A car travels a distance of 36 m in 12 seconds How fast is the car moving?

Answer:

1:physical fitness

2:cardiovascular endurance

3:self testing exercise

4:zipper test

5:fitness level

Explanation:

hope this helps

that the change in the momentum of the probe in the time interval from 22.6 seconds after the probe is launched to 22.7 seconds after the launch can be determined by using the formula Δp = FΔt where Δp represents the change in momentum F is the net force the time interval.

In this case, we assume that the net force on the probe is approximately constant during this time interval, so we can use the following formula:Δp = FΔtThe long answer to this question is that the change in momentum of an object can be determined by multiplying the force acting on the object by the time interval during which the force is acting. This is known as the impulse-momentum theorem. Mathematically, it can be expressed as:Δp = FΔtwhere Δp represents the change in momentum, F is the net force, and Δt is the time interval. If the net force acting on an object is constant, then we can use the above formula to determine the change in momentum during a particular time interval. In this case, we are given that the net force on the probe is approximately constant during the time interval from 22.6 seconds after the probe is launched to 22.7 seconds after the launch. we can use the above formula to determine the change in momentum of the probe during this time interval.

Time interval from 22.6 seconds after the probe is launched to 22.7 seconds after the launch We assume that the net force on the probe is approximately constant during this time interval .We know that,Δp = FΔtWhere, Δp = Change in momentumF = Net forceΔt = Time interval Substitute the given values,Δt = 22.7 s - 22.6 sΔt = 0.1  Since we assume that the net force on the probe is approximately constant during this time interval, we can take the force acting on the probe at any point during this interval as the net force acting on the probe. So, the change in the momentum of the probe can be determined by multiplying the force acting on the probe by the time interval during which the force is acting. Mathematically, it can be expressed as:Δp = FΔtTherefore, the change of the momentum of the probe in the time interval from 22.6 seconds after the probe is launched to 22.7 seconds after the launch can be determined using the formula:Δp = FΔt.

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Answer:

decreases

Explanation:

halves and the speed remains unchanged.

The emergent layer consists of the tallest trees that rise above the canopy, receiving direct sunlight and serving as nesting spots for birds and other animals.

The term that belongs in box 3 in the table is "understory." The table represents different layers of a forest ecosystem. The four main layers are: 1) canopy, 2) forest floor, 3) understory, and 4) emergent. The canopy is the uppermost layer consisting of tree branches and leaves, providing shade and habitat for various species. The forest floor is the bottom layer, rich in decaying organic matter and home to decomposers. The understory, positioned between the canopy and forest floor, contains smaller trees, shrubs, and plants, and supports unique wildlife adapted to low light conditions. Finally, the emergent layer consists of the tallest trees that rise above the canopy, receiving direct sunlight and serving as nesting spots for birds and other animals.

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We find that the change in kinetic energy is positive and equal to 696.60 W, option d. The formula for kinetic energy is given by KE = 1/2 * mv^2, where m is the mass of the fluid and v is its velocity.

In this case, we are given the velocities at the outlet and the reactor inlet, which are 14.4 m/s and 10.7 m/s, respectively. Since the mass of the fluid is not provided, we can assume it to be constant.

The change in kinetic energy is given by the difference in kinetic energies at the outlet and the reactor inlet, which can be calculated using the formula:

ΔKE = (1/2 * m * v_outlet^2) - (1/2 * m * v_inlet^2)

Simplifying this expression, we get:

ΔKE = 1/2 * m * (v_outlet^2 - v_inlet^2)

Plugging in the given values, we have:

ΔKE = 1/2 * m * (14.4^2 - 10.7^2)

Calculating this expression, we find the answer to be approximately 696.60 W. Therefore, the correct option is d. 696.60.

In summary, the change in the rate of kinetic energy is approximately 696.60 W. This is calculated by taking the difference between the kinetic energy at the outlet and the kinetic energy at the reactor inlet using the formula ΔKE = 1/2 * m * (v_outlet^2 - v_inlet^2). Plugging in the given velocities of 14.4 m/s and 10.7 m/s, we find that the change in kinetic energy is positive and equal to 696.60 W.

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The remote PIC/visual observer could make a call on the Common Traffic Advisory Frequency (CTAF) to alert the manned pilot by stating the position of the UAV and the altitude it is flying at.

The call could go something like this: "Attention all aircraft on CTAF, this is [call sign of UAV]. We have a manned aircraft approaching our area from the west and flying just north of the area from west to east at [altitude].

Please be aware of our UAV operations and take necessary precautions to avoid any potential conflicts." This call should be made in a calm and clear manner, ensuring that the manned pilot understands the situation and can take appropriate action to avoid any collisions or safety hazards.

It is important to maintain situational awareness and communicate effectively to ensure safe operations of both manned and unmanned aircraft in the airspace.

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Answer:

density = mass /vol

13.5 =151/ vol

vol = 151/13.5 = 11.2 ml

dynamics is the branch of physics devoleped in classical mechanics concerted with the study of forces and the effect on their motion

Answer:

Dynamics is defined as the branch of mechanics that deals with the effect of outside forces on something

Answer:

Climate scientists compare the tree growth records to local weather records. For locations where a good statistical match exists between tree growth and temperature or precipitation during the period of overlap, the ring widths can be used to estimate past temperature or precipitation over the lifetime of the tree.

Answer:

Usually, a solution can have several criteria and constraints. Even though all are important, some criteria are more important than others. The same holds true for constraints. But what do you do if it's impossible for a solution to cover every criterion while avoiding every constraint? In cases like this, you can use prioritization. Listing criteria and constraints based on priority shows the relative importance of each. You will need to prioritize the criteria and constraints for each sub-problem so that you can design a solution for each one individually. Prioritization can help you compare two different possible solutions. For example, the criterion that cars travel at 15 mph through the neighborhood might be a higher priority than the constraint that homeowners are only willing to spend $10,000 on this issue. If this is the case, you would want to generate solutions that also follow the priority in mind. All criteria are important, but engineers must sometimes make a trade-off, which is a compromise or change in one or more criteria or constraints so that they can be met at the same time. This is where prioritization comes in handy as it helps determine the trade-offs. A solution that is doing a better job of meeting one criterion may result in not completely meeting another criterion. Prioritization will help you choose which solution to go with.

Explanation:

I got this from quizlet :)

Answer:

most of the time the bullet will not hurt you but sometimes can hurt or kill you.

The electromagnet becomes weaker when the number of coils around the nail is decreased. The correct answer is "It becomes weaker."

An electromagnet is created by coiling a wire around a magnetic core, such as a nail, and running an electric current through the wire. This creates a magnetic field around the wire, which magnetizes the core.

The strength of the magnetic field and thus the strength of the electromagnet is directly proportional to the number of coils around the magnetic core.

This is because each coil adds to the magnetic field, and the more coils there are, the stronger the magnetic field becomes.

When some coils are removed, there are fewer coils contributing to the magnetic field. As a result, the strength of the magnetic field and thus the strength of the electromagnet decreases.

Therefore, the correct option is " it becomes weaker" when the number of coils around the nail is decreased.

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The Sun's radiant energy is composed of shorter wavelengths compared to Earth's primarily due to the Sun's greater surface temperature.

The Sun's radiant energy is composed of shorter wavelengths compared to Earth's because of the Sun's greater surface temperature.

The surface temperature of the Sun is significantly higher than that of the Earth. The Sun's surface temperature is around 5,500 degrees Celsius (9,932 degrees Fahrenheit), while the Earth's surface temperature averages around 15 degrees Celsius (59 degrees Fahrenheit).

According to Wien's law, which describes the relationship between the temperature of a black-body radiator and the wavelength of its peak emission, higher temperatures correspond to shorter wavelengths. As the Sun has a much higher surface temperature, it emits a greater amount of energy in shorter wavelengths, including visible light and shorter wavelengths in the electromagnetic spectrum.

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In order to hit the target, the archer should aim the arrow so that it follows a parabolic trajectory.

The archer should aim the arrow slightly higher than the target, so that the arrow will arc downward and reach the target. Additionally, the archer should take into account other factors such as wind speed and direction, as these can affect the trajectory of the arrow.

The parabolic trajectory is a curve created when an object is thrown or shot in the air at an angle, then follows the path of a parabola. The parabolic trajectory allows for the object to travel in an arc and reach a certain distance, such as a target.

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Considering the change of units and the definition of weight, the mass of two washers would be 0.0098 kg and if 4 washers are attached to the string, then the applied force on the car will be 0.196 N.

If each washer has a mass of 4.9 g, then the mass of two washers will be calculated simply by multiplying the mass of 1 washer by the amount you have of them, in this case 2:

4.9 g×2= 9.8 g

Being 1 kg = 1000 g, you apply the following rule of three to make the change of units: if 1000 g equals 1 kg, 9.8 g equals how many kilograms?

\(mass=\frac{9.8 gramsx1 kg}{1000g}\)

Solving:

mass= 0.0098 kg

Finally, the mass of two washers would be 0.0098 kg.

On the other side, mass is the amount of matter that a body contains and weight is the action exerted by the force of gravity on the body.

The mass of an object will always be the same, no matter where it is located. Instead, the weight of the object will vary according to the force of gravity acting on it.

Weight is calculated as the product of the object's mass and the value of the gravitational acceleration:

W= m×g

In this case, you know:  

Replacing:

W= 0.0196 kg× 10 m/s²

Solving:

W= 0.196 N

Finally, if 4 washers are attached to the string, then the applied force on the car will be 0.196 N.

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Answer:

C, B

Explanation:

Big has no cause of action against Temper. In this scenario, while Temper may have made a verbal threat and raised his fists in a confrontational manner, there is no indication that he physically touched or harmed Big.

Assault refers to the act of intentionally causing apprehension or fear of imminent harmful or offensive contact. Battery, on the other hand, involves the intentional and harmful or offensive physical contact with another person without their consent.

In this case, Temper's actions may constitute assault due to the verbal threat and raising his fists, creating an atmosphere of fear or apprehension. However, since no physical contact or harm occurred, battery is not applicable. Therefore, the appropriate response is option d: Big has no cause of action against Temper.

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A roller coaster accelerates at 8.75 m/s² from rest to a final velocity of 70 m/s it takes 8 sec to speed up.

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The velocity of the papaya is 20.98 m/s.

The gravitation potential energy of the spoon is 0.735 J.

The elastic potential energy of the spring is  0.0065 J.

The velocity of the papaya is calculated by applying the formula for kinetic energy as shown below;

K.E = ¹/₂mv²

where;

v² = 2K.E/m

v = √(2k.E/m)

v = √(2 x 110 / 0.5)

v = 20.98 m/s

The gravitation potential energy of the spoon is calculated by applying the formula for potential energy.

P.E = mgh

where;

P.E = 0.05 x 9.8 x 1.5

P.E = 0.735 J

The elastic potential energy of the spring is calculated as follows;

U = ¹/₂kx²

where;

U = ¹/₂(5.2)(0.05²)

U = 0.0065 J

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The correct answer is frame of reference

Motion is a simple idea to grasp, but depending on the degree of detail required, it might turn out to be a fairly difficult item to calculate. Motion may be defined simply as the measurement of movement in a certain direction. Several forces, including mass, friction, velocity, and distance, must be understood in order to determine movement and direction.

An item must move in order to measure motion. Starting from one position in space and terminating at another is what is meant by this definition. Though time is not required to show motion, it is sometimes added to the calculation of speed to account for the time needed to go from one location to another. In theoretical mathematics, movement is typically represented as an x-y cartesian graph.

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We are given an object that has a weight of 50.0 N. It is located at a height of 2.00 m. The gravitational potential energy if given by the following formula:

Where:

The weight of the object is given by:

Where:

Substituting in the formula for the gravitational potential energy:

Now, we plug in the values:

Therefore, the right answer is C.

The frequency of electromagnetic radiation at which very pure silicon, at 300 K, should become transparent according to the Drude theory is 1.1 × 10¹⁶ Hz.

Drude theory is a physical model that describes the behavior of electrons in a solid. This model was proposed by Paul Drude in 1900. Drude theory assumes that electrons in a solid are free to move within the solid and interact with the lattice structure of the solid. Drude theory was the first model to successfully explain the electrical and thermal conductivity of solids.

The frequency of electromagnetic radiation at which very pure silicon, at 300 K, should become transparent according to the Drude theory is given by the expression below:

ωp² = \(\frac{n e^{2}} {e^ {0} m^*}\)

Here,ωp is the plasma frequency n is the number density of electrons e is the electron charge e⁰ is the permittivity of free space m* is the effective mass of the electron.

Substituting the given values, we get:

ωp2 = \(\frac{1.5*10^{22} * 1.6*10^{-19}*2}{8.85* 10^{-12}*9.1*10^{-31}}\)

ωp2 = 3.29 × 10²⁷ s⁻²

Therefore,ωp = 1.81 × 10¹³ s⁻¹. The critical frequency at which silicon becomes transparent is given by:

ν0 = ωp ÷ (2π)ν⁰ = 1.1 × 10¹⁶ Hz

Therefore, the frequency of electromagnetic radiation at which very pure silicon, at 300 K, should become transparent according to the Drude theory is 1.1 × 10¹⁶ Hz.

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Answer: Cross-cutting features are always younger than the surrounding rock.

When material erodes before sediment is deposited on it, a geologic gap results.

Explanation:

The options include:

1. An unconformity is created when lava pours out on Earth’s surface.

2. Faults are the result of volcanic activity.

3. Intrusions and extrusions are sedimentary formations.

4. Cross-cutting features are always younger than the surrounding rock.

5. When material erodes before sediment is deposited on it, a geologic gap results.

The law of superposition simply states that when there is a layers of rocks, we would see that the younger layers will lie and be on top of the layers that are older.

Other tools that can help scientist with relative dating are:

• Cross-cutting features are always younger than the surrounding rock.

• When material erodes before sediment is deposited on it, a geologic gap results.

Explanation:

It's on Edge

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

mass = 6,000 kg

acceleration = 8 m/s²

We have

force = 6,000 × 8 = 48,000

We have the final answer as

Hope this helps you

The Second Law of Thermodynamics states that the total entropy of an isolated system can only increase over time.

Thermodynamics is the branch of physics that deals with the relationships between heat, work, temperature and energy. It is the study of how energy is converted from one form to another and how it is used to do work. Thermodynamics is concerned with the transfer of energy from one object or system to another and how that energy can be transformed or converted into different forms. It also explores the relationships between entropy, temperature, and energy. Thermodynamics can also be used to predict how systems will behave when exposed to a given amount of energy. Thermodynamics is a powerful tool used to understand the behavior of natural systems and to develop efficient technologies.

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Answer: 1,562.5 Km

Explanation: If it takes one hour to travel 625 kilometers, then, in two and a half hours, you should travel 1,562.5 Kilometers because of 625x2.5=1562.5 kilometers

Answer:

27°C

Explanation:

We'll begin by converting 27 °C to Kelvin temperature. This can be obtained as follow:

T(K) = T(°C) + 273

Initial temperature (T₁) = 27 °C

Initial temperature (T₁) = 27 °C + 273

Initial temperature (T₁) = 300 K

Next, we shall determine the final temperature of the gas. This can be obtained as follow:

Initial volume (V₁) = 2 m³

Initial temperature (T₁) = 300 K

Initial pressure (P₁) = 1 atm

Final pressure (P₂) = 2 atm

Final volume (V₂) = 1 m³

Final temperature (T₂) =?

P₁V₁/T₁ = P₂V₂/T₂

1 × 2 / 300 = 2 × 1 / T₂

2/300 = 2/T₂

1/150 = 2/T₂

Cross multiply

T₂ = 150 × 2

T₂ = 300 K

Finally, we shall convert 300 K to celsius temperature. This can be obtained as follow:

T(°C) = T(K) – 273

T(K) = 300 K

T(°C) = 300 – 273

T(°C) = 27°C

Thus, the final temperature is 27°C

Answer:

\(V=1.76\times 10^{-4}\ V\)

Explanation:

Given that,

The diameter of a wire, d = 1.628 mm

Radius, r = 0.814  mm = 0.000814m

Current, I = 12.5 mA

The length of the wire, l = 2m

The resistivity of the wire, \(\rho=1.47\times 10^{-8}\ \Omega-m\)

We need to find the potential difference across the wire. We know that the resistance of the wire is given by :

\(R=\rho\dfrac{l}{A}\)

Also, V = IR

\(\dfrac{V}{I}=\rho\dfrac{l}{A}\\\\V=\dfrac{\rho l I}{A}\\\\V=\dfrac{1.47\times 10^{-8}\times 2\times 12.5\times 10^{-3}}{\pi \times (0.000814)^2}\\\\V=1.76\times 10^{-4}\ V\)

So, the potential difference of the wire is \(1.76\times 10^{-4}\ V\).

Answer:

W = F × d

W = 15 × 3

W = 45 Joules

The action extravaganza you are referring to, which had an Astronomical shooting ratio of 240:1 for its 120-minute running time, is "Mad Max: Fury Road."

Directed by George Miller, this film was released in 2015 and quickly became a notable entry in the action genre due to its impressive visuals, intense action sequences, and unique storytelling approach.

To achieve the spectacular results seen in the final cut of the movie, the production team captured an immense amount of footage, which then had to be meticulously edited down to the final runtime of 120 minutes. This high shooting ratio allowed the filmmakers to select the best takes and create an engaging, fast-paced narrative.

In summary, "Mad Max: Fury Road" is the action extravaganza with a shooting ratio of 240:1 for its 120-minute running time, which contributed to the film's success and solidified its status as a modern action classic.

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