Nadh and fadh2 carry high energy electrons from the other stages of respiration to the electron transport chain. What does the electron transport chain use these electrons to do?.

Answer:

Place the nickel at 1" point on the ruler for each trial. Then, drop the quarter from 12" for each trial.

Here are the results-

Middle Trials (6")

T1: moved right about 0.5"

T2: moved left 1" and backwards 0.5" (-0.5")

T3: moved right 2" and backwards 0.5" (-0.5")

______________________________________

9" trials

T1: Right about 1"

T2: Right 0.5"

T3: around 0.8" foward

______________________________________

12" trials were all at 0" in change

______________________________________

The 12" trial requires more force for movement while the 9" trial gave the most positive changes forwards.

Explanation:

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The -60 µC charge should be placed at approximately x = 4.89 cm from the origin to produce a net electric field of zero at the origin.

To find the position where a -60 µC charge should be placed to produce a net electric field of zero at the origin, we can use the principle of superposition of electric fields.

Let's assume that the -60 µC charge is positioned at a distance x from the origin. According to the principle of superposition, the net electric field at the origin is the vector sum of the electric fields produced by each charge.

The electric field produced by a point charge is given by Coulomb's Law:

\(\[E = \frac{{k \cdot q}}{{r^2}}\]\)

Where:

E is the electric field

k is the electrostatic constant \((\(9.0 \times 10^9 \, \text{N}\cdot\text{m}^2/\text{C}^2\))\)

q is the charge

r is the distance between the charge and the point where the electric field is being calculated

Using this formula, we can calculate the electric field produced by the 40 µC charge at the origin (r = 0):

\(\[E_1 = \frac{{(9.0 \times 10^9 \, \text{N}\cdot\text{m}^2/\text{C}^2) \cdot (40 \times 10^{-6} \, \text{C})}}{{(0.04 \, \text{m})^2}}\]\)

Simplifying:

\(\[E_1 = \frac{{9.0 \times 10^9 \times 40 \times 10^{-6}}}{{0.04^2}} \\\\= \frac{{36}}{{4}} \times 10^4 \, \text{N/C} \\\\\= 9 \times 10^4 \, \text{N/C}\]\)

For the net electric field at the origin to be zero, the electric field produced by the -60 µC charge at the origin must cancel out the electric field produced by the 40 µC charge. Therefore, we have:

\(\[E_2 = -E_1\]\)

Substituting the known values:

\(\[\frac{{k \cdot (-60 \times 10^{-6})}}{{(x)^2}} = -\frac{{9 \times 10^4}}\)

Solving for x:

\(\[(x)^2 = \frac{{9 \times 10^4}}{{9 \times 10^9 \times 60 \times 10^{-6}}}\\\\= \frac{{10^4}}{{10^3 \times 6}} = \frac{{10}}{{6}}\\\\x = \sqrt{\frac{{10}}{{6}}} \\\\= \frac{{\sqrt{10}}}{\sqrt{6}} \approx 4.89 \, \text{cm}\]\)

Therefore, the -60 µC charge should be placed at approximately x = 4.89 cm from the origin to produce a net electric field of zero at the origin.

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Answer:

1)the unit of work is joule. 2)it is derived unit because it is made by two different unit force and displacement .3)

Answer:

Alternating

Explanation:

Edge 2020

Answer:

the answer is letter D.

Explanation:

i hope this is help

Answer:

great answer warstep8! add me on disc colludy#8415

Explanation:

Answer:

False , The fatty layer do not contains many nerves and blood vessels. The fatty layer is related to skin layers.

Explanation:

The fatty layer is the most under a layer of skin. It made up of a system of collagen and fat cells. It helps maintain the body's temperature and shields the body from harm by serving as a shock absorber.

The dermis is the central layer of the skin. The dermis is maintained collectively by a protein termed collagen. This layer gives skin elasticity and power. The dermis also holds shock and feel receptors.

Answer:

100°

will be the angle of the planks

Answer:

d. collection of photo.....

Answer:

Total distance covered S=16+16=32 m

Total time t=4+2=6 s

Average speed V

avg

=

t

S

=

6

32

=5.33 m/s

The description of the measurement is incomplete, and therefore it is impossible to determine the type of error.

What is Measurement?

Measurement is the process of quantifying or determining the size, amount, or degree of something using standard units or scales. It involves assigning a numerical value to a physical quantity, property, or characteristic of an object, event, or phenomenon.

Measurement is a fundamental tool used in science, engineering, commerce, and everyday life. It allows us to make comparisons, establish standards, and assess the accuracy and precision of our observations and experiments. Some common examples of measurements include length, mass, time, and volume, which are typically expressed in units such as meters, kilograms, seconds, degrees Celsius, and liters, respectively.

The error described in this case is systematic error, also known as a bias. The stopwatch consistently measures time intervals that are either longer or shorter than the actual time.

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The mass of a cylindrical rod is 6.29 kg.

The measure of how densely a material is packed together is called density. As the mass per unit volume, it has that definition.

Density of lead = 10⁴ kg/m³.

Volume of a cylindrical rod of length 0.5m and radius 0.020m = πr²l

= (22/7)(0.020)²(0.5) m³

=6.29×10⁻⁴ m³.

Hence, mass of the cylindrical rod = volume × density

= 6.29×10⁻⁴ m³ ×  10⁴ kg/m³.

= 6.29 kg.

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Answer:

1. a = - 2.5 m/s²

2. t = 2.57 s

Explanation:

1.

The acceleration of the driver can be found using the first equation of motion:

\(v_f = v_i + at\)

where,

vf = final speed = 15 m/s

vi = initial speed = 45 m/s

a = acceleration = ?

t = time = 12 s

Therefore,

\(15\ m/s = 45\ m/s +a(12\ s)\\\\a = \frac{15\ m/s-45\ m/s}{12\ s}\)

a = - 2.5 m/s²

negative sign indicates deceleration

2.

The time taken by the biker to accelerate can be found by using the first equation of motion again:

\(v_f = v_i + at\)

where,

vf = final speed = 18 m/s

vi = initial speed = 0 m/s

a = acceleration = 7 m/s²

t = time = ?

Therefore,

\(18\ m/s = 0\ m/s +(7\ m/s^2)t\\\\t = \frac{18\ m/s}{7\ m/s^2}\)

t = 2.57 s

Answer:

A

Explanation:

Answer:

5s

Explanation:

initial distance: 0 m

distance: ? (we don't know)

initial velocity: 0 m/s

velocity: 30 m/s

acceleration: 6 \(m/s^{2}\)

time: ? (we are looking for)

v = v0 + at

plug the numbers in:

30 = 0 + 6(t)

= 30 = 6t

= t = 5

5s

Force exerted by the cord on ceiling will be equal to the tension (T1) in the rope i.e. 60 N

Force is an external agent able of changing a body’s state of rest or stir. It has a magnitude and a direction. The direction towards which the force is applied is known as the direction of the force, and the operation of force is the point where force is applied.

The Force can be measured using a spring balance. The SI unit of force is Newton( N).

In drugs, stir is defined as the change in position with respect to time. In simpler words, stir refers to the movement of a body. generally, stir can either be described as

Change in speed

Change in direction

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A book weighing 18.0 N is lifted from the floor and placed on a shelf 1.5 m high.  The minimum amount of work required to accomplish this task is

Work done is the amount energy gained (loosed) in bringing the body from initial position to final position. It is denoted by W and its SI unit is joule(J). i.e. Work(W) is force(F) times displacement(s). W=F× s When a body is displaced with 1 newton of force by 1 m, then we can say that work has been done on the body by 1 joule. Writing for it's dimension, W=F× s Force has dimension [L¹ M¹ T²] Displacement has dimension [L¹] multiplying both the dimensions Force and Displacement we get, dimension of Work [L² M¹ T²].

Given,

Weight F = 18 N

Height h = 1.5 m

Work W = F × h = 18 × 1.5 = 27 J

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Answer:

50 N.

Explanation:

From the question given above, the following data were obtained:

Mass (m) = 5 Kg

Coefficient of friction (μ) = 0.36

Normal reaction (N) =?

Next, we shall determine the weight of the body. This can be obtained as follow:

Mass (m) = 5 Kg

Acceleration due to gravity (g) = 10 m/s²

Weight (W) =?

W = mg

W = 5 × 10

W = 50 N

Finally, we shall determine the normal reaction. This can be obtained as follow:

Weight (W) = 50 N

Normal reaction (N) =?

Normal reaction = weight of the body

N = W = 50 N

Thus, the normal reaction acting on the body is 50 N

The increase in the translational kinetic energy of the yo-yo is 0.0423 J.

To find the increase in the translational kinetic energy of the yo-yo, we need to calculate the work done on the yo-yo by the force applied by the hand.

The work done is given by: W = Fdcos(theta), where F is the force applied, d is the distance moved, and theta is the angle between the force and the displacement.

In this case, theta is 180 degrees since the force and displacement are in opposite directions.

Substituting the given values, we get:

W = (0.235 N)*(0.18 m)*cos(180 deg)

W = -0.0423 J

Since the yo-yo initially had kinetic energy due to its downward motion, the work done by the hand increases the yo-yo's total kinetic energy. The increase in kinetic energy is given by: ΔK = -W

Substituting the value of W, we get: ΔK = 0.0423 J

Therefore, the increase in the translational kinetic energy of the yo-yo is 0.0423 J.

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A frictionless piston-cylinder device contains 7.5 liters of saturated liquid water at 275 kPa. An electric resistance is turned on until 3050 kJ of energy is transferred to the water.

i) The mass of water can be determined by using the specific volume of saturated liquid water at the given pressure and volume. By using the specific volume data from the steam tables, the mass of water is calculated to be 6.66 kg.

ii) To find the final enthalpy of water, we need to consider the energy added to the water. The change in enthalpy can be calculated using the energy equation Q = m(h2 - h1), where Q is the energy transferred, m is the mass of water, and h1 and h2 are the initial and final enthalpies, respectively. Rearranging the equation, we find that the final enthalpy of water is 454.55 kJ/kg.

iii) The final state and the quality (x) of water can be determined by using the final enthalpy value. The final enthalpy falls within the region of superheated vapor, indicating that the water has completely evaporated. Therefore, the final state is a superheated vapor and the quality is 1 (x = 1).

iv) The change in entropy of water can be obtained by using the entropy equation ΔS = m(s2 - s1), where ΔS is the change in entropy, m is the mass of water, and s1 and s2 are the initial and final entropies, respectively. The change in entropy is found to be 10.13 kJ/kg.

v) The process described is irreversible because the water started as a saturated liquid and ended up as a superheated vapor, indicating that irreversibilities such as heat transfer across a finite temperature difference and friction have occurred. Therefore, the process is irreversible.

On a P-v diagram, the process can be represented as a vertical line from the initial saturated liquid state to the final superheated vapor state, crossing the saturation lines.

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The force in member BD is 330 N, and the reaction at C consists of two components: 130 N along the x-axis and 200 N along the y-axis.

What is force?
A force is indeed an influence that really can alter an object's motion according to physics. A motion of an object to mass to accelerate when it changes its velocity, such as when it moves away from rest. An intuitive way to describe force is as a push or a pull. A force is a vector quantity because it has both direction and magnitude. It is calculated using the newton SI unit (N). Force is denoted by the letter F. (formerly P). The net force acting on an object is proportional to the frequency that its momentum changes over time, according to Newton's second law in its original formulation.

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The average force that acts on the driver is equal to 1100N.

The equations of motion have described the relationship between the velocity, acceleration, time, and displacement of a moving object.

The mathematical expressions of the equations of motions can be written as:

\(v= u+at\)

\(S = ut+\frac{1}{2}at^2\)

\(v^2-u^2=2aS\)

Given, the automobile is traveling with velocity, u = 72 Km/hr = 20m/s

The final velocity of the automobile, v = 0

The time for which the driver comes to rest, t = 0.10 sec

From the 1st equation of motion: v = u + at

0 = 20 + a (0.10)

a = - 200 m/s²

The mass of the driver, m = 55 Kg

The average force, F = ma = 55 × 20 =  1100 N

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Answer:

https://brainly.com/question/24997963 this will help you. You need to sq rt the added values then divide a+b by the square value. Keeping anything thats negative negative if negative is answer and set to = cos theta. then convert from cos theta = 1 cos will = 0. But if cos theta = decimal then ensure its positive number and that's your answer. Formula a+b/ sqrt a+b

Explanation:

The resultant velocity of the aircraft is 3015 Km/hr while the direction is 5.7 degrees North of east

The resultant  vector is that vector that has the same effect is magnitude and direction as the two vectors acting together. Recall that velocity is a vector quantity. This implies that the magnitude and the direction of the velocity is very important.

The resultant velocity would now be obtained by considering the directions of the two velocities hence we have to work geometrically and not algebraically. We have to know that the plane is flying east at 3000 km/h. If the plane encounters a cross-wind of 300 km/h that is directed to the north

Thus the resultant velocity is;

R = √(3000)^2 + (300)^2

R = √9 * 10^6 + 9 * 10^4

R = 3015 Km/hr

The direction of this resultant velocity is;

Tan-1 (300/3000)

= 5.7 degrees North of east

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Firstly, we can write the equation for the electric force. It is:

By applying our values we get

Now, if we remind ourselves of Newton's law, we know that

We know the mass, and we know the Force, so we can find out the acceleration, this gives us:

Thus

Our final acceleration is 0.122 m/s^2

The angular speed of the wheel is **100π** radians per minute.

The linear speed of a rotating wheel is the distance traveled by a point on the circumference of the wheel per unit time. In this case, the linear speed is given as 200f(t)/(m)in, where f(t) represents an arbitrary function of time and m represents an arbitrary unit of measurement.

To find the angular speed of the wheel, we need to convert the linear speed into angular speed. Angular speed is defined as the rate at which an object rotates or travels around a circular path. It is measured in radians per unit time.

To convert the linear speed into angular speed, we need to relate the linear speed to the circumference and radius of the wheel. The circumference of a circle is given by 2π times the radius. In this case, the radius of the wheel is given as 2 feet.

Since the linear speed is the distance traveled per unit time, we can calculate the distance traveled in one minute by multiplying the linear speed by 60. Dividing this distance by the circumference of the wheel gives us the number of revolutions per minute. To convert this into radians per minute, we multiply the number of revolutions by 2π.

In summary, to calculate the angular speed of the wheel, we take the given linear speed and convert it into the number of revolutions per minute. We then multiply this value by 2π to obtain the angular speed in radians per minute.

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In denser medium, speed is slower but frequency remains same. So, as v = f lambda, so wavelength will also decrease. Hence, answer is: Option c.

What is speed?

The definition of speed. a direction or speed at which an object's location changes. The distance traveled relative to the time it took to travel that distance is how fast something is moving. As it just has a direction and no magnitude, speed is a scalar quantity.

What is frequency ?

The number of full wave cycles that pass a spot in a unit of time is described as frequency. The frequency in SI is measured in Hertz (Hz).

Therefore, In denser medium, speed is slower but frequency remains same. So, as v = f lambda, so wavelength will also decrease. Hence, answer is: Option c.

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In a transverse wave, matter vibrates in a direction that is parallel to the wave motion, whereas the direction of energy transfer is perpendicular to the wave's direction of motion.

A transverse wave transfers energy in a direction that is perpendicular to the way that the wave's constituent matter vibrates. For instance, when a rope is shaken back and forth to produce a wave, the energy moves perpendicular to the rope's motion from one end to the other.

In contrast, the path of energy transfer in a longitudinal wave is parallel to the direction in which the wave's constituent matter vibrates. For instance, as sound waves pass through air, the molecules in the air oscillate back and forth parallel to the wave's motion.

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Answer:

The net force would be zero

Explanation:

Since, F = m*a

So, if the speed is constant, similarly if we include direction the Velocity is constant and that means that acceleration is zero as acceleration itself is change in velocity per time so constant velocity and since,

a = (Vf - Vi)/change in time
a = 0

then
F = m*0

so F is also zero

Answer:

60kg

Explanation:

F= ma

96 = m ×1.6

m= 96/1.6

=60 kg