Calculate the change in time for each quarter of the track. Record the change in time in Table C of your Student Guide.

The change in time for the first quarter is _____ seconds.

The change in time for the second quarter is _____ seconds.

The change in time for the third quarter is _____ seconds.

The change in time for the fourth quarter is _____ seconds.

Answer:

Stronger and harder than either of the pure metals

Explanation:

Rounding to the nearest mile, the estimated distance you can travel is approximately 198 miles.

To estimate the distance you can travel in 4 hours and 50 minutes at an average speed of 41 miles per hour, we need to convert the time to hours.

4 hours and 50 minutes is equivalent to 4.83 hours (since 50 minutes is 50÷60 = 0.83 hours).

Now, we can calculate the distance traveled using the formula: distance = speed × time.

Distance = 41 miles/hour × 4.83 hours

Distance ≈ 198.03 miles

Rounding to the nearest mile, the estimated distance you can travel is approximately 198 miles.

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Hope this helps!!!!!!!!!!!!!

Answer:

If the sun's mass were to double without pushing or pulling on the Earth, then the Earth's orbit will change to an ellipse which brings it out to our current radius but spends most of its time closer to the sun. The tides would probably get even stronger then, particularly when our orbit takes us closer to the sun.

Explanation:

The force that acts on all objects, all the time on Earth is gravitational force.

The force that surface exert on an object perpendicularly is normal reaction.

The force due to gravity on object's is calculated by applying Newton's second law of motion as follows;

F = mg

where;

The force that surface exert on an object perpendicularly is normal reaction.

Thus, the force that acts on all objects, all the time on Earth is gravitational force.

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The electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.

To find the electric field strength at a distance 1.20 m on the x-axis, we can use Coulomb's law:

\($$F=k\frac{q_1q_2}{r^2}$$\)

where F is the force between two charges, q1 and q2 are the magnitudes of the charges, r is the distance between the charges, and k is the Coulomb constant.For a single point charge q located at the origin of the x-axis, the electric field E at a distance r is given by:

\($$E=\frac{kq}{r^2}$$\)  where k is the Coulomb constant.

So, let's calculate the electric field due to each charge separately and then add them up:

For the +2.0 C charge at x = 0, the electric field at a distance of 1.20 m is:\($$E_1=\frac{kq_1}{r^2}=\frac{(9\times10^9)(2.0)}{(1.2)^2}N/C$$\)

For the -3.0 C charge at x = 0.40 m, the electric field at a distance of 1.20 m is:

\($$E_2=\frac{kq_2}{r^2}\)

\(=\frac{(9\times10^9)(-3.0)}{(1.20-0.40)^2}N/C$$\)

The negative sign indicates that the direction of the electric field is opposite to that of the positive charge at x = 0.

To find the net electric field, we add the two electric fields\(:$$E_{net}=E_1+E_2$$\)

Substituting the values of E1 and E2:

\($$E_{net}=\frac{(9\times10^9)(2.0)}{(1.2)^2}-\frac{(9\times10^9)(3.0)}{(0.8)^2}N/C$$E\)

net comes out to be -1.5×10⁴ N/C.

Therefore, the electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.

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Answer:

There are little tiny batteries that are contained within the molecules of the food. The sun charges these batteries, and when the food is eaten, the energy from the batteries flows through the acids in the stomach, which gives the person or animal energy. In gasoline, the energy is created when the gasoline is set on fire and burned, there is no energy within it already. So they are different forms of energy. Hope this helps!

Answer:

this is just and example of how to solve it

Explanation:

need brainliest

In Hubble's Law demonstrates that as the distance between a galaxy and us increases, the speed at which it appears to recede also increases. This observation supports the idea of an expanding universe, which is a key aspect of the current understanding of the cosmos.

Hubble's Law states that the more distant a galaxy is, the faster it appears to be receding from us. This observation is based on the redshift of light emitted by distant galaxies, which is the stretching of the wavelength of light towards the red end of the spectrum as the galaxy moves away from us. The relationship between the recessional velocity (how fast a galaxy is moving away) and its distance can be described by the equation:
Recessional velocity = Hubble constant × Distance
The Hubble constant (H0) is a value that represents the rate of expansion of the universe, measured in kilometers per second per megaparsec (km/s/Mpc).
In Hubble's Law demonstrates that as the distance between a galaxy and us increases, the speed at which it appears to recede also increases. This observation supports the idea of an expanding universe, which is a key aspect of the current understanding of the cosmos.

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true. condensation is when gas converts to liquid. the molecules move slower because of a loss of thermal energy, so it forms liquid

Answer:

2.205 pounds

Explanation:

5.5 kg is 2.205 lbs. hope this helps!

Answer:

Reflected

Explanation:

During the process of reflection whatever that is sent forth e.g light comes back (reflects)

Answer:

transmitted

Explanation:

took quiz

Answer:

Kinetic energy is the energy that an object has because of its motion. The molecules in a substance have a range of kinetic energies because they don't all move at the same speed. As a subtance absorbs heat the particles move faster so the average kinetic energy and therefore the temperature increases.

The action-reaction pairs in the given situation are:

Action-reaction pairs are two forces which are equal but oppositely directed in their line of action.

Action-reaction pairs are according to Newton's third law of motion.

The action-reaction pairs in the given situation are:

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The frequency of red light, which has a wavelength of around 6.35 * 10 ^ 7 - 7 m, is 4.77 * 10 ^ 14 Hz.

Wavelength is the distance between two successive crests or troughs of a wave, such as a sound wave or light wave. It is usually measured in meters, centimeters, or nanometers. Wavelength is an important factor in determining the properties of a wave, such as its frequency or velocity. Wavelength is inversely proportional to frequency—the higher the frequency, the shorter the wavelength.

This means that the frequency of red light is 4.77 * 10 ^ 14 cycles per second. The frequency of light is directly proportional to its wavelength, so when the wavelength increases, the frequency decreases. This is why red light has a lower frequency than other colors of light, like blue and green, which have higher frequencies.
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Answer:

t = 5.05 s

Explanation:

This is a kinetic problem.

a) to solve it we must fix a reference system, let's use a fixed system on the floor where the height is 0 m

b) in this system the equations of motion are

              y = v₀ t + ½ g t²

where v₀ is the initial velocity that is v₀ = 0 and g is the acceleration of gravity that always points towards the center of the Earth

e)    y = 0 + ½ g t²

     t = √ (2y / g)

     t = √(2 125 / 9.8)

     t = 5.05 s

Answer:

(a) The force, acting on object 'C' is approximately 2.66972 × 10⁻¹⁰ Newtons

(b) The distance of 'C' from 'A', in the direction particle 'B' if there is no  meters gravitational force acting on 'C' is appromimately 0.829 meters or 1.877 meters

Explanation:

The given parameters are;

The mass of particle, A, m₁ = 2 kg

The mass of particle, B, m₂ = 0.3 kg

The mass of particle, C, m₃ = 0.05 kg

The distance between particle 'A' and particle 'B', r₁ = 0.15 m

The distance between particle 'B' and particle 'C', r₂ = 0.05 m

(a) The gravitational force, 'F', is given as follows;

\(F =G \times \dfrac{m_{1} \times m_{2}}{r^{2}}\)

Where;

F = The force between the two masses

G = The gravitation constant = 6.67430 × 10⁻¹¹ N·m²/kg²

m₁ = The mass of object 1

m₂ = The mass of object 2

If 'C' is placed at 0.05 m from 'B', we have;

F₂₃ =  6.67430 × 10⁻¹¹ × 0.05 × 0.3/(0.05²) ≈ 4.00458 × 10⁻¹⁰

The gravitational force between force between particle 'B' and particle 'C', F₂₃ = 4.00458 × 10⁻¹⁰ N (towards the right)

F₁₃ =  6.67430 × 10⁻¹¹ × 0.05 × 2/(0.1²) ≈ × 10⁻¹⁰

The gravitational force between force between particle 'A' and particle 'B', F₁₃ = 6.6743 × 10⁻¹⁰ N (towards the left)

The force, 'F', acting on object 'C' = F₁₃ - F₂₃

F = (6.6743 - 4.00458) × 10⁻¹⁰ = 2.66972 × 10⁻¹⁰ N

The force, acting on object 'C' ≈ 2.66972 × 10⁻¹⁰ N

(b), When there is no gravitational force acting on 'C', let the distance of 'C' from 'A' = x

We have;

F₂₃ = F₁₂

\(F_{23} =G \times \dfrac{m_{1} \times m_{2}}{r_1^{2}} = F_{13} =G \times \dfrac{m_{1} \times m_{3}}{r_2^{2}}\)

By plugging in the values and removing like terms, we get;

\(\dfrac{0.3 \times 0.05}{(1.15 - x)^{2}} = \dfrac{2 \times 0.05}{x^2}\)

(1.15 - x)² × 2 × 0.05 = 0.3 × 0.05 × x²

0.1·x² - 0.23·x + 1.3225 = 0.015·x²

0.1·x² - 0.23·x + 1.3225 - 0.015·x² = 0

0.085·x² - 0.23·x + 0.13225= 0

x = (0.23± √((-0.23)² - 4 × 0.085 × ( 0.13225)))/(2 × 0.085))

x ≈ 0.829, or x ≈ 1.877

Therefore, the distance of 'C' from 'A', if there is no gravitational force acting on 'C', x ≈ 0.829 m, or x = 1.877 m, in the direction of 'B'

The maximum angle above the horizontal with which a projectile can be thrown can be found by considering the concept of range. The range of a projectile is the maximum horizontal distance it can cover before returning to the ground.

The range is maximum when the projectile is thrown at an angle of 45 degrees above the horizontal.

So, the maximum angle above the horizontal with which a projectile can be thrown is 45 degrees. It is worth noting that air resistance can affect the trajectory and the range of a projectile, but as per the problem statement, air resistance has been ignored.

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Yes, there is a relationship between time and temperature in a hot air balloon ride, because the temperature changes as the balloon ascend or descend in the atmosphere. If height depends on time and temperature depends on the height, then it is possible to establish a relationship between time and temperature.

One way to do this would be to use the equations that describe the height and temperature as a function of time to calculate the temperature at various times during the balloon ride. For example, if the height of the balloon as a function of time is given by the equation h(t) and the temperature as a function of height is given by the equation T(h), then the temperature at a given time t can be calculated using the equation T(h(t)).

It's important to note that the specific form of the equations for height and temperature will depend on the conditions of the balloon ride, such as the rate at which the balloon ascends or descends, the atmospheric conditions, and other factors. Therefore, it will be necessary to use the appropriate equations and input values in order to accurately calculate the temperature at a given time during the balloon ride.

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Answer:

This temperature is equivalent to 87°C.

.

Your capacity to manage your tissue without moving against gravity is referred to as balance. Your control over your body while moving is referred to as stability.

When it comes to body movements, balance entails the capacity to maintain the body's command while it is still, whilst stability refers to the capacity to maintain the body's grip while it is in motion. This is the primary distinction between equilibrium and stability.

The more stable our movement's foundation, the more we can govern the force throughout our own body. Balance refers to our ability to retain our center of mass within the boundaries of our support base whether static or dynamic.

It is in charge of keeping us erect whether we are waiting still or moving. A better sense of stability and balance does more than just keep you from falling in the future. Other immediate health benefits of maintaining your stability include improved mobility.

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If you send a single wave pulse through the string, it will be transmitted through to the rope.

Let's consider a thin rope attached to a thick rope, with every rope held at opposite ends via people. And suppose that a pulse is introduced through the person conserving the top of the skinny rope. If that is the case, there will be an incident pulse visiting within the less dense medium toward the boundary with a more dense medium.

A part of the strength carried through the incident pulse is transmitted into the thick rope. The disturbance that keeps shifting to the right is called the transmitted pulse. A part of the energy carried via the incident pulse is reflected and returns toward the left giving up the thin rope. The disturbance that returns to the left after bouncing off the boundary is called the reflected pulse.

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The phrase "like dissolves like" can be described as the compounds which have similar nature dissolve in each other that is polar dissolves polar and non-polar dissolves non-polar molecules.

Polarity is the separation of electric charge which is leading to a molecule or the chemical groups which are having an electric dipole moment, with a negatively charged end and a positively charged end as well. Polar molecules are the molecules which must contain one or more polar bonds which occur due to a difference in the electronegativities between the bonded atoms of the molecule.

A simple way to predict the compounds which will dissolve in other compounds is the phrase of the compound such as "like dissolves like". This means that the polar compounds dissolve in polar compounds, and the nonpolar compounds dissolve in nonpolar compounds, however, the polar and nonpolar molecules do not dissolve in each other.

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Answer:

1. chemical energy --> electrical energy --> light energy

2. Electrical Energy --> Mechanical Energy

3. Electrical Energy --> Heat Energy

4. Chemical Energy --> Thermal Energy  --> Mechanical Energy

5. Nuclear Energy --> Light energy and thermal energy

6. Mechanical Energy --> Electric Energy

7. Chemical Energy --> Electrical Energy --> Sound Energy

8. Mechanical Energy --> Sound Energy

Explanation:

1.FLASHLIGHT:

chemical energy --> electrical energy --> light energy

The chemical energy from the cell batteries is converted to electrical energy, which is used to produce the light energy in form of flashlight.

2.ELECTRIC SAW:

Electrical Energy --> Mechanical Energy

The electrical energy from the socket is converted to the mechanical energy used to run the saw blade.

3.TOASTER:

Electrical Energy --> Heat Energy

The electrical energy from the socket is converted to the heat energy (thermal energy) used in browning the bread.

4.GAS POWERED SCOOTER:

Chemical Energy --> Thermal Energy  --> Mechanical Energy

The chemical energy from fuel, such as petrol is converted to heat (thermal energy) in the engine by the process of combustion. This heat is then used to do work by conversion into mechanical energy, through piston movement, which in turn moves the shaft and the scooter.

5.THE SUN:

Nuclear Energy --> Light energy and thermal energy

The nuclear reactions on Sun provide nuclear energy which is converted into light and thermal energy that reaches us on earth.

6.WIND TURBINE:

Mechanical Energy --> Electric Energy

The mechanical energy is provided by wind when it rotates the blade of turbine. This is then converted to electrical energy b the turbine.

7.IPOD:

Chemical Energy --> Electrical Energy --> Sound Energy

The chemical energy i supplied by the battery of ipod, which is converted to electrical energy and that electrical energy is used to produce sound by ipod.

8.SPEAKER VIBRATES

Mechanical Energy --> Sound Energy

The mechanical energy due to vibration produces sound energy.

Answer:

1. chemical energy --> electrical energy --> light energy

2. Electrical Energy --> Mechanical Energy

3. Electrical Energy --> Heat Energy

4. Chemical Energy --> Thermal Energy  --> Mechanical Energy

5. Nuclear Energy --> Light energy and thermal energy

6. Mechanical Energy --> Electric Energy

7. Chemical Energy --> Electrical Energy --> Sound Energy

8. Mechanical Energy --> Sound Energy

Explanation:

three plus four NERD

Answer:

Option 2

Explanation:

Answer:B

Explanation:because she started of with no money and now she made her money up

Answer:

v = a t = 4 m/s^2 * 5 s = 20 m/s

It can increase its speed by 20 m/s

Using V = V0 + a t

V0 (initial speed) had to be 12 m/s

In the given product mix, with a=0 and b=1, resource Y is the binding resource.

To determine the binding resource, we need to compare the resource utilization for each product in the product mix. The resource utilization is calculated by multiplying the quantity of each product by the amount of the corresponding resource required.

For product A, the resource utilization for resource X is 8 * 0 = 0, for resource Y is 4 * 0 = 0, and for resource Z is 6 * 0 = 0.

For product B, the resource utilization for resource X is 3 * 1 = 3, for resource Y is 9 * 1 = 9, and for resource Z is 7 * 1 = 7.

As we can see, the resource utilization for resource Y is 9 for product B, which is the highest among all resources and products. Therefore, resource Y is the binding resource in this product mix when a=0 and b=1.

This means that the availability of resource Y limits the production and profitability of product B, and any increase in the quantity of product B beyond 9 units would require more of resource Y than is available.

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Answer:

ok will do that

Explanation:

Answer:

SCMaglev, Located in Japan

Explanation: