The major axis for a particular planet is known. In order to determine the perihelion and the aphelion, what other information about the planet is needed?.

Answer:

EK = 440 Joule

Explanation:

Known:

m = 55 kg

v = 4 m/s

Ek = ?

Equation to solve this is:

Ek = 1/2 m \(v^{2}\)

Ek = 1/2 . (55) . \((4)^{2}\)

Ek = 440 J

To determine the rate of heat input required to operate a unit where all the heat goes into the water, we need additional information such as the specific heat capacity of water and the desired temperature change.

The rate of heat input can be calculated using the formula:

Rate of heat input = (Mass of water) x (Specific heat capacity of water) x (Temperature change per unit time). The mass of water is typically measured in kilograms (kg), the specific heat capacity of water is around 4.186 joules per gram per degree Celsius (J/g°C) or 4,186 joules per kilogram per degree Celsius (J/kg°C), and the temperature change per unit time is measured in degrees Celsius per second or degrees Celsius per hour, depending on the specific scenario. Once we have the desired temperature change and the time period over which the heat input is measured, we can use these values to calculate the required rate of heat input. Please provide the necessary information, such as the mass of water and the desired temperature change, for a more accurate estimation of the rate of heat input.

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A wedge is like a ramp that can work while in motion.

As a tool for raising or lowering a load, an inclined plane, also referred to as a ramp, is a flat supporting surface that is tilted at an angle from the vertical direction with one end higher than the other. One of the six traditional simple machines that Renaissance scientists defined is the inclined plane.

Heavy loads are transported over vertical obstacles using inclined planes. Examples include a ramp used to load cargo into a truck, a pedestrian ascending a ramp, or an automobile or train ascending a grade.

Less force is needed to lift an object up an inclined plane than to lift it straight up, but the distance travelled is greater. Hence, a wedge is like a ramp that can work while in motion.

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In this experiment, marbles were rolled down a ramp to determine the relationship between potential and kinetic energy and how it affects the distance a box will slide.

The potential energy of the marbles differed based on their starting location, with higher locations possessing more potential energy. As the marbles rolled down the ramp, their potential energy decreased while their kinetic energy increased.

When the marble hit the box, it transferred its kinetic energy to the box, causing it to slide backward. The results showed that the higher the marble's potential energy, the further the box slid.

Additionally, the larger the mass of the marble, the greater its kinetic energy and the further the box slid. Overall, the hypotheses for each experiment were confirmed by the data collected.

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Answer:

A centripetal force

Explanation:

The type of force in the given scenario is tension. The correct option is c.

Tension is defined in physics as the pulling force conveyed axially by a string, cable, loop, or similar material, or by every end of a rod, truss member, or similar three-dimensional object.

Tension can also be defined as the action-reaction pair of forces acting at each end of said elements.

Newton's second law states that the tension in the rope must equal the weight of the backed mass.

Tension, the normal force, and friction are all examples of contact forces.

Since the weight is not moving, the acceleration is zero. Even if the acceleration is not zero, this equals zero.

Thus, the correct option is c.

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Your question seems incomplete, the missing options are:

Answer:

there is no diagram, but i can try to help

Explanation:

strong winds bonding together (i.e hot and cold) help form the tornado, depending on the weather depends on how long it can go on, if more hot and cold are feeds into it, it will get faster and last longer. it is just like dust devils, it is wind and dirt mixing to make a tornado, the more wind and dirt the worst it will be

Answer:

250s

Explanation:

Given parameters:

Mass  = 50kg

Speed  = 10m/s

Force  = 2N

Unknown:

Time the force was acting  = ?

Solution:

To solve this problem, we use the equation of motion from the second law of Newton:

            Ft  = mV

F is the force

t is the time taken

m is the mass

V is the velocity

          2  x t  = 50 x 10

               t  = 250s

I agree with my friends that before a falling body reaches terminal velocity, it gains speed while acceleration decreases.

Terminal velocity is the velocity at which an object does not continue to accelerate due to air resistance. Until that velocity is attained, a falling object speeds up while decelerating, as air resistance pushes back with a greater force than gravity.

What is Terminal Velocity?

When an object is falling and the resistance from the air balances the force of gravity, the object stops accelerating and reaches terminal velocity. It is the final velocity that an object reaches when the force of gravity is equal to the force of air resistance. When an object reaches its terminal velocity, it will no longer accelerate. Instead, it will continue at a constant speed until it hits the ground.

A falling object's velocity and acceleration are inversely proportional to each other. The rate of acceleration slows as an object gains velocity, according to the relationship. Since the air resistance force grows in the opposite direction of the falling object's motion, it slows the object down as its velocity increases.

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The Doppler shift is a change in wavelength caused by the relative motion of the source and the observer. Therefore, the speeder must have been traveling at a speed of approximately 7.71 million meters per second, or about 17.2 million miles per hour, in order to cause the yellow warning lights to appear green due to the Doppler shift.

In this case, the speeder is claiming that her high speed caused the yellow warning lights to appear green due to the Doppler shift. The shift in wavelength from yellow (577.3 nm) to green (562.3 nm) corresponds to a decrease in wavelength, which indicates that the source (the warning lights) is moving away from the observer (the speeder).
To calculate the speed of the speeder, we can use the formula for Doppler shift:
Δλ/λ = v/c
where Δλ is the shift in wavelength, λ is the original wavelength, v is the speed of the source or observer, and c is the speed of light.
Plugging in the values given, we get:
(562.3 nm - 577.3 nm) / 577.3 nm = v/c
Solving for v, we get:
v = - 0.0257c
The negative sign indicates that the source is moving away from the observer, as we expected. To convert this to a speed in meters per second, we can multiply by the speed of light:
v = - 0.0257c = - 7.71 x 10^6 m/s
Therefore, the speeder must have been traveling at a speed of approximately 7.71 million meters per second, or about 17.2 million miles per hour, in order to cause the yellow warning lights to appear green due to the Doppler shift. This is obviously an unrealistic speed, so the speeder's explanation is not valid.
To determine the speed of the speeder, we need to apply the Doppler shift formula for light:
Δλ/λ₀ = v/c
where Δλ is the change in wavelength, λ₀ is the original wavelength, v is the velocity of the observer (speeder), and c is the speed of light.
First, we need to calculate the change in wavelength (Δλ):
Δλ = λ - λ₀
Δλ = 562.3 nm - 577.3 nm
Δλ = -15 nm
Now we can plug the values into the Doppler shift formula:
(-15 nm) / (577.3 nm) = v / (3.0 x 10^8 m/s)
Next, we need to solve for v:
v = (-15 nm) * (3.0 x 10^8 m/s) / (577.3 nm)
To maintain the same unit of measurement, we can convert the wavelengths from nm to m:
v = (-15 x 10^-9 m) * (3.0 x 10^8 m/s) / (577.3 x 10^-9 m)
Finally, we can calculate v:
v ≈ -7.79 x 10^6 m/s
However, this value is not realistic for a speeder, as it is much faster than the speed of light. In reality, the Doppler effect is not significant enough for a speeder to observe a noticeable change in color. Therefore, the speeder's explanation cannot be valid.

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Answer:

Pepsi- 660 Calories

Hot Dog- 3 Calories

Popcorn- 210 Calories

Total Calories in all 3 - 873 Calories

Answer:

Short

Explanation:

I took the same test

The type of circuit when there is a direct connection lies between two-points should be a short circuit.

It is not the normal condition with respect to an electric circult where the electric current should be flow via the non-intended, also there is short pathway rather following the circuit.

Moreover, there should be a direct linked between the two points in the circuit that supposed to be directly linked.

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The collision is equal to the total momentum after the collision is 3.00 m/s. and  The energy lost in the collision is \(E_{lost} = 1.25 \times 10^5 J\)

Momentum is a measure of an object's resistance to changes in its motion due to a force. It is the product of an object's mass and its velocity, and is represented by the equation p = mv, where p is momentum, m is mass, and v is velocity. Momentum is a vector quantity, which means it has both a magnitude and a direction. Momentum can be expressed in terms of an object's speed and direction of motion, as well as its mass.

This is because the momentum of the four cars is conserved, which means the total momentum before the collision is equal to the total momentum after the collision. This gives the equation:
\((2.50 \times 10^4 kg)(4.00 m/s) + (3 x 2.50 \times 10^4 kg)(2.00 m/s) = (4 \times 2.50 \times 10^4 kg)(V)\)
Solving this equation for V gives V = 3.00 m/s.

b) The energy lost in the collision is equal to the difference in kinetic energy before and after the collision, which is given by the equation:

\(E_{lost} = (1/2)(2.50 \times 10^4 kg)(4.00 m/s)^2 - (1/2)(4 \times 2.50 \times 10^4 kg)(3.00 m/s)^2\\E_{lost} = 1.25 \times 10^5 J\)
The energy that is lost in the collision is converted into thermal energy due to the friction of the cars as they collide, as well as sound energy as the collision creates sound waves.

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a. The original speed of the bullet is 300.6 m/s.

b. The horizontal distance travelled by the wood - bullet system is 0.27 m.

c. The speed of the four car after the collision is 1.75 m/s.

d. The energy loss after the collision is -196,875 J.

The original speed of the bullet is calculated as follows;

m₁u₁ + m₂u₂ = v(m₁ + m₂)

where;

0.01u₁ + 5(0) = 0.6(0.01 + 5)

0.01u₁ = 3.006

u₁ = 3.006/0.01

u₁ = 300.6 m/s

The time of motion of the wood is calculated as follows;

t = √(2h/g)

t = √ (2 x 1 / 9.8)

t = 0.45 s

The horizontal distance travelled by the wood - bullet system is calculated s;

X = 0.45 s x 0.6 m/s

X = 0.27 m

The speed of the four car after the collision is calculated as follows;

(2.5 x 10⁴ x 4)    +  3(2 x 2.5 x 10⁴) = v (4 x 2.5 x 10⁴)

175,000 = 100,000v

v = 1.75 m/s

The initial kinetic energy of the cars is calculated as;

K.Ei = ¹/₂ x 2.5 x 10⁴ x 4²   +  3 (¹/₂ x 2.5 x 10⁴ x 2²)

K.Ei = 350,000 J

The final kinetic energy of the cars;

K.Ef =  4 (¹/₂ x 2.5 x 10⁴ x 1.75²)

K.Ef = 153,125 J

Loss in energy = K.Ef - K.Ei

= 153,125 J - 350,000 J

= -196,875 J

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Answer:adapter

Explanation:

Answer:

A Tone generator sends a signal through a wire

If a car is traveling on a highway at 70 km/hr in the direction of due north, changes directions, and continues to travel at 70 km/hr in the direction of due east, the automobile's speed changes but its velocity does not.

Direction can refer to the way something moves, the way you must go to get somewhere, the way something is beginning to take shape, or the direction you are facing. When you turn right rather than left, that is an illustration of direction.

Without any corrections for compass error, the direction as shown by the instrument. The direction that a magnetic compass indicates may be very different from the actual direction that an Earth meridian refers to.

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A hybrid of "b data" (behavioral data) and "s data" (self-report data), this type of data consists of participant reports on their anticipated behavior under different circumstances.

This type of data is commonly referred to as "c data" or "criterion data." It combines elements of both behavioral and self-report data to provide insights into individuals' expected behavior in specific situations. While behavioral data refers to direct observations of participants' actions and behaviors, and self-report data involves participants' subjective reports of their thoughts, feelings, and intentions, c data focuses on participant reports of their anticipated behavior.

By collecting c data, researchers aim to understand how individuals predict their own behavior in various scenarios. This information can be valuable for studying decision-making processes, assessing the accuracy of self-perceptions, and examining the alignment between intentions and actual behaviors.

C data can be gathered through questionnaires, interviews, or experimental setups where participants are asked to provide their expected responses to hypothetical situations. These reports serve as a bridge between observed behavior and subjective experiences, offering researchers a deeper understanding of individuals' cognitive processes and decision-making strategies.

Overall, the hybrid nature of c data allows researchers to gain insights into participants' anticipated behavior by combining aspects of both behavioral and self-report data, providing valuable information for psychological and social research.

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The car is going at 24.6 m/s after undergoing an acceleration of 4.2 m/s2 over a distance of 450 m.

The velocity of the car initially was 9.6 m/s and the distance covered by the car is 450 m. The acceleration of the car is 4.2 m/s2. We need to determine the velocity of the car after undergoing an acceleration of 4.2 m/s2. We can use the kinematic formula to determine the final velocity of the car. v2 = u2 + 2aswherev = final velocityu = initial velocitya = acceleration of the objectss = distance covered by the caru = 9.6 m/sa = 4.2 m/s2s = 450 mLet's plug in the values and solve for the final velocity of the car. We have:v2 = u2 + 2asv2 = (9.6)2 + 2(4.2)(450)v2 = 92.16 + 3780v2 = 3872.16Taking the square root of 3872.16, we get:v = 62.22 m/s. Therefore, the car is going at 24.6 m/s after undergoing an acceleration of 4.2 m/s2 over a distance of 450 m.

Given that the velocity of the car initially was 9.6 m/s, the distance covered by the car is 450 m, and the acceleration of the car is 4.2 m/s2. We need to determine the velocity of the car after undergoing an acceleration of 4.2 m/s2.The kinematic equation we use is:v2 = u2 + 2asaWherev = final velocityu = initial velocitya = acceleration of the objectss = distance covered by the carWe have:v2 = u2 + 2asv2 = (9.6)2 + 2(4.2)(450)v2 = 92.16 + 3780v2 = 3872.16Taking the square root of 3872.16, we get:v = 62.22 m/sTherefore, the car is going at 24.6 m/s after undergoing an acceleration of 4.2 m/s2 over a distance of 450 m.

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Answer:

5.00

Explanation:

a sinθ=mλ

You are missing (a) so you move sinθ to the other side than solve from there.

For first diffraction, the width of the slit is \(5*10^{-5} m\).

Diffraction of light is defined as the bending of light around corners such that it spreads out and illuminates areas where a shadow is expected.

a sinθ=mλ

\(a = \frac{1*488*10^{-9} }{sin 0.559}\)

\(a = 5*10^{-5} m\)

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Answer:

yes it is C

Explanation:

Answer:

Explanation:you knoe i know

Answer:

its known as the age of mammals

and the current era

Explanation: Ap3x

Answer:

It is the current era & It is also known as the age of mammals

Explanation:

ap3x verified

Answer:

the combined train cars will be moving east at a speed of 1 m/s after the perfectly inelastic collision.

Explanation:

First, we can calculate the initial momentum of the first train car before the collision:

p1 = m1v1 = 1650 kg * 2 m/s = 3300 kgm/s east

Since the second train car is stationary, its initial momentum is zero:

p2 = m2*v2 = 0

The total momentum before the collision is therefore:

p_total = p1 + p2 = 3300 kg*m/s east

After the collision, the two train cars stick together and move as one, so we can treat them as a single object with a combined mass of 2*m1 = 3300 kg. Let's call the final velocity of the combined train cars v_final.

The conservation of momentum tells us that the total momentum after the collision is also p_total, so we can write:

p_total = m_total * v_final

Substituting in the values we have:

3300 kg*m/s east = 3300 kg * v_final

Solving for v_final, we get:

v_final = 1 m/s east

So the combined train cars will be moving east at a speed of 1 m/s after the perfectly inelastic collision.

Answer:

Friction. Have a great day! Think positive <3

Answer: Friction

Explanation: It makes sense

Answer:

2-3-1-4

Explanation:

First you will need an energy source so 2 is the first step.

Then the lead and lead oxide are reformed during re-charge so 3 is the second step.

The battery is back in operation when Lead dissolves in acid so 1 is the third step.

Battery produces electrons so 4 is the final step.

Answer:

Magnetic field

Explanation:

Answer:

magnetic field

Explanation:

Due to the relative speed of the spacecraft with regard to the observer, information sent back from the spacecraft at a rate of 1400 kHz is received at a lower rate. The rate at which information is received is reduced due to time dilation, which is the slowing of time perceived by a moving object as seen by a stationary observer. The greater the temporal dilation, the faster the item moves.

Time dilation occurs in this example because the spacecraft is travelling at 0.95 times the speed of light. This means that time appears to move slower on the spacecraft than it does to a stationary observer. As a result, the frequency of information received from the spacecraft is likewise reduced. Because of this consequence, the rate at which we get information will be lower than 1400 kHz.

Finally, the rate at which information is received is affected by the speed of a spacecraft relative to an observer. When a spacecraft travels at a substantial fraction of the speed of light, time dilation causes the spacecraft to receive information at a decreased rate.

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Introduction:

The speed of light is a fundamental constant in physics and is considered to be the highest speed at which information can travel. It is the speed at which electromagnetic radiation (including light) propagates through a vacuum. In this scenario, a spacecraft is traveling at a speed close to the speed of light, sending back information at a certain frequency.

Explanation:

According to the theory of special relativity, objects moving at high speeds experience time dilation, which means that time appears to pass more slowly for the object relative to an observer at rest. The same goes for the frequency of electromagnetic radiation. When the spacecraft is traveling at a high speed, the frequency of the electromagnetic radiation it emits will appear to be lower to an observer at rest.

This effect is known as the Doppler shift, and it affects both the frequency and wavelength of the emitted radiation. The rate at which we receive the information from the spacecraft is given by the formula:

f' = f * (√(1 - v^2/c^2))

Where f is the frequency of the radiation as emitted by the spacecraft, v is the speed of the spacecraft relative to the observer, and c is the speed of light.

In this scenario, the spacecraft is traveling at a speed of 0.95c, so v = 0.95c. Plugging these values into the formula gives us:

f' = 1400 kHz * (√(1 - (0.95c)^2/c^2)) = 1400 kHz * (√(1 - 0.9025)) = 1400 kHz * (√(0.0975)) = 1400 kHz * 0.3117 = 436.8 kHz

So, we receive the information from the spacecraft at a rate of 436.8 kHz.

Conclusion:

This example illustrates the effect of time dilation and the Doppler shift on the frequency of electromagnetic radiation as seen by an observer at rest. It shows that when a spacecraft travels at high speeds, the frequency of the radiation it emits appears to be lower to an observer at rest, due to the effect of time dilation on the frequency.

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(a) To calculate the angular acceleration of the flywheel, we can use the formula:

Angular acceleration (α) = (final angular velocity - initial angular velocity) / time.

In this case, the initial angular velocity is 0 (starting from rest), the final angular velocity is 208 rad/s, and the time is 5 s.

Using the formula, we have:

α = (208 rad/s - 0) / 5 s.

Simplifying the expression, we find:

α = 208 rad/s / 5 s.

Calculating this expression, we get:

α = 41.6 rad/s^2.

Therefore, the angular acceleration of the flywheel is 41.6 rad/s^2.

(b) To calculate the magnitude of the torque, we can use the formula:

Torque (τ) = moment of inertia (I) * angular acceleration (α).

In this case, the moment of inertia (I) is given as 55 kg m^2, and the angular acceleration (α) is 41.6 rad/s^2.

Using the formula, we have:

τ = 55 kg m^2 * 41.6 rad/s^2.

Calculating this expression, we find:

τ = 2,288 Nm.

Therefore, the magnitude of the torque exerted on the flywheel is 2,288 Nm.

Hence, the angular acceleration of the flywheel is 41.6 rad/s^2, and the magnitude of the torque is 2,288 Nm.

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Given data,

Mass of the bus is m = 9800 kg,

Speed of the bus is v = 40 mph,

Converting speed of the bus in m/s, {1 miles per hour = 0.447 meter per second}

v = 40*0.447

v = 17.88

Calculating momentum of the bus,

The correct option regarding Hubble's Law is Option B : the greater the distance to a galaxy, the fainter the galaxy appears .

We may learn a lot about the nature of the cosmos from Hubble's law, which states essentially that a galaxy's velocity (or, as it is commonly displayed, its redshift) is precisely proportionate to its distance.

The relationship between distance and velocity should not exist if the cosmos is constant and unchanging.

Because the Hubble constant, H, is used to calculate the precise age of the universe, Hubble's law is regarded as being extremely significant. Additionally, it aids in the comprehension of dark energy and matter.

By displaying the distances that distant galaxies are traveling from us, it illustrates how the universe is expanding.

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Answer: T = 40%

Explanation: The definition of Transmittance is a part of the incident light that passes through a surface or material moves through the other side of the surface. It is represented as T and is defined as the ratio of the intensity of incident light to the intensity of light that passes through the surface:

\(T=\frac{I}{I_{0}}\)

where

I is intensity that passes through

I₀ is incident intensity

When you shine a light on a material and 50% of it is reflected, the remaining 50% will try to pass through. However, 10% is absorbed leaving 40% of the light to move through the other side of the surface.

So, Transmittance of this surface is 40%.