24° north of east

Explanation:

Hope this will help

The vertical velocity of the ball will decrease with time.

The relation between the vertical velocity and time is given as,

Here, u is the initial velocity and g is acceleration due to gravity.

Answer:

0.08 years

Explanation:

a) The magnetic field due to the power line at the site of the compass can be calculated using the equation B=μoI/2πr,

where μo is the permeability of free space, I is the current in the power line, and r is the distance from the power line to the compass. In this case, the magnetic field is 0.16 μT.

(b) This magnetic field will not interfere seriously with the compass reading. The field is much weaker than the horizontal component of the Earth's magnetic field, which is 20 μT.

Hence, the compass should still be able to accurately measure the Earth's magnetic field, and the power line should not significantly affect the accuracy of the compass reading.

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Answer:

Yes you  worked

Explanation:

You may have not seen a good outcome but you did put effort in.

When a force is applied on the car and it doesn't move then it simply means

work wasn't done.

The formula for work is given below:

Work = Force ₓ Displacement

For work to have been done , the applied force must cause the object to

change its position(displacement).

In situations where the force applied doesn't cause a change in position then work can't be calculated. This means no work was done on the car despite the applied force causing him to be tired.

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The resistance of a circuit that contains two 50.0 Ω resistors connected in series with a 12.0 V battery is 100 Ω. The resistance of the circuit is equal to the sum of the individual resistors when they are connected in series.

In this case, two 50.0 Ω resistors are connected in series, resulting in a total resistance of 100 Ω. Resistance can be defined as the obstruction that electricity faces when it travels through a conductor. The greater the resistance, the less current is allowed to flow through the circuit. The following equation is used to calculate resistance: R = V / IWhere R is resistance, V is voltage, and I is current.

Resistance can also be calculated using Ohm's Law if we know the values of voltage and current. When resistors are connected in series, the total resistance of the circuit is equal to the sum of the individual resistors. This is expressed by the following equation:RT = R1 + R2 + ... + RNWhere RT is the total resistance of the circuit, and R1, R2, and RN are the individual resistors. In this case, the circuit contains two 50.0 Ω resistors connected in series.

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Answer:

0.905

Explanation:

right answer

The radius of the swing is 0.905 m

From the question, we are to determine the radius of the swing

Using the centripetal acceleration formula

\(a_{c}= \frac{v^{2} }{r}\)

Where \(a_{c}\) is the centripetal acceleration

v is the velocity

and r is the radius

From the given information,

v = 8.45 m/s

\(a_{c} = 78.9 \ m/s^{2}\)

Then,

\(78.9 = \frac{8.45^{2} }{r}\)

\(r = \frac{8.45^{2} }{78.9}\)

\(r = \frac{71.4025}{78.9}\)

r = 0.905 m

Hence, the radius of the swing is 0.905 m

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Given that Star A and Star B are nearly the same distance from Earth. And, Star A is half as bright as Star B, Star B is twice as luminous as Star A. Option b.

The luminosity of a star is related to the star's size, temperature, and age. It is a measure of the total amount of energy emitted by the star every second. Therefore, if we know that two stars have the same distance from Earth and one is half as bright as the other, the only conclusion we can draw is that the star which is twice as luminous as star A is star B.

Hence, the correct option is as follows :Option (b): Star B is twice as luminous as Star A. There is no sufficient information available to determine which star is farther away or hotter or larger. Therefore, options (a), (c), and (d) are incorrect.

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The earth pulls the moon with as much force as the moon pulls the earth.

(a) Just before impact, the angular momentum of the combined system of the wheel plus clay about the center C is 1.47 kg*m^2/s.

(b) Just after impact, the angular momentum of the combined system of the wheel plus clay about the center C is 2.22 kg*m^2/s.

(c) Just after impact, the angular velocity of the wheel is 0.143 radians/s.

(d) Qualitatively, the linear momentum of the combined system is conserved because no external forces act on the system in the horizontal direction.

Angular momentum is conserved in the absence of external torque, so just before the impact, the angular momentum of the wheel and clay about the center C is equal to the sum of their individual angular momenta. After the impact, the wheel and clay rotate together as one object with a new angular velocity and angular momentum. Because no external forces act on the system in the horizontal direction, the linear momentum of the combined system is conserved. Therefore, the initial and final linear momenta are equal, but the final angular momentum is greater than the initial angular momentum.

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Answer:

The northern lights, one of several astronomical phenomena called polar lights (aurora Polaris), are shafts or curtains of colored light visible on occasion in the night sky.

Explanation:

The wavenumber and (b) the wavelength of the radiation used by an fm radio transmitter broadcasting at 92. 0 mhz will be  31.25 * \(10^{2}\) \(m^{-1}\) and 0.032 * \(10^{2}\) m respectively

Forms of electromagnetic radiation like radio waves, light waves or infrared (heat) waves make characteristic patterns as they travel through space. Each wave has a certain shape and length. The distance between peaks (high points) is called wavelength.

Wavenumber, also called wave number, a unit of frequency, often used in atomic, molecular, and nuclear spectroscopy, equal to the true frequency divided by the speed of the wave and thus equal to the number of waves in a unit distance.

wavelength = ?

frequency = 92 m Hz = 92 * \(10^{6}\) Hz

speed of light = 3 * \(10^{8}\) m/s

speed of light = frequency * wavelength

wavelength = speed of light  / frequency

                     = 3 * \(10^{8}\)  / 92 * \(10^{6}\)

                     = 0.032 * \(10^{2}\) m

wavenumber = 1 / wavelength

                      = 1 / 0.032 * \(10^{2}\) m

                      = 31.25 * \(10^{2}\) \(m^{-1}\)

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The equivalent resistance between points A and B in the diagram is 22 Ω

We shall begin by obtaining the equivalent resistance in parallel (i,e the three 6 Ω resistor). Details below:

1/Rₜ = 1/R₁ + 1/R₂ + 1/R₃

1/Rₜ = 1/6 + 1/6 + 1/6

1/Rₜ = 3/6

1/Rₜ = 1/2

Rₜ = 2 Ω

Finally, we shall determine the equivalent resistance between A and B (i.e series arrangement). Details below:

R = R₁ + R₂ + R₃ + R₄ + R₅ + R₆ + R₇ + R₈ + R₉ + R₁₀ + R₁₁

R = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

R = 22Ω

Thus, we can conclude that the equivalent resistance is 22 Ω

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Answer:

hope helps

Explanation:

In a weightless environment a force of 5 Newtons is applied horizontally to the right on a rock with a mass of 1 kg and to a pebble with a mass of 0.1 kg.

Answer: 2km/m/s/s

Explanation:

10km divided by 5m/s/s = 2km/m/s/s