__________ are essential components of any personal training plan.
A.
Intensity and protein
B.
Steroids and rest
C.
Rest and recovery
D.
Overload and fasting

The net force is the last aspect of an object's motion that is uniformly circular. The circle's center is the direction in which the resultant force acting on such an object is pointed.

One of two forms of circular motion exists: uniform circular motion. While a rate of rotation changes with non-uniform motion, the angular rate of rotation & speed are constant throughout uniform circular motion. In circular motion, the velocity vector reverses direction at every curve point.

This means that in order for something to move in a circular manner, there must be a force that is "center seeking"; otherwise, it would move in a straight line rather than the curved path of a circule. The force felt by an object moving in a circle is referred to as centripetal force since centripetal means "center seeking."

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Answer:

  58.7Ω

Explanation:

You want the equivalent resistance of 40Ω in series with the parallel combination of 25.4Ω and 70.8Ω.

The equivalent resistance of two parallel resistors, r1 and r2 is ...

  req = 1/(1/r1 +1/r2)

For the two given parallel resistors, that is ...

  1/(1/25.4 +1/70.8) ≈ 18.69 . . . . ohms

The circuit has a 40Ω resistor in series with this, so the equivalen resistance is ...

  40 +18.69 = 58.69Ω ≈ 58.7Ω

__

Additional comment

Since the given resistor values are expressed to 0.1 ohms, we have rounded the answer to the same precision. The exact value is 141158/2405 as shown in the calculator display—assuming the given values are exact.

Answer:

Moved away from the nucleus

The width of the north wall that is visible in the mirror is approximately 0.53 meters.

In this diagram, the mirror is shown as a vertical line, and the distance between the mirror and the organist is given as 0.62 m. We want to find the width of the north wall that is visible in the mirror. First, we can use the law of reflection to determine the angle at which the mirror reflects light. The angle of incidence (i) is equal to the angle of reflection (r), and both angles are measured relative to the normal (a line perpendicular to the mirror surface) at the point of incidence.

In this case, the angle of incidence is the angle between the line connecting the organist to the mirror and the normal, and the angle of reflection is the angle between the line connecting the mirror to the choir and the normal. Since the two lines are parallel, their angle relative to the normal is the same, so the angle of incidence equals the angle of reflection. The angle between the mirror and the line connecting the organist to the mirror is:

θ = tan^(-1)(0.6 m / 0.62 m) ≈ 44.9°

Therefore, the angle of incidence and reflection are both 44.9 degrees.

Next, we can use trigonometry to find the height of the mirror (which is the same as the height of the image of the choir in the mirror). The height of the mirror is given by,

h = 2 * d * tan(θ)

where d is the distance between the mirror and the choir (which is also the distance between the mirror and the north wall).

d = 6.00 m - 0.62 m = 5.38 m

h = 2 * 5.38 m * tan(44.9°) ≈ 6.95 m

Therefore, the height of the image of the choir in the mirror is approximately 6.95 meters.

Finally, we can use similar triangles to find the width of the north wall that is visible in the mirror. The ratio of the width of the image of the choir in the mirror to the distance between the mirror and the choir is equal to the ratio of the width of the visible portion of the north wall to the distance between the organist and the mirror.

Let w be the width of the visible portion of the north wall, then:

w / 0.62 m = 0.6 m / h

w = 0.62 m * (0.6 m / h) ≈ 0.53 m

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Answer:

Gravitational field strength =weight/mass

Explanation:

14.8N/4.0kg

3.7N/kg

Answer:

2980 N

Explanation:

The fundamental frequency of a string is:

f₁ = √(T/µ) / (2L)

78 Hz = √(T / (0.03 kg/m)) / (2 (2.02 m))

315.12 m/s = √(T / (0.03 kg/m))

99,300 m²/s² = T / (0.03 kg/m)

T = 2980 N

Answer:

b is correct!!!!!!!!!!!

The best transport electrons around an electrical circuit are connected in series. Thus, the correct answer would be option (B) are connected in series.

An alternating current (AC) circuits continuously switches the direction of electron flow back and forth, which can result in fluctuations in voltage and current.

On the other hand, in a direct current (DC) electrical circuit, the electrons flow in one direction, from the negative terminal of the power source to the positive terminal. This unidirectional flow of electrons provides a consistent and stable flow of electricity throughout the circuit.

Connecting components in series mean that they are connected end-to-end, and the current flowing through them is the same.

Overall, the best option to transport electrons around an electrical circuit are to connect in series.

Therefore, the correct answer would be option (B) are connected in series.

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Answer:

39225J

Explanation:

Given parameters:

Mass of water  = 375grams of water

Change in temperature  = 25°C

Specific heat capacity of water  = 4.184J/g°C

Unknown:

Amount of heat absorbed  = ?

Solution:

To solve this problem, we use the expression below:

      H  = m c Ф  

H is the heat absorbed

m is the mass

c is the specific heat capacity

Ф is the change in temperature

  Insert the parameters and solve;

      H  = 375 x 4.184 x (25) = 39225J

It makes sense for the valence electrons to stay the same within a group because these elements have same chemical properties.

We have a group from Periodic table.

We have to investigate the reason behind the fact that why elements with same number of valence electrons share the same group.

Periodic Table is a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (similar chemical properties) appear in vertical columns.

According to the question -

It is true that the number of valence electrons in the outermost shell of the elements of same group are equal. The number of valence electrons in the outermost orbit of the elements of the same group is same as the group number to which they belong. The elements in the same group have same number of valence electrons in their outermost shell. Due to this the elements have almost same Physical properties, Chemical properties and Reactivities of the elements.

Hence, it makes sense for the valence electrons to stay the same within a group because the elements in the same group have same properties.

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Answer:

B

Explanation:

because it has more power

The Model A represents a neutral atom. hence option A is correct.

Atom is smallest entity of a body. Body is made up of atoms. it is basic building block of a body. An atom consist of electrons, protons and neutrons as sub atomic particle. whole mass of the atom is concentrated at the center of the atom which we call it as nucleus, nucleus consist of proton and neutron. Electron revolve around the nucleus at determined(fixed) orbit. Total number of protons in the atom decides the atomic number and the elements in the periodic table. The electrons which are completely filled orbitals are called as core shell electrons and which are not filled completely are called as valence electron. valence electrons are responsible for physical and chemical properties of the element. Elements which are on same column in periodic table have same number of valence electrons . Hence they have same properties.

Atomic number of Nitrogen is 7. Hence neutral atom of nitrogen has 7 electrons in his orbits.

Hence option A is correct.

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The reporter was standing approximately 40 meters away from the movie star, confirming trespassing.

To determine the distance between the movie star and the reporter, we can use the concept of similar triangles. The height of the movie star on the film (8.25 mm) is proportional to her actual height (1.75 m). Let's set up the proportion:

(Height on film) / (Actual height) = (Distance on film) / (Actual distance)

Plugging in the given values, we have:

8.25 mm / 1.75 m = (Distance on film) / (Actual distance)

To solve for the actual distance, we need to convert the height on film to meters. Since there are 1,000 mm in a meter, we divide 8.25 mm by 1,000:

8.25 mm / 1,000 = 0.00825 m

Now we can solve for the actual distance:

0.00825 m / 1.75 m = (Distance on film) / (Actual distance)

Simplifying the equation, we get:

(Actual distance) = (Distance on film) * (1.75 m / 0.00825 m)

(Actual distance) = (Distance on film) * 212.12

Given that the focal length of the camera lens was 210 mm, we can determine the distance on film:

(Distance on film) = (Focal length) / (Scale factor)

(Distance on film) = 210 mm / 1

(Distance on film) = 210 mm

Plugging this value into the equation for actual distance, we get:

(Actual distance) = 210 mm * 212.12

(Actual distance) ≈ 44,756 mm

Converting the actual distance to meters, we divide by 1,000:

(Actual distance) ≈ 44.756 m

Therefore, the reporter was standing approximately 44.756 meters away from the movie star, confirming trespassing.

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Kirk's use of math skills in organizing, analyzing, and presenting data is essential for the success and integrity of his scientific investigation.

The correct answer is option B.

Kirk is using his math skills to organize and present his data (Option B). Math skills are integral to the scientific investigation process, particularly when it comes to data analysis, interpretation, and visualization. Here's an explanation of how Kirk is using math skills in his investigation:

1. Organizing Data: Kirk likely collects raw data during his investigation, such as measurements, observations, or experimental results. To make sense of this data, he needs to organize it systematically. This involves using math skills to categorize, sort, and arrange the data in a structured manner, such as in tables or spreadsheets.

2. Analyzing Data: Once Kirk has organized his data, he needs to analyze it to draw meaningful conclusions. This often involves applying various mathematical techniques, such as calculating averages, percentages, standard deviations, or performing statistical analyses. These calculations help identify patterns, trends, and relationships within the data, enabling Kirk to make informed interpretations.

3. Presenting Data: Kirk uses his math skills to visually represent his data through graphs, charts, or diagrams. By selecting appropriate types of graphs (e.g., bar graphs, line graphs, scatter plots), he can effectively communicate the relationships and trends observed in the data to others. Additionally, he may employ mathematical principles, such as scaling the axes, determining appropriate intervals, and using labeling or legends, to ensure accurate and clear representation.

4. Drawing Conclusions: Kirk's mathematical skills are crucial in drawing conclusions from his data. He may use mathematical models, equations, or formulas to analyze the data and test hypotheses. By applying mathematical reasoning, Kirk can determine if his data supports or contradicts his initial hypotheses or research questions.

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Given :

A 1200 kg car travelling at 45 m/s slams on its breaks and slides to a stop.

If the coefficient of kinetic friction between the car and the road is 0.85 .

To Find :

How far the car slides.

Solution :

Acceleration is given by :

\(ma = \mu_kmg\\\\a = \mu_kg\\\\a = 0.85\times 10\ m/s^2\\\\a = 8.5\ m/s^2\)

Distance covered is :

\(2as=u^2-v^2\\\\s = \dfrac{u^2-v^2}{2a}\\\\s=\dfrac{45^2-0^2}{2\times 8.5}\\\\s=119.12\ m\)

Therefore, distance covered is 119.12 m.

Hence, this is the required solution.

Use formula of resistance for Parallel circuit

(refer to photo)

V = I * R

Voltage = Current * Resistance

I hope this helped.

Magnetic field lines always start at a magnetic north pole and end at a magnetic south pole.

This is because magnetic field lines are imaginary lines that show the direction of the magnetic field at different points in space. Since magnetic field lines always form closed loops, they must start at one pole of a magnet and end at the other pole. When a compass needle is suspended in a magnetic field, it aligns itself with the magnetic field lines and points towards the magnetic north pole. However, it's important to note that the magnetic north pole is not the same as Earth's geographic north pole, which is the point on Earth's surface that is farthest from its equator. The magnetic north pole is constantly moving due to changes in Earth's magnetic field, while the geographic north pole remains fixed.

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Answer:

The skater has mechanical/gravitational potential energy at the two meter mark. The skater gets to two meters high on the other end of the ramp. In terms of the conservation of energy, the skater will never go higher than two meter on the other end of the the ramp because energy can be neither created nor destroyed.

Explanation:

I hoping it is right!!!∪∧∪     ∪ω∪

Answer:

the reason it wont go higher is because some of the energy converts into thermal energy

Explanation:

I'm the energy master

The wind direction and speed in Buffalo, NY in 12 hours will be from the south at 5 to 8 mph. The wind will become west in the afternoon.

The temperature will be a high of 78 degrees Fahrenheit. The sky will be sunny. There is no chance of precipitation.

The wind direction and speed in Buffalo, NY in 12 hours will be from the south at 5 to 8 mph. This means that the wind will be blowing from the south towards the north. The wind speed will be between 5 and 8 miles per hour. The wind will become west in the afternoon. This means that the wind will start blowing from the west towards the east. The temperature will be a high of 78 degrees Fahrenheit. This means that the temperature will be warm and comfortable. The sky will be sunny. This means that there will be no clouds in the sky and the sun will be shining. There is no chance of precipitation. This means that it will not rain or snow.

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Answer:

Protons

Neutrons

Electrons.

Protons + charge(positively charged)

Neurons no charge.

Electrons - ( negatively charged).

Explanation:

Atom is the smallest unit of a matter that constitutes chemical elements.

It is composed of three particles which are protons,neutrons and electrons.

Protons is positively charged,neuron has no charge and electrons is negatively charged.

Proton and neuron are found in the nucleus while electron is found outside the neuron.

The main sequence lifetime of a star with a mass of 1.75 solar masses and 8.7 solar luminosities is approximately \(3.0 * 10^1^0\) years.

The main sequence lifetime of a star depends on its mass and luminosity. For a star with a mass of 1.75 solar masses and a luminosity of 8.7 solar luminosities, we can estimate its main sequence lifetime. The main sequence lifetime refers to the time a star spends fusing hydrogen into helium in its core, which is the longest and most stable phase of a star's life.

Using stellar models and calculations based on stellar evolution theory, astronomers have determined that stars with a mass of 1.75 solar masses and a luminosity of 8.7 solar luminosities have a main sequence lifetime of approximately \(3.0 * 10^1^0\) years. This means that the star will spend about 30 billion years in the main sequence phase before undergoing further evolution.

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Some wave energy can be blanked through the other side in the process

known as Diffraction.

This usually occurs when a wave comes in contact with an obstacle. The

wave will bend itself around the corners of the obstacle so as to enable

its propagation to continue.

The obstructed wave can also pass through an aperture or hole if present

which is one of the important characteristics of waves.

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The tension T in the string just after the objects are released must be equal and opposite to the accelerations of each mass.

The statement refers to a physical principle known as Newton's third law of motion, which states that for every action, there is an equal and opposite reaction.

In the context of the given statement, it means that the tension (T) in the string, which is the force transmitted through the string, must be equal in magnitude and opposite in direction to the accelerations of each mass.

When objects are released and allowed to move under the influence of gravity, they may be connected by a string or rope. As the objects accelerate due to the force of gravity, the tension in the string changes to keep the objects connected and moving together.

According to Newton's third law, the tension in the string must be equal and opposite to the accelerations of each mass.

If one of the objects has a greater acceleration, the tension in the string must be higher on that side to counteract the greater acceleration.

Similarly, if one of the objects has a lower acceleration, the tension in the string must be lower on that side. This ensures that the net force on each object is balanced and that they move together without breaking the string.

This is because Newton's Second Law states that the sum of the forces on an object is equal to the mass times the acceleration: F = ma. Therefore, the tension T must be the same for both masses, since their accelerations must be equal and opposite.

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Answer:

System management

Explanation:

To determine the effort needed to raise the 300 lbs rock using a 10ft branch as a lever, we can apply the principle of the lever and the concept of torque.

The formula for calculating torque is:

Torque = Force × Distance

In this case, the fulcrum is acting as the pivot point, and the effort is applied at the end of the branch. The weight of the rock is the resistance, acting 3 ft from the fulcrum. Let's denote the effort as "E" and the unknown torque as "T."

Since the system is in equilibrium, the torque exerted by the effort must equal the torque exerted by the weight of the rock:

Torque of Effort = Torque of Weight

E × 10ft = 300 lbs × 3 ft

E × 10 = 900

E = 90 lbs

Therefore, an effort of 90 lbs would be needed to raise the 300 lbs rock using the 10ft branch as a lever, with the rock positioned 3 ft from the fulcrum.

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The pair of quantities expressed in the same units of measure is B. work and energy. Work and energy are both expressed in the same units of measure.

Both work and energy are measured in joules (J) in the International System of Units (SI). Joules represent the amount of energy transferred or work done.

Work is defined as the transfer of energy that occurs when a force is applied to an object and causes it to move in the direction of the force. The work done on an object is equal to the force applied multiplied by the distance over which the force is exerted. The unit of work, joules, represents the amount of energy transferred.

Energy, on the other hand, is the ability to do work or transfer heat. It exists in various forms, such as kinetic energy (energy of motion), potential energy (energy stored due to position), and thermal energy (energy associated with temperature). Energy is also measured in joules.

Friction and weight, mentioned in option A, are not expressed in the same units of measure. Friction is a force and is typically measured in newtons (N), while weight is a force caused by gravity and is also measured in newtons.

Therefore, the pair of quantities expressed in the same units of measure is B. work and energy.

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The question is not complete. The complete question is :

During a certain period of time, the angular position of a rotating object is given by \($\theta =2t^2 +10t+5$\), where θ is in radians and t is in seconds.  Determine the angular position, angular speed, and angular acceleration of the door (a) at t = 0.00 seconds, (b) at t = 3.00 seconds.

Solution :

Given :

Displacement or angular position of the object, \($\theta =2t^2 +10t+5$\)

∴ Angular speed is   \($\omega = \frac{d \theta}{dt}$\)

                                 ω = 10 + 4t

And angular acceleration is \($\alpha = \frac{d \omega}{dt}$\)

                                              α = 4

a). At time, t = 0.00 seconds :

   Angular displacement is \($\theta =2t^2 +10t+5$\)

                                            \($\theta =2(0)^2 +10(0)+5$\)

                                               = 5 rad

  Angular speed is  ω = 10 + 4t

                                 ω = 10 + 4(0)

                                     = 10 rad/s

Angular acceleration is α = 4 \($rad/s^2$\)

b). At time, t = 3.00 seconds :

   Angular displacement is \($\theta =2t^2 +10t+5$\)

                                            \($\theta =2(3)^2 +10(3)+5$\)

                                               = 53 rad

  Angular speed is  ω = 10 + 4t

                                 ω = 10 + 4(3)

                                     = 22 rad/s

Angular acceleration is α = 4 \($rad/s^2$\)

The conclusion are a) You need not bring a wetsuit. b) ~p & ~q c) N/A d)  N/A of the argument

a.
Premise 1: The water is 75 degrees.
Conclusion: You need not bring a wetsuit.

b.
Premise 1: ~(p v q)
Conclusion: ~p & ~q

c.
Premise 1: "Whom best I love I cross; to make my gift, The more delay'd, delighted. Be content;"
Conclusion: N/A

d.
Premise 1: "For nothing worthy proving can be proven, Nor yet disproven"
Premise 2: Therefore, one should be wise and "cleave ever to the sunnier side of doubt"
Conclusion: N/A

Argument (a):

1. The water is 75 degrees.
Conclusion: You do not need to bring a wetsuit.

Argument (b):

1. ~(p v q) is truth-functionally equivalent to ~p & ~q.
Conclusion: They are always true together or false together, no matter what the truth values of p and q are.

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The conclusion are a) You need not bring a wetsuit. b) ~p & ~q c) N/A d)  N/A of the argument

a.
Premise 1: The water is 75 degrees.
Conclusion: You need not bring a wetsuit.

b.
Premise 1: ~(p v q)
Conclusion: ~p & ~q

c.
Premise 1: "Whom best I love I cross; to make my gift, The more delay'd, delighted. Be content;"
Conclusion: N/A

d.
Premise 1: "For nothing worthy proving can be proven, Nor yet disproven"
Premise 2: Therefore, one should be wise and "cleave ever to the sunnier side of doubt"
Conclusion: N/A

Argument (a):

1. The water is 75 degrees.
Conclusion: You do not need to bring a wetsuit.

Argument (b):

1. ~(p v q) is truth-functionally equivalent to ~p & ~q.
Conclusion: They are always true together or false together, no matter what the truth values of p and q are.

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The kinetic energy of a proton entering a uniform magnetic field that is perpendicular to the proton's velocity remains the same.

When a charged particle, such as a proton, enters a uniform magnetic field that is perpendicular to its velocity, it experiences a force called the magnetic Lorentz force. This force acts as a centripetal force, causing the proton to move in a circular path. The magnetic Lorentz force does not change the speed or kinetic energy of the proton. Instead, it changes the direction of motion, making the proton move in a circular path perpendicular to both its initial velocity and the magnetic field lines. While the proton's direction of motion changes, its speed remains constant, and therefore, its kinetic energy remains unchanged.

It's important to note that if the magnetic field was not perpendicular to the proton's velocity, the proton's motion would be more complex, and the magnetic field could potentially influence its kinetic energy. However, in the given scenario where the magnetic field is perpendicular to the proton's velocity, the kinetic energy of the proton stays the same.

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Answer: decrease in current, power loss, and voltage drop