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is lighting firecrackers a form of conduction, convention, or radiation

Answer:

Proper nouns

hope this helps =3

The amount of heat lost through a 3' x 5' single-pane window with a storm that is exposed to a temperature differential is 108 BTU per hour.

The U-factor is a measure of how well a window insulates against heat transfer. The lower the U-factor, the better the window insulates.

Using these factors, we can calculate the rate of heat loss through the window in units of BTUs per hour.

Assuming a U-factor of 1.2 and a temperature difference of 60°F, the calculation would be:

Heat Loss = 1.2 BTU/(hrft^2F) x 15 ft^2 x 60°F

Heat Loss = 108 BTU/hour

Therefore, the heat lost through the window is 108 BTU per hour.

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Complete Question:

How much heat is lost through a 3' × 5' single-pane window with a storm that is exposed to a 60 Fahrenheit temperature differential?

Answer: The answer is 16Kg

Explanation:If you use the formula for mass, mass=force/acceleration and plug the numbers into the formula, 48/3 you would get

16Kg

Answer:

the answer is for the question is B

the answer is two minutes together which is c

The craft is moving at a speed of v = 0.024c or around 7 million metres per second or 16 million miles per hour.

The time dilation factor is equal to 3600/3599 if we only want 3599 seconds of the craft's time to pass for every hour (3600 seconds) of Earth time. However, there is a connection as well.

γ = \(\frac{3600}{3599}\) = Dilation factor

Also, γ = 1/ √\(1-v^{2}\)/\(c^{2}\)

which we can solve algebrically to yield,

\(\frac{v}{c}\) = √1-1/γ\(^{2}\)

we get,

\(\frac{v}{c}\) = 0.024

v= 0.024c

Accordingly, the craft is moving at a speed of v = 0.024c, or around 7 million metres per second or 16 million miles per hour.

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you can use the graph to estimate the value of x when y is required to start a doubles match with the sun and the sky very well from her childhood and a kind young women who lives with her wearing a black and a veil and shows to be in that position or they have a bad past or bad life that they want to take revenge on every one by murder goes on by them in the streets of St and St Mary's Church and its followers are known as Sikhs and the other children claim she

Answer:

Explanation:

Givens

delta mv = ?

m = 2 kg

vi = 6 m/s   right is positive

vf = - 4 m/s  left

Formula

delta mv = m (vf - vi)

Solution

delta mv = 2 * (-4 - 6)

delta mv = 2 * - 10

delta mv = - 20 kg m/s

Answer:

B

Explanation:

Answer:

The main function of the circulatory system is to carry nutrients to cells and waste away from cells.

Explanation:

Answer:

Dark colors absorb more radiated heat from the sunlight while lighter colors reflect it. That's why wearing a black shirt on a sunny day makes you feel so much hotter than when you're wearing a white shirt!

Answer:

black

Explanation:

Light energy can be converted into heat energy. A black object absorbs all wavelengths of light and converts them into heat, so the object gets warm

The type of electromagnetic radiation associated with the peak at 278 nm is ultraviolet radiation.

Electromagnetic radiation refers to waves of the electromagnetic field that propagate through space, carrying energy. These waves have a broad spectrum of wavelengths, and the different types of radiation are classified by their wavelengths. A peak at 278 nm corresponds to a specific wavelength within the electromagnetic spectrum.

The wavelength of 278 nm falls within the ultraviolet (UV) range, which typically spans from 10 nm to 400 nm. Therefore, the type of electromagnetic radiation associated with the peak at 278 nm is ultraviolet radiation.

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The induced EMF in the wire is 0.15625 volts when the wire moves in a perpendicular direction through Earth’s magnetic field.

Induced EMF (electromotive force) is a voltage that is produced in a conductor when it is moved through a magnetic field or when there is a change in the magnetic field around the conductor.

The EMF  induced in the wire is given by the equation:

EMF = BLv

where B is the strength of the magnetic field, L is the wire length, and v is the velocity of the wire relative to the magnetic field.

Substituting the given values, we get:

EMF = (5.0 x 10⁻⁵ T) * (25 m) * (125 m/s)

EMF = 0.15625 V

The magnitude of the induced EMF depends on the strength of the magnetic field, the speed at which the conductor is moving, and the angle between the magnetic field and the direction of motion of the conductor. This phenomenon is known as electromagnetic induction.

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Answer:

\(F = ma \\ a = \frac{F}{m} = 6 \\ when \: force \: is \: trippled \: and \: mass \: is \: halved \\ a = \frac{3F}{ \frac{1}{2} m} = \frac{3}{2} \times 6 \\ a = \frac{(3 \times 6)}{2} \\ a = \frac{18}{2} \\ a = 9 \: m {s}^{ - 2} \)

The strength of the electric field required to balance the weight of the charged plastic sphere is approximately -1.823 x 10^6 N/C (newtons per coulomb).

To find the strength of the electric field required to balance the weight of a charged plastic sphere, we need to consider the force due to gravity acting on the sphere and the electric force acting on it.

The force due to gravity can be calculated using the equation:

Force_gravity = mass * acceleration due to gravity

Given that the mass of the plastic sphere is 1.7 g (0.0017 kg) and the acceleration due to gravity is approximately 9.8 m/s², we can calculate the force due to gravity:

Force_gravity = 0.0017 kg * 9.8 m/s²

Next, we calculate the electric force using the equation:

Force_electric = charge * electric field strength

The charge on the plastic sphere is -9.2 nC (negative because it is negatively charged).

Now, we equate the forces to find the electric field strength:

Force_electric = Force_gravity

charge * electric field strength = mass * acceleration due to gravity

electric field strength = (mass * acceleration due to gravity) / charge

Plugging in the values, we get:

electric field strength = (0.0017 kg * 9.8 m/s²) / (-9.2 x 10^(-9) C)

Calculating this, the strength of the electric field required to balance the weight of the charged plastic sphere is approximately -1.823 x 10^6 N/C (newtons per coulomb).

Note: The negative sign indicates that the electric field is directed opposite to the force of gravity, as the sphere has a negative charge.

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The angle in the pre-image that corresponds to ∠D in the image is ∠P.

Correspond is a verb that means to communicate with another person or group in writing. It can also mean to match or correspond in kind or degree. Correspondence is the exchange of written communication between two people or groups. For example, a company might correspond with its customers through email, letters, or other forms of communication. Correspondence can also refer to the relationship between two or more things that are similar or have a connection. In this context, it means that two or more things correspond to each other in some way.

This is because when a figure is rotated 180 degrees about a point, the angle in the pre-image will be the same as the angle in the image, but in the opposite direction. Therefore, in this case, the angle in the pre-image that corresponds to ∠D in the image is ∠P.

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The first step is to calculate the cross-sectional area of the arteriole using its diameter (0.030 mm). The formula for the cross-sectional area of a circle is A = πr^2, where r is the radius of the circle. Therefore, the cross-sectional area of the arteriole is A = π(0.015 mm)^2 = 0.0007069 mm^2.

Next, we can convert the blood flow rate from cm^3/s to mm^3/s by multiplying by 1000 (since there are 1000 mm^3 in 1 cm^3). Therefore, the blood flow rate in the arteriole is 5.5 x 10^-3 mm^3/s.

To find the speed of the blood in the arteriole, we can use the formula v = Q/A, where v is the speed, Q is the flow rate, and A is the cross-sectional area. Substituting in the values we found, we get v = (5.5 x 10^-3 mm^3/s) / (0.0007069 mm^2) = 77.79 mm/s.

Therefore, the speed of the blood in a typical arteriole is approximately 77.79 mm/s. This answer is within the 100 word limit.
To find the speed of the blood in an arteriole, we need to use the formula:

Speed = Flow rate / Cross-sectional area

First, let's convert the given diameter (0.030 mm) to centimeters and find the radius of the arteriole:

Diameter = 0.030 mm = 0.003 cm
Radius = Diameter / 2 = 0.003 cm / 2 = 0.0015 cm

Now, let's calculate the cross-sectional area of the arteriole using the formula for the area of a circle (A = πr²):

A = π(0.0015 cm)² ≈ 7.07 x 10⁻⁶ cm²

We are given the flow rate as 5.5 x 10⁻⁶ cm³/s. Now, let's find the speed:

Speed = (5.5 x 10⁻⁶ cm³/s) / (7.07 x 10⁻⁶ cm²) ≈ 0.777 cm/s

So, the speed of the blood in an arteriole is approximately 0.777 cm/s.

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Beyond the shallow-water zone of ponds and lakes is the pelagic zone. The pelagic zone is the open-water region that extends beyond the shallow areas and reaches down to the depth of light penetration. It is also known as the limnetic zone in freshwater environments.

In the pelagic zone, sunlight can penetrate to a certain depth, allowing photosynthesis to occur. This depth varies depending on factors such as water clarity and the presence of suspended particles. The upper layer of the pelagic zone, where sufficient sunlight reaches, is called the euphotic zone. This is where primary production, carried out by phytoplankton and other photosynthetic organisms, takes place.

The pelagic zone is characterized by its vast expanse of open water and is home to a diverse array of organisms. Zooplankton, small fish, and other aquatic organisms inhabit this zone and form the basis of the food web. Predatory fish, such as trout and bass, are often found in the pelagic zone, preying on the smaller organisms.

Overall, the pelagic zone plays a crucial role in the ecology and productivity of aquatic ecosystems, supporting a wide range of organisms and contributing to the overall biodiversity of lakes and ponds.

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Answer:

running a mile in six minutes

Explanation:

Answer:

Not example is B: Running a mile in six minutes

The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)

The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.

To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).

The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).

In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).

Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.

If co > co_critical, the system is considered overdamped (Option E).

If co = co_critical, the system is considered critically damped (Option D).

If co < co_critical, the system is considered underdamped (Option C).

Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.

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C contains 6 π electrons, and all 6 π electrons are delocalized in the ring. C is aromatic because it meets the criteria for aromaticity, which are that it is cyclic, planar, fully conjugated, and has a certain number of π electrons (4n+2, where n is a non-negative integer).

In order to determine the number of π electrons in C, we need to count the number of electrons involved in the π bond system. C has a benzene ring, which consists of 6 carbon atoms in a cyclic arrangement, with alternating single and double bonds. Each double bond contains 2 π electrons, so the total number of π electrons in the ring is 6 x 2 = 12. However, because the double bonds are delocalized around the ring, each carbon atom only contributes one π electron to the ring. Therefore, C contains 6 π electrons.

All 6 π electrons in C are delocalized in the ring, meaning that they are not localized to any one specific bond, but instead are free to move around the entire ring. This makes the ring particularly stable and resistant to reactions that would break the aromaticity.

C is aromatic because it meets the criteria for aromaticity. The ring is cyclic, planar, and fully conjugated, meaning that all of the atoms in the ring are sp2 hybridized and have overlapping p orbitals that allow for delocalization of electrons. Additionally, the number of π electrons in the ring is 4n+2, where n is 1 (in this case), making the ring aromatic. The aromaticity of C makes it particularly stable and has important implications for its reactivity and properties.

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Answer:

100m/s

Explanation:

speed of wave=frequency × wave length

=10 × 10

=100m/s

Answer:

100 m/s

Explanation:

Formula :

Solving using the given values :

Answer:

The process of heat conduction depends on four basic factors: the temperature gradient, the cross section of the materials involved, their path length, and the properties of those materials.

Explanation:

Answer:

A

Explanation:

The answer to your question is that the speed of the motor in rpm will depend on the specifications of the motor. To provide a long answer with an explanation, we need to understand the relationship between load torque and speed in a motor.

In a motor, the load torque is the force that opposes the rotation of the motor shaft. The speed of the motor will decrease as the load torque increases. This is because the motor needs to work harder to overcome the resistance of the load and maintain its speed. To calculate the speed of the motor in rpm, we need to know the torque-speed characteristic of the motor. This is a graph that shows the relationship between torque and speed for a specific motor. The torque-speed characteristic is unique to each motor and can be found in the motor specifications provided by the manufacturer.

Once we have the torque-speed characteristic of the motor, we can use it to calculate the speed of the motor for a given load torque. For example, if the motor is experiencing a load torque of 0.65 mn-m and the torque-speed characteristic shows that the motor speed drops to 1000 rpm at this torque, then the speed of the motor in rpm would be 1000.

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Answer:

85 mph

Explanation:

Divide the distance by time

340/4 = 85 miles per hour

Answer:

85 mph

Explanation:

Speed = distance/time

Speed = 340/4

Speed = 85 mph

Answer:

Inside a femur bone found in the woods,

saliva of gum

Answer:

Your human reflexes would pull your arm away extremely fast, and you'd be left in pain, this is your nervous system at work. In the long term, you'd be very cautious about stoves

Explanation:

Hope this helps!

Answer:

I believe its called the periosteum , its a thin , dense membrane that contains  nerves and blood vessels .

Hoped I helped-

Sleepy~

Answer:

Momentum must be conserved in the collision.

The steel block must move faster after the collision to preserve momentum.

If the steel block is moving faster it will aso have more kinetic energy.

(Note; If the bullet hits the steel block it will have some momentum in the reverse direction and thus have a greater change in total momtntum than the bullet that becomes imbedded in the wood block)