If the allele frequency for the recessive single allele that causes a particular rare hair color is 0. 02, how frequently would you expect the hair color to be present in humans?.

Answer: the first is positive and second is equal

Explanation:

Answer: 1. Positive

Explanation:

Because there is negative charges and positive charges

Answer:

B

Explanation:

Let's see the formula

If q is positive it yeilds V or potential as positive hence it is at zero potential

Option B is correct

I= V/R

R= V/I these are the other two quantities

The bomber aircraft must drop the bomb at an angle of sight of 45 degrees to hit the target when flying horizontally at a height of 9.5 km and a speed of 1800 km/h.

It is important to clarify that the initial part of the question is unclear and seems unrelated to the second part about the bomber aircraft. Nevertheless, I will provide an answer based on the information provided in the second part.When the bomber aircraft is flying horizontally at a height of 9.5 km (9500 meters) above a target, and its speed is given as 1800 km/h, we can determine the angle of sight at which it must drop a bomb to hit the target.To find the angle of sight, we need to consider the motion of the aircraft and the effect of gravity on the bomb. When the bomb is released, it will follow a curved trajectory due to the horizontal motion of the aircraft and the downward acceleration caused by gravity.The horizontal distance traveled by the bomb will be equal to the horizontal speed of the aircraft multiplied by the time it takes for the bomb to reach the ground. We can calculate the time using the equation:

time = height / vertical velocity

Given that the height is 9500 meters and the vertical velocity can be determined by converting the speed from km/h to m/s:

vertical velocity = 1800 km/h * (1000 m/1 km) * (1 h/3600 s) = 500 m/s

Substituting the values into the equation, we get:

time = 9500 m / 500 m/s = 19 seconds

Now, we can calculate the horizontal distance traveled by the bomb using the equation:

horizontal distance = horizontal speed * time

horizontal distance = 1800 km/h * (1000 m/1 km) * (1 h/3600 s) * 19 s = 9500 meters

Since the bomber aircraft is directly above the target, the horizontal distance traveled by the bomb is the same as the distance to the target. Now we can determine the angle of sight.Using trigonometry, the angle of sight can be calculated as:

angle of sight = arctan(horizontal distance / height)

angle of sight = arctan(9500 m / 9500 m) = arctan(1) = 45 degrees

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Under the Big Top elephant, Ella (2500 kg), is attracted to Phant, the 3,000 kg elephant. They are separated by 8

The speed of the raft when the 40 kg boy dives horizontally off it at a speed of 4.0 m/s is 0.60 m/s.

According to the law of conservation of momentum, the total momentum before the boy jumps off the raft is equal to the total momentum after he jumps off. The momentum of an object is given by the product of its mass and velocity.

Let the initial velocity of the raft be v (which is what we need to find), and the final velocity of the boy be v_boy = 4.0 m/s. The mass of the boy is 40 kg, and the mass of the raft is 600 kg.

Before the boy jumps off, the total momentum is the sum of the momentum of the boy and the momentum of the raft. After the boy jumps off, the momentum of the boy becomes zero, and only the momentum of the raft remains.

The initial momentum is given by the product of the mass and velocity of the boy: momentum_initial = 40 kg * 4.0 m/s.

The final momentum is the product of the mass and velocity of the raft: momentum_final = 600 kg * v.

Since momentum is conserved, we can equate the initial momentum to the final momentum: momentum_initial = momentum_final.

40 kg * 4.0 m/s = 600 kg * v.

Simplifying the equation, we find: v = (40 kg * 4.0 m/s) / 600 kg.

Calculating this, we get v ≈ 0.2667 m/s, which can be rounded to 0.26 m/s.

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Answer:

its 3rd one I'm pretty sure

Explanation:

Answer:

The value is \(P = 14.7 \ N\)

Explanation:

From the question we are told that

    The weight of the hollow cylinder is  \(W = 40 \ N\)

     The radius of the hollow cylinder is  \(r = 0.25 \ m\)

       The distance which it is pulled is  \(d = 5 \ m\)

       The velocity of the end of the rope  is  \(v = 6 \ m/s\)

Gnerally the mass of the hollow cylinder is  

      \(m = \frac{W}{g }\)

=>    \(m = \frac{ 40 }{ 9.8 }\)

=>    \(m = 4.081 \ kg\)

Generally angular displacement for the distance covered is mathematically represented as

        \(\theta = 2 \pi * \frac{ d } {2\pi r }\)

=>     \(\theta = 2 \pi * \frac{ 5 } {2\pi r }\)

=>     \(\theta = \frac{ 5 } { 0.25}\)

=>   \(\theta =20\)

Generally the torque experienced  by the hollow cylinder is mathematically represented as

     \(P * r = I * \alpha\)

Here I  is the moment of inertia

=>   \(P * r = m r^2 * \alpha\)

=>    \(\alpha = \frac{P }{ mr }\)

Generally from kinematic equation

     \(w_f ^2 = w_i ^2 + 2\alpha \theta\)

=>  \(w_f ^2 = w_i ^2 + 2\alpha \theta\)  

Generally the  final angular velocity is mathematically

      \(w_f = \frac{v}{r}\)

=>    \(w_f = \frac{ 6 }{ 0.25 }\)

=>    \(w_f = 24 \ m/s\)

Generally the  initial  angular velocity is Zero given that the hollow cylinder was at rest before rolling

     \(24^2 = 0^2 + 2* \frac{P}{4.081 *0.25 } * 20\)

=>   \(24^2 = 0^2 + 2* \frac{P}{mr} * 20\)

=>   \(P = 14.7 \ N\)

The isotope that would best be used for dating the age of the earth is carbon-14.

These isotopes decay within rocks according to their half-lives, and by choosing appropriate minerals and measuring the relative abundance of their parent and daughter isotopes the date the rock crystallized can be determined. Carbon-14 is a radiocarbon isotope used for the carbon dating of fossils.

The most common radioactive cosmic ray-producing isotope is the carbon of mass 14 and provides a way to date events that have occurred in the last 60,000 years. This period includes a significant portion of the human historical and prehistoric records. Carbon dating is only accurate for objects thousands to tens of thousands of years old. Most of the interesting rocks are much older than this. Therefore, geologists should use elements with long half-lives.

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Answer:

In today's world pollution is very high so alternative energy such as solar energy help us to make pollution free world. So it is necessary to use alternative energy.

Calculating the speed (S) in meters per second for a deep-water wave with a wavelength (L) of 351 meters and a period (T) of 15 seconds, we will use the formula for wave speed in deep water.

Which is given as'S = L / Twhere; S is the speed of the wave in meters per second L is the wavelength of the wave in meters T is the period of the wave in seconds Using the values given in the question, we can now calculate the speed (S) as follows; S = L / TS = 351 / 15S = 23.4 meters per second.

Therefore, the speed of the deep-water wave with a wavelength of 351 meters and a period of 15 seconds is 23.4 meters per second.

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This statement is false that If you were trying to get out of the way of a storm, you would need to know the speed at which it was moving.

If you were trying to get out of the way of a storm, you would need to know the velocity at which it was moving because,

However the mathematical formula doesn't make any difference,

\(S=\frac{d}{t}\) or \(V=\frac{d}{t}\)

d= This is the distance the storm going to cover.

t= The time within the storm going to cover the distance.

S and V is the speed and velocity of the storm respectively.

Seeing the mathematical formula we cannot make difference. But from the definition we can surely conclude that If you were trying to get out of the way of a storm, you would need to know the velocity at which it was moving. Because to get out of the way of the storm not only we have to know the path but also we have to know the storm's direction of movement.

So from the above discussion we can conclude that this statement is false.

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The two forms of electromagnetic radiation that penetrate the Earth's atmosphere best are visible light and radio waves.

Visible light is a form of electromagnetic radiation that is visible to the human eye. It includes the colors of the rainbow ranging from red to violet. Visible light has relatively high energy and shorter wavelengths compared to other forms of radiation. It can easily pass through the atmosphere without being significantly absorbed or scattered, allowing us to see objects and receive sunlight on Earth. Radio waves are another form of electromagnetic radiation with longer wavelengths and lower energy than visible light. They are commonly used for communication and broadcasting purposes. Radio waves can penetrate the atmosphere with little attenuation or interference. They are not easily absorbed or scattered by atmospheric gases, which allows for long-distance transmission and reception of radio signals. Both visible light and radio waves have characteristics that enable them to traverse the atmosphere relatively unaffected. Their ability to penetrate the atmosphere makes them valuable for various applications, including telecommunications, remote sensing, astronomy, and everyday visual perception.

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Answer:

Less than

Explanation:

Because a dekameter has a higher vantage point than kilometer as a kilometer has a lower vantage point

Answer: a dekameter is actually 10 yrds while 1 kilometer is actually 4 to 5 miles

Explanation:

Answer:

\(\large \boxed{\text{761 kJ}}\)

Explanation:

You calculate the energy required to break all the bonds in the reactants.

Then you subtract the energy needed to break all the bonds in the products.

                        N₂  +   O₂   ⟶         2NO

                     N≡N  + O=O ⟶       2O-N=O

Bonds:         2N≡N   1O=O        2N-O + 2N=O

D/kJ·mol⁻¹:     941      495           201      607

\(\begin{array}{rcl}\Delta H & = & \sum{D_{\text{reactants}}} - \sum{D_{\text{products}}}\\& = & 2 \times 941 +1 \times 495 - (2 \times 201 + 2\times 607)\\&=& 2377 - 1616\\&=&\textbf{761 kJ}\\\end{array}\\\text{The enthalpy of reaction is $\large \boxed{\textbf{761 kJ}}$}.\)

The data set that is most likely from the car equipped with ABS is :

Although the plots related to your question is missing attached below is the missing data.  

The First plot ( acceleration vs time ) plot is the data that represents the application of brakes in a car fitted with ABS ( antilock braking system ) because of the absence of skidding effect between 6.5 and 9 seconds in the graph.

The skidding effect is present in the second plot around the same time because the car is not fitted with ABS  

Hence we can conclude that the graph that shows the car fitted with ABS is the first plot .

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The answers include the following:

This is referred to as the long-term shifts in temperatures and weather patterns in an area at a given period of time.

Human activities are responsible as the major cause of climate change which is experienced in different parts of the world and such activities include carbon emission, deforestation etc.

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The percentage of mass is electrons in carbon-12 is 50, 02%.

Every  element's atomic mass is expressed in terms of the atomic mass unit (AMU or amu). The AMU expresses both the atomic masses and the molecular masses and is commonly  referred to as the dalton (Da) or unified atomic mass unit (u). AMU is explained  as being one-twelfth the mass of a carbon-12 atom (12C). A carbon-12 atom's mass is precisely 1/12 of an atomic mass unit. The nucleus of an atom of carbon-12 contains six neutrons and six protons. It's written as a.m.u or u. (unified). Atomic masses are expressed using this unit of mass. The average of the neutron rest mass and the proton rest mass is 1 a.m.u. The carbon-12 atom contains 6 protons, neutrons, and electrons. The mass proportion of neutrons is therefore equal to: 6x1.0087/(6x1.0087+6x1.0073+6x5.4858x10^-4)=0.50021110822=50,021110822%.

Solution: 50, 02%.

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A 2500-lb vehicle has a drag coefficient of 0.31 and a frontal area of 20 ft2, and the minimum tractive effort  = 214.051 lb.

To find the minimum tractive effort,

Vehicle weight  is 2500 lb

Drag coefficient is 0.31

Frontal area 20 ft^2

Vehicle speed is 50 mi/hr = 73.33 ft/sec

Gradient - 5%

Air density = 0.002045 slugs/ft^3

Drag force is a type of fluid force that opposes the motion of an object moving through a fluid (liquid or gas). It is a frictional force that acts in the direction opposite to the velocity of the object.

The magnitude of the drag force depends on several factors, including the velocity of the object, the density of the fluid, the cross-sectional area of the object, and the shape of the object.

In aerodynamics, drag force is a major factor in the design and performance of aircraft, as it can significantly affect the lift-to-drag ratio, fuel efficiency, and overall speed of the aircraft.

Drag force is given as,

Fd = 1/2CdρAV²

=  0.5× 0.31 × 0.002045× 20× 88²

= 49.093 lb.

Force due to vehicle weight,

Fw = 0.01 ( 1+ υ/147)W

= 0.01 ( 1 + 88/147) 2500

= 39.965 lb.

Force due to gradient

Fg = W × g

= 2500 × 0.05

= 125 lb

Minimum tractive effort

F = Fd + Fw +Fg

= 49.093 + 39.965 + 125

= 214.051 lb

Therefore, A 2500-lb vehicle has a drag coefficient of 0.31 and a frontal area of 20 ft2, and the minimum tractive effort  = 214.051 lb.

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Answer:

Answer:

the ion of an atom will have a different charge but the same mass.The isotope of an atom will have a different mass

The statement that compares the atom of an element to an ion and isotope is: the ion of an atom will have a different charge but the same mass. The isotope of an atom will have a different mass.

Therefore, the statement that compares the atom of an element to an ion and isotope is: the ion of an atom will have a different charge but the same mass. The isotope of an atom will have a different mass.

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Answer:

b) downward. Correct choice

Explanation:

Projectile Motion

It's known as the type of motion that experiences an object that is projected near the Earth's surface and moves along a curved path exclusively under the action of gravity.

The gravity manifests through the acceleration of gravity g whose value is \(9.8 m/s^2\) and points downward. The object will eventually fall to the ground at a time and speed which depends on the initial speed and launch angle.

When the bullet is fired regardless of the initial speed and angle, the only acceleration of the system is g, thus:

b) downward. Correct choice

The acceleration acts on the bullet will be the acceleration due to gravity that is g and has a downward direction.

Since the bullet is fired at an angle of 45 so the bullet will travel in a projectile. So every point in time the acceleration due to gravity will act on the bullet.

After some point in time, the bullet will come to the surface of the earth as the energy in the bullet will reduce.

As we know that anything present on the earth is under the influence of the earth's gravity.

So the fired bullet will experience acceleration due to the gravity of the earth and the direction of the acceleration will always be downwards.

So the bullet will eventually fall to the ground at a time and speed which depends on the initial speed and launch angle.

Thus the acceleration acts on the bullet will be the acceleration due to gravity that is g and has a downward direction.

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Answer:

the answer of this question is iii .

if the answer is wrong so sorry

Answer:

im not sure but from few stuffs i read online i will try and answer

Explanation:

The pod may be heavier or lighter than normal, depending on the number of

asteroid samples.

• Based on everyday experience, heavier objects are more difficult to move as

compared to lighter objects, which are easier to move

This pod moved differently because it was more massive. The kids in other missions were less massive, so the thursters stopped the pod. The thrusters were supposed to do stop the pod, but since it was more massive it only slowed. The force exerted by the thrusters wasn't great enough to stop the pod.

After the universe's 13.7 billion year old Big Bang, it has gone through numerous phases or epochs.

It may have experienced more activity and change in the first second than in all the billions of years since because of the harsh environment and violence of its very early beginnings.

We can construct a rough timeline as follows using our current understanding of how the Big Bang might have developed, taking into account notions about inflation, the Grand Unification, etc.

The Planck Epoch (or Planck Era), which spans from 0 to around 10-43 seconds (1 Planck Time), is the closest that modern physics can come to the beginning of time itself.

Therefore, After the universe's 13.7 billion year old Big Bang, it has gone through numerous phases or epochs.

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The magnitude of the average force you need to apply to stop the sled is approximately 352 N.

To find the average force required to stop the sled, we can use the concept of impulse and momentum. The impulse experienced by an object is equal to the change in momentum it undergoes. In this case, the sled's initial momentum is given by the product of its mass and velocity.

The change in momentum is equal to the final momentum minus the initial momentum. Since the sled comes to a stop, its final momentum is zero. Therefore, the change in momentum is equal to the negative of the initial momentum.

The impulse applied to the sled is equal to the product of the average force and the time interval over which the force is applied. Setting the impulse equal to the change in momentum, we can solve for the average force.

Plugging in the given values, which include the sled's mass and velocity, as well as the duration of the force application, we find that the magnitude of the average force needed to stop the sled is approximately 352 N.

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Answer:

c.

Explanation:

From the options provided the best description of scissor is that scissors helps to scrap things down. This is the main purpose of scissors, to cut things, and by doing so you are breaking up a larger object into smaller and more manageable scraps. We can get rid of the other options because scissors are made of metal and therefore not soft and are not necessarily dull since they need to be sharp to fulfill their purpose. Although a pair of scissors has two holes it is not necessarily the best description of it.