What mass of silver chloride can be produced from 1.39 ll of a 0.209 mm solution of silver nitrate?

Answer:

False.

Explanation:

Mass is the amount of matter in a given object. Weight is the force acting on an object due to gravity.

Answer:

False

Explanation:

Weight is the act of pulling an object towards the earth surface so weight is a force to amount

Answer:

I would hope they can change this question

Most stars take millions of years to die. When a star like the Sun has burned all of its hydrogen fuel, it expands to become a red giant then when it fully runs out it then dies

Answer:

. When the core runs out of hydrogen fuel, it will contract under the weight of gravity.

Explanation:

The beat frequency between the source waves and the waves reflected from an intruder walking at an average speed of 0.950 m/s directly away from the alarm is 166.18 Hz. This is obtained using the formula fbeat = |f1 - f2| where f1 is the frequency of the wave emitted by the source, and f2 is the frequency of the wave reflected from the intruder. The Doppler effect equation is used to calculate the frequency of the reflected wave.

The formula for the beat frequency is fbeat = |f1 - f2|.

Where f1 and f2 are the frequencies of the two waves.

The wave emitted from the source has a frequency of 28 kHz. Let the frequency of the wave reflected from the intruder be f2.

When the intruder is moving directly away from the alarm, the frequency of the reflected wave is given by the Doppler effect equation:

f2 = f1(v + v_i)/v

where v is the speed of sound,

v_i is the speed of the intruder, and f1 is the frequency of the wave emitted by the source.

Substituting the given values, we get:

f2 = 28,000(340 + 0.950)/340

= 28,166.18 Hz

Now, the beat frequency is given by:

fbeat = |f1 - f2|

= |28,000 - 28,166.18|

= 166.18 Hz

Therefore, the beat frequency between the source waves and the waves reflected from an intruder walking at an average speed of 0.950 m/s directly away from the alarm is 166.18 Hz.

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Answer:

because the distance increased while the speed stayed the same

Explanation:

Answer: A curved line on a distance time graph tell us that the speed is changing but the object is either getting faster or the accelerating or slowing down the decelerating.

Explanation: Hope this helps

Answer:20watts

Explanation:

Answer:

The solution is given below

Explanation:

The computation is shown below;

We know that

Work done = Fs cosθ

But before that we need to determine the force i.e.  

We know that

Force (F) = mass (m) × Acceleration (a)

= 100 × 5

= 500 N

Now,  work done by the go-cart is  

Work done (W) = Fs cosθ

= 500 × 25 × cos(0°)

=  500 × 25 × 1

= 12,500 J

Explanation:

at the top of the roller coaster it's the climax

There are two main types of optical telescopes: refracting telescopes and reflecting telescopes.

1. Refracting telescopes: These telescopes use lenses to gather and focus light. The primary component is a large objective lens that collects and refracts incoming light towards a focal point. The light is then magnified by an eyepiece for viewing. Refracting telescopes are known for providing sharp and clear images, especially when observing celestial objects such as the Moon and planets. However, they can suffer from chromatic aberration, which causes color distortion due to the different wavelengths of light bending at different angles.

2. Reflecting telescopes: Reflecting telescopes use a curved mirror to gather and focus light. The primary mirror collects incoming light and reflects it to a secondary mirror, which then directs the light towards the eyepiece or a camera. Reflecting telescopes eliminate chromatic aberration, as mirrors do not refract light like lenses. They are also more versatile and cost-effective than refracting telescopes, allowing for larger apertures and the ability to gather more light. Reflecting telescopes are commonly used in astronomical research and provide high-quality images of various celestial objects, including galaxies, nebulae, and distant stars.

Overall, both types of telescopes have their advantages and are used for different applications in the field of astronomy.

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Answer:

C: You must know force and distance to calculate both.

Explanation:

A force is said to have done work, when it has succeeded in causing displacement in an object from its starting point.

Power can be defined as the rate of doing work.

The work can be calculated using the following formula:

Work done = Force × Displacement

The power can be calculated using the following formula:

Power = Work \ Time

In order to calculate the work and power, the force and distance should be known. The force and distance will help in the calculating the work, which will in turn help in the calculation of the power of the object.

Hence, the answer is you must know force and distance to calculate both.

Precision refers to the closeness of two or more measurements to each other. Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise. Precision is independent of accuracy.

The force responsible for the acceleration of the crate is the frictional force between the crate and the bed of the truck.

When the truck accelerates, the crate tends to remain at rest due to inertia. However, the frictional force between the crate and the bed of the truck acts in the forward direction, allowing the crate to accelerate along with the truck.

This frictional force is a result of the interaction between the surfaces of the crate and the truck bed. Without this frictional force, the crate would slide or move independently from the truck's acceleration.

The frictional force arises due to the microscopically rough surfaces of the crate and the truck bed. As the two surfaces are pressed against each other, intermolecular forces come into play, resulting in the generation of the frictional force

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Answer:

I guess the answer is charging by friction

The mechanical power developed by the motor is approximately 467.63 W.

What is the mechanical power developed by the motor?

(a) To find the current drawn by the motor from the line, you can use Ohm's law (V = IR). In this case, the total voltage across the motor (120 V) is equal to the sum of the voltage across the internal resistance (IR) and the emf in the rotor (101 V).

Step 1: Subtract the emf in the rotor from the total voltage: 120 V - 101 V = 19 V.

Step 2: Use Ohm's law to find the current: I = V / R = 19 V / 4.1 Ω ≈ 4.63 A.

The current drawn by the motor from the line is approximately 4.63 A.

(b) To find the power delivered to the motor, use the formula P = IV.

Step 1: Multiply the current drawn by the motor (4.63 A) by the total voltage (120 V): P = 4.63 A * 120 V ≈ 555.6 W.

The power delivered to the motor is approximately 555.6 W.

(c) To find the mechanical power developed by the motor, use the formula P = IV for the rotor.

Step 1: Multiply the current drawn by the motor (4.63 A) by the emf in the rotor (101 V): P = 4.63 A * 101 V ≈ 467.63 W.

The mechanical power developed by the motor is approximately 467.63 W.

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San Andreas Fault--Normal Fault is associated correctly.

This is option 1.

San Andreas Fault is a right-lateral strike-slip fault that runs approximately 800 miles (1,300 km) through California in the western United States. It forms the boundary between the Pacific Plate and the North American Plate, extending from the San Francisco Bay Area to the Salton Sea near the Mexico–United States border. It is one of the most significant geological features on the planet, and it is also one of the most active, with frequent earthquakes of varying sizes being reported in the region.

A normal fault is a type of fault that occurs when the rocks in the Earth's crust are pulled apart by tension. A normal fault occurs when the block of rock above the fault line falls downwards relative to the block of rock below the fault line, which is raised upwards.

So, the correct answer is option 1

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Answer: 4.214 N

Explanation: Given Mass = .43kg

Weight  = mxa ...........(On earth a= 9.8 m/s2)

so .43X 9.8 = 4.214 N

as SI unit of weight if N

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Answer:

180 [J].

Explanation:

1) the required work [W] can be calculated as difference of the energy: W=E₂-E₁, where E₁=mgh₁ - the energy before lifting, E₂=mgh₂ - the energy after lifting;

2) W=mgh₂-mgh₁, where m - mass; g=10 [N/kg], h - height;

3) then the required work [W]:

W=mg*(h₂-h₁)=30*6=180 [J].

Explanation:

1 For a sound wave, the pitch is determined by which wave characteristic?

A - Frequency

2 Which of the following waves cannot be transmitted through a vacuum?

C - Sound waves

3 Which of the following could be the value of a wavelength that is found in the visible region of the electromagnetic spectrum?

B - 5 × 10^-7 m

4 Sophie is trying to measure the speed of sound. She stands 24.0 m away from a wall and claps repeatedly, changing the frequency until the echo synchronized with her claps. If she calculates the speed of sound as 325 m • s-1 how long did she wait between claps?

The time between her claps and the echo is twice the time it takes for the sound to travel from her to the wall. Therefore, the time between her claps is:

time = distance/speed = 2 x 24.0 m/325 m/s = 0.148 seconds (to three significant figures).

So the answer is 0.148, without units and correct to three significant figures

Answer:

the size, length, or amount of something, as established by measuring.

Explanation:

Answer:

P = VI = (IR)I = I2R

Explanation:

What the equation means is that if you double the current you end up with 4 times the power loss. It's like the area of carpet you need for a room - if you make the room twice as long and twice as wide you need 4x as much carpet. The physical explanation is that the voltage difference along a wire depends on the current - more current flowing with a resistance means more voltage (pressure of electricity if you like) is built up.

This extra voltage means more power. So if you double the current your would double the power, but you also double the voltage which doubles the power again = 4x as much power. P = VI = (IR)I = I2R

I hope this helps you out, if I'm wrong, just tell me.

As I mentioned earlier, Ohm's law gives us the formula P = IV, where V is the voltage ( also known as the electrical potential difference ) and I is the current. It is confusing that P = I²R and P = IV are one in the same - so I want to go a bit deeper on that.

We have three formulas, P = IV, P = I²R, and P = V² / R. Each are considered the same. The two formulas P = I²R, and P = V² / R are derived from the statement that P = IV, under the condition V = IR. Substitute the value of V from this second condition V = IR into P = IV. You would get the following -

P = I( IR ),

P = I²R

That is how one can derive the formula P = I²R, and how P = IV and P = I²R are thought to be one in the same. If you would like, take a look at how to get the formula " P = V² / R, "

V = IR, P = IV

I = V / R, P = IV

P = ( V / R )V,

P = V² / R

Hope that helps!

The velocity by which charge is moving is 3m/sec if a force of 30N acts on it in a 5Tesla magnetic field.

We know very well that a moving charge can produce both magnetic field and electric field. Static charge is only able to produce electric field.

Moving charge has velocity due to that it is able to produce magnetic field.

Now, direction of charge is very important as it will decide whether force act on the charge applied by the magnetic field or not.

Now, We know very well that force exerted by magnetic field on the charge is given by(F)=qvBsinθ where

q is the amount of charge,

v is the velocity of charge

F is the amount of force

B is the amount of magnetic field and

sinθ is the angle made by the charge with the plane of magnetic field.

Since charge is moving perpendicularly to the field, therefore value of sinθ=1

Now, F=qvBsinθ

=>v=F/qvBsinθ

=>v=30/(2×5×1)

=>v=30/10

=>v=3m/sec

Hence, velocity of charge is 3m/sec.

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Answer:

a

Explanation:

Answer:

a stone rock

Explanation:

The metamorphic rock is produced by great heat and pressure and is never melted.  

• The rock, which get changed from one kind to another is known as the metamorphic rock.  

• It is produced from either sedimentary rock or igneous rock, the majority of the Earth's crust is formed of metamorphic rock.  

• The sedimentary and igneous rock turn into metamorphic rock due to intense heat from magma and pressure from tectonic shifting.  

• The rock in spite of becoming extremely hot and under a lot of pressure does not get melt. If it gets melt it is not a metamorphic rock, it is an igneous rock.  

• The metamorphism makes the composition and texture of the mineral to change. The formation of new textures takes place due to the process known as recrystallization.  

Thus, the rock is the metamorphic rock.

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Answer:

8 hz

Explanation:

Wave Frequency = \(\frac{velocity}{wavelength}\)

\(F=\frac{3.6}{0.45} = 8\)

Answer: The interference that's shown in the diagram below is the revie waves.

Explanation: I HOPED IT HELPED.

In order to form a hypothesis that would illustrate the relationship between mass and kinetic energy, we first need to understand what kinetic energy and mass are and how they are related. Kinetic energy is the energy that an object possesses due to its motion, and is given by the formula KE = 0.5mv², where m is the mass of the object and v is its velocity. Mass, on the other hand, is a measure of the amount of matter in an object.

The relationship between mass and kinetic energy is direct, meaning that as mass increases, so does kinetic energy, provided that velocity remains constant. Similarly, if velocity increases, then kinetic energy will increase as well, provided that mass remains constant.

The hypothesis that illustrates this relationship can be stated as follows:If the mass of an object is increased, then the kinetic energy of the object will also increase, because kinetic energy is directly proportional to mass, assuming velocity remains constant.In other words, if the mass of an object is doubled, then its kinetic energy will also double, assuming that its velocity remains constant. This hypothesis can be tested through experiments that involve measuring the kinetic energy of objects with different masses, but with the same velocity.

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If the mass of an object increases, then its kinetic energy will increase proportionally because mass and kinetic energy have a linear relationship when graphed.

(a) Flowchart: A condenser process flowchart is provided, illustrating the inputs and outputs of the humid air stream, O₂, N₂, and the condensed liquid water. (b) Total flow rate: The total flow rate of the feed stream entering the condenser is 5.296F mol/s, considering the flow rates of water vapor, O₂, and N₂. (c) Enthalpy and heat transfer: The enthalpy changes for water vapor and O₂ are calculated, resulting in a heat transfer of -0.072 kF kW, indicating heat removal by the condenser. the heat transferred by the condenser is -0.072 kF kW.

(a) Flowchart:

(b) Total flow rate of the feed stream:

The flow rate of N2 leaving the condenser is given as 5.18 mol/s.

The flow rate of water vapor entering the condenser is 58.0 mol% of F.

80% of the above water vapor is condensed and removed, leaving 20% remaining.

So, 20% of the above water vapor remaining in the humid air after condensation is 0.116F mol/s.

The flow rate of O2 is given as 8.8 mol% of F.

The total flow rate of the feed stream is the sum of the flow rates of water vapor, O2, and N2:

Total flow rate = Flow rate of water vapor + Flow rate of O2 + Flow rate of N2

              = 0.116F + 0.088F + 5.18

              = 5.296F mol/s

(c) Inlet-Outlet Enthalpy Table:

To calculate the heat transferred by the condenser, we need to determine the enthalpy changes for water vapor (H3 to H4) and O2 (H5).

The enthalpy change for water vapor can be calculated as:

ΔH_vap = Enthalpy of water vapor at 30°C - Enthalpy of water vapor at 150°C

      = [40.657 + 0.119 × (30 - 0)] - [40.657 + 0.119 × (150 - 0)]

      = -13.607 kJ/kmol

Enthalpy of water leaving the condenser (H4) can be calculated as:

H4 = Enthalpy of water vapor at 30°C = 40.657 kJ/kmol

Enthalpy of O2 leaving the condenser (H5) can be taken as:

H5 = Enthalpy of O2 at 30°C = 0.102 kJ/kmol

The heat transferred by the condenser (q) can be calculated as:

q = Total flow rate × ΔH

 = (5.296F mol/s) × (-13.607 kJ/kmol) × 10⁻³ kW/J

 = -0.072 kF kW (where kF is the constant conversion factor 10⁶)

Therefore, the heat transferred by the condenser is -0.072 kF kW.

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The magnitude of the force p that is perpendicular to other force q and makes an angle of 30° with the resultant force of 50 N, is 43.30 N.

Since the two forces p and q are perpendicular to each other, they form a right triangle with the resultant force (see the picture below).

We can calculate the magnitude of the force p with the following trigonometric function:    

\( cos(\theta) = \frac{p}{F} \)

Where:        

F: is the magnitude of the resultant force = 50 N

p: is the magnitude of the force p =?

θ: is the angle between p and F = 30°

Hence, the magnitude of p is:

\( p = cos(\theta)*F = cos(30)*50 N = 43.30 N \)

Therefore, the magnitude of p is 43.30 N.          

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Focusing on the present is a characteristic of the observant function.

This trait is characterized by people who pay much attention to themselves more than others.

This type of people focus on the present and ensure things are done without procrastination. This depicts the option D which makes it the most appropriate choice.

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Answer:

RiRi

Explanation: