The data in the table above show how far
a sea turtle travels over several days. What
would the line on a graph of this data look
like?
A The line would curve upward and to
the right.
B The line would go up and down.
C The line would point straight upward to
the right.
D The line would point upward then
downward.

Answer:

Below

Explanation:

0-1 sec descends at constant rate from 10 to 6 m

1-2 sec stops at 6m

2-3 sec descends at constant rate to 2 m

3-4 sec stops at 2 m

4-5 sec descends at another constant rate to 0 m

Answer:

0%

Explanation:

There is no purple geneotype with either parents so there will be 0 purple and 100% white

Air can do work when it exerts a force on an object and causes it to undergo displacement. The ability of air to do work is evident in various phenomena, such as wind pushing sails, fans moving objects, and air pressure powering pneumatic systems.

Air can do work through its ability to exert a force over a distance. Work is defined as the transfer of energy that occurs when a force is applied to an object and it undergoes displacement in the direction of the force. When air is in motion, it possesses kinetic energy and can exert a force on objects in its path, thus performing work.

To understand how air can do work, we can consider the example of a moving fan. When a fan is turned on, the blades start to rotate, creating a flow of air. As the air moves, it carries kinetic energy. When the moving air encounters an object, such as a piece of paper, the air molecules collide with the paper's surface and exert a force on it. This force causes the paper to move and displaces it from its initial position.

The work done by the air can be calculated using the equation:

Work = Force * Distance * cos(θ)

Where Force is the magnitude of the force exerted by the air, Distance is the displacement of the object, and θ is the angle between the direction of the force and the displacement.

In the case of air doing work on an object, the force exerted by the air is perpendicular to the direction of motion, resulting in θ = 90 degrees. Since cos(90) = 0, the equation simplifies to:

Work = Force * Distance * 0

Therefore, the work done by the air on the object is zero when the force exerted by the air is perpendicular to the displacement.

However, if the force exerted by the air is not perpendicular to the displacement, such as when blowing air at an angle to move an object, then work is performed. The air exerts a force on the object and causes it to move in the direction of the force, resulting in the transfer of energy.

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Answer:

The change in mean drift velocity for electrons as they pass from one end of the wire to the other is 3.506 x 10⁻⁷ m/s and average acceleration of the electrons is 4.38 x 10⁻¹⁵ m/s².

The given parameters;

Current flowing in the wire, I = 4.00 mA

Initial diameter of the wire, d₁ = 4 mm = 0.004 m

Final diameter of the wire, d₂ = 1 mm = 0.001 m

Length of wire, L = 2.00 m

Density of electron in the copper, n = 8.5 x 10²⁸ /m³

The initial area of the copper wire;

The final area of the copper wire;

The initial drift velocity of the electrons is calculated as;

The final drift velocity of the electrons is calculated as;

The change in the mean drift velocity is calculated as;

The time of motion of electrons for the initial wire diameter is calculated as;

The time of motion of electrons for the final wire diameter is calculated as;

The average acceleration of the electrons is calculated as;

Thus, the change in mean drift velocity for electrons as they pass from one end of the wire to the other is 3.506 x 10⁻⁷ m/s and average acceleration of the electrons is 4.38 x 10⁻¹⁵ m/s².

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Explanation:

The changing mean drift velocity of the electrons plays out at 3.506 x 10⁻⁷ m/s along with an average acceleration nearing 4.38 x 10⁻¹⁵ m/s².

As the electrons traverse one end of the wire to another, their mean drift velocity undergoes a shift of 3.506 x 10⁻⁷ m/s with an average acceleration of 4.38 x 10⁻¹⁵ m/s² in accordance with the following parameters:

- The current flowing through the wire is at 4.00 mA.

- The original diameter of the wire, d₁, measures at 4 mm or 0.004 m.

- Conversely, the final diameter, d₂, displays a measurement of 1 mm or 0.001 m.

- The length of the entire wire is consistent, measuring at 2 meters.

- Notably, the density of electrons present within copper reaches an estimated value of 8.5 x 10²⁸ /m³.

Calculations regarding both initial and final area coverage provided by copper must be explored along with numerical data involving the two varying drift velocities for accurate results.

Thus, we arrive at the change rate of the mean drift velocity between points in the wire as well as the plenitude of electron acceleration achieved after contemplation into the corresponding motion periods.

The conclusion reflects that our measurements find the changing mean drift velocity of the electrons plays out at 3.506 x 10⁻⁷ m/s along with an average acceleration nearing 4.38 x 10⁻¹⁵ m/s².

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Meat-eating desert reptiles depend on small animals in their habitat on which they feed.

Meat-eating desert reptiles depend on small animals that lives to their surrounding. On these animals, these meat eating desert reptiles feed and fulfill their requirements of food so we can conclude that meat eating reptiles needs small animals present in the desert for feeding.

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The motion diagram for A-E is attached.

F) The drawings will change to reflect how the spacings of the respective positions are changing more irregularly.

A motion diagram is an image that represents the position of an object at various relatively spaced time intervals.

The art of using motion diagrams is called kinematics. it is useful for detecting the unknown speed of objects. For example, the movement of a rocket from earth to space, the movement of a ship over the water.

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It would take approximately 546 days for the decay rate of the sample of this radioactive isotope to fall to 0.58 of its initial rate.

1. The decay rate of a radioactive isotope is proportional to the number of radioactive atoms present in the sample at any given time.

2. The decay rate can be expressed as a function of time using the formula: R(t) = R₀ * \(e^{(-\lambda t\)), where R(t) is the decay rate at time t, R₀ is the initial decay rate, λ is the decay constant, and e is the base of the natural logarithm.

3. The half-life of a radioactive isotope is the time it takes for half of the radioactive atoms in a sample to decay. In this case, the half-life is given as 210 days.

4. Using the half-life, we can find the decay constant (λ) using the formula: λ = ln(2) / T₁/₂, where ln(2) is the natural logarithm of 2 and T₁/₂ is the half-life.

5. Substituting the given half-life into the formula, we have: λ = ln(2) / 210.

6. Now, we need to find the time it takes for the decay rate to fall to 0.58 of its initial rate. Let's call this time "t".

7. Using the formula for the decay rate, we can write: 0.58 * R₀ = R₀ * e^(-λt).

8. Simplifying the equation, we get: 0.58 = \(e^{(-\lambda t\)).

9. Taking the natural logarithm of both sides, we have: ln(0.58) = -λt.

10. Substituting the value of λ from step 5, we get: ln(0.58) = -(ln(2) / 210) * t.

11. Solving for t, we have: t = (ln(0.58) * 210) / ln(2).

12. Evaluating the expression, we find: t ≈ 546.

13. Therefore, it would take approximately 546 days for the decay rate of the sample of this radioactive isotope to fall to 0.58 of its initial rate.

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Answer:

1.4 m/s to the left

Explanation:

just took it c:

Answer:

gravitational lensing

Explanation:

Answer:

Gravitational lensing

Explanation:

The speed of air at the intake area is \(\frac{10A_2}{A_1} \) (m/s).

The continuity equation is used to determine the flow rate at different sections of a pipe or fluid conduit.

The continuity equation is given as;

\(A_1v_1 = A_2 v_2\)

The speed of air at the intake area is calculated as follows;

\(A_1 v_1 = A_2 v_2\\\\ v_1 = \frac{A_2 v_2}{A_1} \\\\ v_1 = \frac{10A_2}{A_1} \)

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Answer:

140 beats per minute

Explanation:

There are 60 seconds in a minute and we know that Sherry felt 14 beats in 6 seconds if you multiply 6 by 10 you get 60 seconds which can be 1 minute. Then you multiply 14 by 10 since you 14 by 10 since you multiplied 6 by 10 and you get 140 beats per minute.

George burnt his fingertips so badly that he can't feel anything with them anymore, then the papillary layer part of his skin must have been damaged, therefore the correct answer is option A.

It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.

As given in the problem George burnt his fingertips so badly that he can't feel anything with them anymore.

Option A is the appropriate response since George must have injured the papillary layer of his skin if his fingertips were burned so badly that he can no longer feel anything with them.

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Answer:

I’m pretty sure it’s B. It is harmful to the person and beneficial to the bacteria.

Explanation:

I’m taking the test right now. But if you think about it the bacteria is fighting off the medicine to which means the bacteria will just keep growing. So I’m 97% sure it’s B. Good luck you can do it don’t stop believing in yourself!!!!!! Hope I helped. And remember at the end of the day all that matters is love and happiness not grades!!!!!!!

Answer:

Answer is B!

Explanation:

I took the cumulative exam and got 100%

Answer:

c

Explanation:

While people are working, they need to have a strong bond with their teammates,to face all the hardships .

thus, teammates work together, win and lose together, and often eat and live together.

The teammate bond is often so strong to win the match. Teammates work together, win and lose together and often eat and live together. Hence, option C is correct.

When people work together the bond between them is important. When they are connected with each other they can build trust and they can improve communication. When the team members are connected will help to achieve their goals.

In sports, the teammate bond must be strong in winning the match. When teammates are bonding, they progressively work harder to win the match. They encourage each other, comfort each other and help other teammates to overcome the stress of practice.

The benefits of teammate bonding are to increase communication, trust, and support for each other. For a successful team, team bonding is important where everyone feels comfortable and works together.

Hence, the teammates work together, win and lose together, and often eat and live together. Thus, option C is correct.

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Scientists typically collect ozone samples from the stratosphere, which is the atmospheric layer located between about 10 and 50 kilometers (6 to 30 miles) above the Earth's surface.

The stratosphere is the layer of the Earth's atmosphere located above the troposphere and below the mesosphere. It extends from about 10 kilometers (6 miles) to about 50 kilometers (30 miles) above the Earth's surface.

The stratosphere is characterized by a gradual increase in temperature with altitude, due to the absorption of ultraviolet radiation by ozone in the stratosphere.

This is where most of the Earth's ozone is found and where the ozone layer is located. The ozone layer absorbs harmful ultraviolet (UV) radiation from the sun, protecting life on Earth from its harmful effects. Scientists collect air samples from this layer using airplanes or weather balloons equipped with specialized instruments.

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Given that the flower pot's height is 45 meters, the speed at which it will hit the ground is v = 29.69 m/s.

We are aware that kinetic energy is equivalent to KE=1/2mv2, where v is the pot's velocity.

Utilizing the law of conservation of energy, potential energy PE = mgh with v = 29.69 m/s and KE = PE 1/2mv2=mgh

V = 29.69 m/s is the speed at which the pot impacted the earth.

The definition of energy is the "capacity to accomplish work, which is the ability to apply a force producing the displacement of an item." Despite this unclear description, energy simply refers to the power that propels motion. There are two categories of energy: potential and actual.

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Part A: Y is 7.1 when v = 0.98c.

Part B: When compared to what would be predicted if classical mechanics was accurate, the bus's momentum is much more than seven times greater.

Part A: Actual momentum of the bus moving at 0.98 c.

velocity of interplanetary express bus v = 0.98 c.

Thus,

Y = 1/√(1 - v²/c²)

Y = 1/√(1 - (0.98c)²/c²)

Y = 7.07

Thus, Y = 7.1 for v = 0.98c.

Part B: Momentum of an electron traveling at 0.98 c

As Y = 7.1 for v = 0.98c.

Thus, when compared to calculations made using classical physics, the bus's momentum is more than seven times greater.

The same holds true for electrons and other fast moving objects.

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Answer:

Distance of 400m.

Explanation:

Use your kinematics equation to solve for distance (we can use kinematics b/c acceleration is constant).

d = (initial velocity x time) + 1/2 at^2

d = (20 x 10) + 1/2 (4) (10)^2

d = 200 + 200

d = 400 m

Answer:

Kinetic energy is the energy of anything in motion. Your muscles move your leg, your foot kicks the ball, and the ball gains kinetic energy from the kick. So you can think of the action of kicking the ball as a story of energy changing forms.

Explanation:

Laser printers work with the use of heat and positive and negative charges of the plastic ink dots themselves.

Option A is correct.

Heat and both positive and negative charges power laser printers. Text or images are imprinted with a negative charge by the laser on areas of the printer drum. The locations on the drum that have this negative charge attract the dust of plastic ink.

A laser printer operates on the principle of static electricity. By applying an electrical current to the photoreceptor drum at first, corona wire gives it a positive charge. After that, in accordance with the information sent by the computer, the printer projects a tiny laser beam horizontally across the surface.

Incomplete question :

A.Laser printers work with the use of heat and positive and negative charges.

B.The laser etches a negative charge on spots of the printer drum in the form of text or images.

C.The plastic ink dust is attracted to the places on the drum with this negative charge.

What is the charge of the plastic ink dots themselves

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A VfL (Vertical Field LED) backlighting system is commonly used in LCD (Liquid Crystal Display) televisions.

LCD TVs rely on a backlight to illuminate the liquid crystal layer, which controls the passage of light to create the visual image. The VfL technology is a specific type of LED backlighting arrangement used in certain LCD TV models. In a VfL backlighting system, the LEDs (Light-Emitting Diodes) are positioned vertically along the edges of the LCD panel.

The light emitted by these LEDs is directed across the panel using light guides or optical films, illuminating the liquid crystal layer uniformly. One advantage of VfL backlighting is its ability to provide consistent illumination across the LCD panel, reducing any potential inconsistencies in brightness or color uniformity. The vertical orientation of the LEDs allows for more precise control over light distribution, improving overall image quality.

Additionally, VfL backlighting offers potential advantages in terms of power efficiency. By selectively dimming or turning off specific zones of LEDs, local dimming techniques can be employed to enhance contrast and black levels, resulting in improved picture quality while conserving energy. It's important to note that VfL backlighting is just one of several backlighting technologies available for LCD TVs.

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The equation of the path of a projectile is y = x(1 - x). Projectile motion is the movement of an object in a parabolic trajectory as a result of being propelled or released under the influence of gravity. A projectile, in simple terms, is any object that is launched into the air, such as a bullet, a baseball, or a rock. It's important to note that the parabolic trajectory is due to the force of gravity acting on the object.

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The average force of air resistance while the baseball/bullet was F=-0.94N

Given:

mbullet=0.030 kg

vbullet=200m/s

mbasketball=0.15kg

To solve the velocity after collision, we will use the conversation of momentum

m₁v₁=m₂v₂

\(v_{2} =\frac{m_{1}v_{1} }{m_{2} }\)

since the baseball is at rest before the collision, the initial momentum can be calculated purely from the bullet

m₁=mbullet=0.030kg.

v₁=vbullet=200m/s

However, since the bullet lodges to the baseball after the collision, the mass after the collision should be

m₂=mbullet+mbaseball

m₂=0.030kg+0.15kg

m₂=0.18kg

plugging in the values to the equation of v₂

v₂=(0.030)(200)/0.18

v₂=33m/s

To calculate the average force air resistance, we must first determine the work done by the air on the bullet and baseball

-Wair=Wbullet+baseball-Wgravity

Since work done by the bullet and baseball is purely kinetic energy, it can be expressed as

\(Wbullet+baseball=\frac{1}{2}mv^2\)

On the other hand, the work done by gravity is purely potential thus

Wgravity=mgh

we can now express the work done on the air as follows

\(Wair=\frac{1}{2} mv^2+mgh\)

plugging the given values

\(Wair=\frac{1}{2} (0.18)(33.333)^2+(0.18)(9.8)(37)\)

Wair=-34.73J

We will now use the work equation to calculate the average force of air resistance:

W=Fd

\(F=\frac{W}{d} \\\\F=\frac{-34.73}{37}\)

F=-0.97N

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Answer:

Impact Craters.

Explanation:

An impact crater can be defined as a circular depression that is caused by impact on any planet or asteroids or any other celestial body's surface. When smaller body in galaxy impacts these larger bodies, they form a circular depression on it's surface.

This is a major feature found in solid object such as the Moon, Mercury, etc.

Therefore, the feature that a planet does not require is an impact crater. As other features are important to define a planet. Thus correct option is C.

The final velocity of the 25.8 g marble after the collision is 16.15 cm/s.

The velocity of the 25.8 g marble after the collision is calculated as follows;

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

where;

The final velocity of the 25.8 g marble after the collision is calculated as;

( 25.8 x 21 ) + ( 12.4 x 13.8 ) = ( 12.4 x 23.9 ) + ( 25.8v )

712.92 = 296.36 + 25.8v

25.8v = 416.56

v = 416.56 / 25.8

v = 16.15 cm/s

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Interpret If a hurricane got to point B, would it be more likely to stay a hurricane. because warm ocean water is what creates hurricanes. The hurricane will likely continue to be a hurricane if it travels to point b because it will still be on the ocean.

A tropical storm is considered a hurricane if its sustained winds are 74 mph or higher. The eye of a storm can extend 400 miles and is normally 20 to 30 miles wide. Storms can be hazardous due to their intense rainfall, powerful gusts, and storm surges. A spiral arrangement of thunderstorms that produce torrential rain and squalls, a low-pressure center, and powerful winds are the characteristics of a tropical cyclone, a fast revolving storm system.

In a 2014 study, Dr. Edward Rappaport, the National Hurricane Center's deputy director, found that water is the No. 1 killer during a hurricane or tropical storm that strikes the U.S., accounting for nearly 90% of all tropical cyclone deaths. Most people drown in storm surge, rainfall flooding, or high surf.

Warm ocean water and humid, moist air are required for one to form. Water is released from the air, forming the storm clouds, while humid air is flowing upward at a zone of low pressure over warm ocean water. The air within a storm rotates as it climbs.

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