The zygote eventually becomes a(n)
sperm
egg
baby
uterus
HURRY 30 MINUTES LEFT
(SCIENCE )

Answer:

8. GPE

9. KE

Explanation:

GPE=mgh

KE=(1/2)mv^2

We know, length of segment wave is half the wavelength .

Let, wavelength of wave is \(\lambda\).

So, length of segment will be \(\dfrac{\lambda}{2}\) .

Now, it is given that the string vibrates in four segments.

So,

\(L = 4\times \dfrac{\lambda}{2}\\\\L = 2\lambda\\\\\lambda = 1\ m\)

Speed can be given by :

\(speed = wavelength \times frequency\\\\speed = 1\times 120\ m/s\\\\speed = 120\ m/s\)

Therefore, the wave speed in the string is 120 m/s.

Answer: 1000

Explanation:

Its double her weight

This statement suggests that the ice undergoes a phase change from solid to liquid, indicating heat transfer.

All of the ice will melt, and the final temperature of the mixture will be 10°C.

If the surroundings were at a lower temperature than the ice, heat would flow from the ice to the surroundings, causing the ice to freeze instead of melt.

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Answer:

hey answer in the comment section

Atoms have no electric charge because they have an equal number of electrons and protons.

Explanation:

So from this, we can conclude that atoms have no electric charge because they have an equal number of electrons and protons. Option C is correct.

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The correct option is A. The source of information could be biased.

The scientist's conclusion is most likely unreliable because the sample used for the investigation is not representative or diverse enough to draw a generalized conclusion about the beliefs of the entire population.

Interviewing only 50 people who work in the local oil mine introduces a potential bias, as those individuals may have a vested interest in downplaying the impact of the mine on bird population decline.

Additionally, the sample size is relatively small, which reduces the statistical reliability of the conclusion.

To obtain a more accurate and reliable conclusion, a larger and more diverse sample should be used, including individuals from various backgrounds and perspectives, along with other data collection methods such as field surveys or scientific studies.

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Answer:

p=1

Explanation:

Well me know that v=m/s

and that a=m/s^2

so

\((m/s)^{2} = (m/s^2)(x^p)\\\\(m^2/s^2)/(m/s^2)=x^p\\\\m^2s^2/ms^2=x^p\\\\(m^2/m)(s^2/s^2)=x^p\\\\m=x^p\\\\p=1\)

Note: We don't take into account 2 because it's a scalar, it doesn't have units so it doesn't add anything to the equation.

Answer:

Electrical energy is transferred from the wall socket to the computer. Electrical energy is transformed to sound and light energy when the computer is turned on. Electrical energy is transformed to heat energy when the computer stays on.

According to special relativity, one can travel at increased rates. However, this is only possible when moving at very high speeds approaching the speed of light. When an object moves at high speeds, the time slows down, and the length of the object appears to be shortened.

These observations are known as time dilation and length contraction. Time dilation refers to the difference in the elapsed time measured by two observers, where one is stationary, and the other is moving at a constant velocity relative to each other. The faster the moving observer, the slower time appears to be for them. Length contraction, on the other hand, refers to the phenomenon where an object appears to be shorter in length when it's moving at high

This effect is more noticeable as the speed of the object approaches the speed of light. As a result, traveling at very high speeds can allow one to cover great distances in less time, which can be used for space exploration and other scientific research. However, it's worth noting that the effects of relativity are only noticeable at very high speeds, which are currently impossible to achieve with our current technology.

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Answer:

kinectic energy-in physics kinetic energy of an object is the energy that it possesses due to its motion

potential energy-in physics potential energy is the energy held by an object because of its position relative to other objects,its electric charge,or other factors

Answer:

Hey!

Well KINETIC ENERGY is...

the energy generated by the / of the object is that it possesses due to its motion...

POTENTIAL ENERGY is...

The energy held by an object because of its position relative to other objects,  its electric charge, or other factors...

Explanation:

So in easier terms, KINETIC ENERGY is just the ENERGY GENERATED BY THE OBJECT'S MOVEMENT and...

POTENTIAL ENERGY IS THE TOTAL AMOUNT OF ENRGY THAT THE OBJECT HOLDS (due to an electric charge etc)

Hope this helps!

Answer:

the answer is b that's my answer

Conservation of momentum

Pix = Pfx

m1= Archer's mass = 102.3 kg

v1 = Archer's velocity =

m2 = arrow's mass = 99g = 0.099 kg

v2f= arrow's velocity = 104.2 m/s

0= m1 v1 + m2 v2

V1= -( m2/m1) v2

V1 = - (0.099 kg /102.3 kg) *104.2 m/s

V1= - 0.1008 m/s

To determine the diameter of the cylindrical rod that can withstand a load of 650 N, we need to consider the yield strength of the material and the applied load. the diameter of the rod is approximately 11.62 mm.

By using the formula for stress (force divided by area) and rearranging it to solve for the diameter, we can find the required diameter of the rod.

The stress experienced by the rod can be calculated using the formula:

Stress = Force / Area

Given that the yield strength of the steel is 310 MPa, we can set up the equation:

310 MPa = 650 N / (π * (diameter/2)^2)

We can rearrange the equation to solve for the diameter:

diameter = √(650 N / (310 MPa * π)) * 2

Substituting the given values, we find:

diameter ≈ √(650 / (310 * 10^6 * π)) * 2 ≈ 11.62 mm

Therefore, the required diameter of the rod to withstand the load is approximately 11.62 mm.

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Answer:

Ok so I think i got it, Left is negative and so is down so if its facing down or left its negative force but if its right and up its positive so

A is neg

B is pos

C is Pos

D is Neg

E is Neg

f is Neg

Explanation:

hope that helps and have a great day

if it helps think about giving a good rating and branniest answer

Therefore, the angle between vectors `u` and `v` is 90°.

To find the angle between two vectors, we can use the formula:

`cos(θ) = (u . v) / (||u|| ||v||)`

Where u and v are vectors, `.` is the dot product of vectors and || || is the magnitude of a vector.θ is the angle between the two vectors.

In this problem, we need to find the angle between vectors `u` and `v`.

We have the following vector

s:u = (2, 3, 0) and v = (3, −2, 1)

Let's find the dot product of vectors `u` and `v`.u .

v = 2 × 3 + 3 × (−2) + 0 × 1

= 6 − 6 + 0

= 0

Let's now find the magnitudes of vectors `u` and `v`.||u|| = √(2² + 3² + 0²) = √(13) and

||v|| = √(3² + (−2)² + 1²)

= √(14)

Now, we can use the formula to find the angle between vectors `u` and `v`.cos(θ) = (u . v) / (||u|| ||v||)cos(θ)

= 0 / (√(13) × √(14))cos(θ)

= 0θ

= cos⁻¹(0)θ

= 90°

The angle between the vectors u = (2, 3, 0) and v = (3, −2, 1) is 90 degrees.

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Answer:

The friction of the moving object is proportional and perpendicular to the normal force

The friction of the moving object is proportional and perpendicular to the normal force. The friction experienced by the object is dependent on the nature of the surface it is in contact with. Friction is independent of the area of contact as long as there is an area of contact.

The impulse response of the LTI system is h(t) = u(t).Let's find the output for the given input and impulse response using the integral definition of the convolution, given as follows:x(t) h(t) = ∫x(τ)h(t-τ)dτWe have to consider two cases when t < 0 and t ≥ 0.

Case 1:

Case 2:

we can evaluate the integral:

In signal processing and control theory, the impulse response, or impulse response function, of a dynamic system is its output when presented with a brief input signal, called an impulse. More generally, the impulse response is the reaction of any dynamic system in response to some external change.

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this is a single displacement reaction

It's a single displacement because Cu and Au switched places while Cl stayed in the same spot

Answer:

6km/hr

Explanation:

Lets make a chart

   R.                                G

D  6km.                   6 /2=3km

S.  6/1/1= 12 km/h.    6km/h= 3/1/2  

T  1/2hr                       1/2hr

so 6km/hr hope that helps if it does please mark as brainliest.

Answer:

2nd statement is answer

Explanation:

Answer:

B. The positive charge of the protons in the nucleus equals the negative charge in the electron cloud.

Explanation:

got it right on t4l :D

     Power is, summarized, how fast something is done using energy. More specifically, power is the amount of energy transferred or converted per unit time.

     To determine power, you use the following formula:

                              \(P=\frac{W}{Δt}\)

(formatting is messed up, the denominator is Δt)

         P - power

         W - work

         Δt - elapsed time

     Hope this helps, have a wonderful day :D

The fine horizontal scratches etched onto a bullet after it has been fired are called Striations.

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The dimension of a physical quantity is the power to which the fundamental units must be raised to, to represent it. Mass, length, time, temperature, electric current, luminous intensity and amount of substance are the fundamental quantities

Temperature is a measure of the degree of hotness or coldness of an object or substance. It is a fundamental concept in physics, chemistry, and engineering and is one of the most commonly measured physical parameters in scientific and industrial applications. The temperature of an object or substance is related to the average kinetic energy of its particles. In other words, the faster the particles are moving, the higher the temperature.  

Temperature is measured using a variety of devices, including thermometers, thermocouples, and pyrometers. The most common unit of temperature is the Celsius (°C) scale, which is based on the freezing and boiling points of water. Another commonly used scale is the Fahrenheit (°F) scale, which is used primarily in the United States.

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Answer:

if it is moving or air is flowing over it yes

Explanation:

To calculate the work needed for a runner to accelerate, we can use the work-energy principle. The work done on an object is equal to the change in its kinetic energy.

The formula for work is given by:

\(Work = ΔKE = (1/2) * m * (vf^2 - vi^2)\)

Where:

- ΔKE is the change in kinetic energy

- m is the mass of the runner

- vf is the final velocity (8.0 m/s in this case)

- vi is the initial velocity (0 m/s as the runner starts from rest)

Let's substitute the given values into the formula and calculate the work:

\(m = 78 kg\)

\(vf = 8.0 m/s\)

\(vi = 0 m/s\)

Work = \((1/2) * 78 kg * (8.0 m/s)^2 - (0 m/s)^2\)

Simplifying the equation:

Work =\((1/2) * 78 kg * (64 m^2/s^2)\)

Work = 2496 J

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Answer:

B. Use the layers' thickness and the current rate of deposition to calculate the time.

Answer:

D. It is a guess about how something in nature happens.

Explanation:

Nature is not controlled by anyone else, so people have to guess in order to know if something happend in nature.

The third charge +Q should be placed at a distance of 2.8 times the distance between charge -Q and the origin (2a) in order for the net force on it to be zero.

To find the location where a third charge +Q can be placed so that the net force on it is zero, we need to consider the forces exerted by the other two charges.

Given:
- Charge +2Q is placed at the origin (x = 0).
- Charge -Q is placed at x = 2a.

To determine the position where the force on the third charge is zero, we need the magnitudes and directions of the forces exerted by the two existing charges.

The force between two charges is given by Coulomb's law:
F = k x (|q1|x|q2|) / r²

Where:
- F is the force between the charges,
- k is the Coulomb's constant (a constant value),
- |q1| and |q2| are the magnitudes of the two charges,
- r is the distance between the charges.

Let's analyze the forces exerted on the third charge by the other two charges:

1. Force exerted by charge +2Q:
- Magnitude: F1 = k x (|2Q| x  |Q|) / r1²
- Direction: Since the charges have the same sign, the force is repulsive and points away from charge +2Q.

2. Force exerted by charge -Q:
- Magnitude: F2 = k x (|Q| x |Q|) / r2²
- Direction: Since the charges have opposite signs, the force is attractive and points towards charge -Q.

For the net force on the third charge to be zero, the magnitudes of the forces must be equal:
F1 = F2

Simplifying this equation, we get:
k x (|2Q| x|Q|) / r1² = k x (|Q| x|Q|) / r2²

Cancelling out the constant k and simplifying further:
(|2Q| x |Q|) / r1^2 = (|Q| x |Q|) / r2²

Simplifying again, we can cancel out |Q| on both sides:
|2Q| / r1² = |Q| / r2²

Now, let's solve for r2 in terms of r1:

r2² = r1² x |Q| / |2Q|

Taking the square root of both sides:
r2 = r1 x √(|Q| / |2Q|)

Based on this equation, we can conclude that the distance between the third charge and charge -Q (r2) is equal to the distance between the third charge and the origin (r1) multiplied by the square root of the ratio of the magnitudes of the charges.

Now, let's compare the answer choices and find the option that satisfies this condition:

a) -2. 8a
b) 6. 8a
c) 1. 2a
d) 2. 8a

The correct answer is:
d) 2. 8a

Therefore, the third charge +Q should be placed at a distance of 2.8 times the distance between charge -Q and the origin (2a) in order for the net force on it to be zero.

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