etermine whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain clearly. Not all of these statements have definitive answers, so your explanation is more important than your chosen answer.

8. Bins. I saw two frequency tables of airline passenger weights, one using bins that spanned 10-pound ranges (e.g., 101 to 110 pounds) and the second with bins that spanned 20-pound ranges (e.g., 101 to 120 pounds). The first table had twice as many categories as the second.

Given that

heat capacity of water = 4200

heat capacity of aluminium = 897

heat capacity of oil = 1900

heat capacity of gold = 129

Heat capacity is the amount of heat a material absorbs to increase its temperature by 1 degree Celsius.

So, larger the heat capacity of a material lower will be the temperature change.

If equal amount of energy is applied to the materials, then gold will have the greatest temperature change as its heat capacity is lowest than other materials.

Answer: a =0

Explanation:

The vector that results when one vector is divided into two additional vectors, known as component vectors, is referred to as a vector projection. Additionally, one will be perpendicular to the second vector, and one will be parallel to it.

projection of u on v=

\(\frac{u.v}{|v|} \\\\=\frac{-i+j+\pi .[5i+j-6\pi ]}{\sqrt{25+1+36} } \\\\ =\frac{-5+1-6}{\sqrt{62} } \\=\frac{-10}{\sqrt{62} }\)

The component of u with regard to v is the distance we cover when traversing u and is indicated by the letters v u. The projection of u onto v is known as the vector parallel to v. A unit vector in the direction of v is multiplied by the scalar comp v u to produce the vector known as proj v u, which represents the projection of u onto v. Proj v u is the vector obtained by drawing an arrow instead of the blue line segment that represents comp v u.

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Answer: Potential energy is energy stored in an object due to its position or arrangement. Kinetic energy is the energy of an object due to its movement its motion. Potential energy can be converted into kinetic energy, and kinetic energy can be converted into potential energy.

The amplitude of the electric field vector at the top of the atmosphere depends on the specific wavelength of light and factors such as distance and intensity.

The amplitude of the electric field vector, denoted as E, at the top of the atmosphere can be determined based on the wavelength of the light. The amplitude represents the maximum value of the electric field vector.

Assuming the light is all of one wavelength, let's consider an example with visible light. The wavelength of visible light ranges from approximately 400 to 700 nanometers (nm). Different wavelengths correspond to different colors, with shorter wavelengths representing blue light and longer wavelengths representing red light.

Now, let's assume we have a specific wavelength, such as 500 nm, which corresponds to green light. The amplitude of the electric field vector at the top of the atmosphere would depend on the specific source of light. For example, if the light is emitted by the Sun, the amplitude of the electric field vector would be affected by various factors, including the distance between the Sun and the Earth.

In general, the amplitude of the electric field vector decreases as the distance from the source increases. This is because the intensity of the light diminishes with distance due to spreading over a larger area. Therefore, the amplitude of the electric field vector at the top of the atmosphere would be smaller compared to the amplitude closer to the source.

To calculate the exact amplitude at the top of the atmosphere, additional information, such as the intensity of the light and the distance from the source, would be needed. These factors influence the amplitude and can be calculated using relevant equations, such as the inverse square law.

In conclusion, the amplitude of the electric field vector at the top of the atmosphere depends on the specific wavelength of light and factors such as distance and intensity.

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The example provided, where Isaac Newton showed that the same laws govern motion in both realms of Earth and space, best fits the theory of explanation known as Causal Unifications'.

Causal Unifications theory aims to explain phenomena by identifying common causes or underlying principles that apply to seemingly distinct phenomena. In this case, Newton's discovery of the laws of motion demonstrated that the same fundamental principles govern both celestial and earthly motion.

To summarize, the example of Isaac Newton demonstrating that the same laws govern motion on Earth and in space aligns with the Causal Unificationist theory of explanation, which seeks to identify common causes or underlying principles that apply to seemingly distinct phenomena. By discovering the laws of motion, Newton provided a unified explanation for motion in both realms, challenging the previous belief in separate laws for celestial and earthly motion.

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The mass of the coffee is 253.33 g.

The mass of the coffee can be determined using the formula Q = mcΔT, where Q is the amount of heat transferred, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.

Given:
Q = 190 cal
c = 1.0 cal/gC°
ΔT = 0.75°C

Rearranging the formula to solve for m, we get:

m = Q / (cΔT)

Plugging in the given values:

m = 190 cal / (1.0 cal/gC°)(0.75°C)

m = 190 cal / 0.75 cal/g

m = 253.33 g

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As per the problem statement the acceleration of the dropped ball is 9.8 m/s^2.

The pace at which a speed changes over time is called acceleration.It is the rate at which an object's speed, or velocity, changes. Depending on the direction of the change in velocity, acceleration can be either positive or negative. A positive acceleration indicates that the object is speeding up, while a negative acceleration indicates that the object is slowing down. Acceleration can be expressed using the equation a = (vf - vi) / t, where a is the acceleration, vf is the final velocity, vi is the initial velocity, and t is the time elapsed.

The acceleration of the dropped ball can be calculated using the equation a = (v-u)/t, where a is the acceleration, v is the final velocity, u is the initial velocity, and t is the time elapsed. In this case, u = 0 m/s (since the ball is dropped from rest), v = 19.6 m/s, and t = 2 seconds. Plugging these values into the equation, we get a = (19.6-0)/2 = 9.8 m/s^2, which is the acceleration of the dropped ball.

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A white automobile is a bad example of a blackbody radiator since it reflects the majority of the light that strikes it.

The same colour as an ideal absorber, an ideal radiator, sometimes known as a blackbody, absorbs all radiation that strikes it. White, on the other hand, is a poor radiator and absorber. Like a mirror, a white object reflects all radiation.

Certainly, a red laser pointer is a poor choice for a black body, for the following reasons: A heated object, like a chunk of red-hot metal from a furnace, produces a black body spectrum.

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Answer:

1. True 2.0

Explanation:

1. When balanced forces are acting on an object, they have a constant velocity, meaning that the velocity remains the same.

2. When an object begins at a starting point and returns back to that same starting point, its displacement would be 0.

I'm pretty confident in these answers, however, you must have studied this more than me, so let me know if you have any questions or concerns at all, I'll be glad to help. :)

We can solve this problem using the conservation of energy principle, which states that the total mechanical energy (potential energy + kinetic energy) of a system remains constant if no external work is done on the system.

At the top of the hill, the car has only potential energy, given by:

PE = mgh

where m is the mass of the car, g is the acceleration due to gravity, and h is the height of the hill.

PE = (1000 kg) x (9.81 m/s^2) x (200 m) = 1,962,000 J

At the base of the hill, the car has only kinetic energy, given by:

KE = (1/2)mv^2

where v is the velocity of the car.

Using the conservation of energy principle, we can equate the potential energy at the top of the hill to the kinetic energy at the base of the hill:

PE = KE

mgh = (1/2)mv^2

Canceling the mass on both sides, we get:

gh = (1/2)v^2

Solving for v, we get:

v = sqrt(2gh)

Substituting the given values, we get:

v = sqrt(2 x 9.81 m/s^2 x 200 m) = 44.3 m/s

Therefore, the velocity of the car at the base of the hill is approximately 44.3 m/s.

Answer:

a

Explanation:

are found in the nucleus and are locked in

Answer:

A

Explanation:

Thats what I think the answer is because protons and neutrons bond together in the nucleus.

According to the question, the acceleration of the speedboat relative to the shore is found to be 11.2 \(m/sec^2.\)

Acceleration may be characterized as the rate of change of the velocity of an object with respect to time. It is a vector quantity, as it defined both magnitude and direction. This allows you to measure how fast velocity changes in meters per second squared (m/s^2).

According to the question,

The initial velocity of the boat = 18.5 m/s.

The final velocity of the boat = 46.5 m/s.

Difference in velocity = Final velocity - Initial velocity = 46.5-18.5 = 28 m/s.

The formula for calculating the acceleration of the boat is as follows:

           = 28/2.50 = 11.2 \(m/sec^2\).

Therefore,  the acceleration of the speedboat relative to the shore is found to be 11.2 \(m/sec^2.\)

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Transistors themselves did not directly enable space travel, their invention revolutionized electronics, paving the way for the development of compact, efficient, and reliable electronic systems that played a vital role in making space travel a reality.

The invention of transistors itself did not directly make space travel possible, but it played a crucial role in the development of the technology that made space travel feasible.

Transistors are fundamental components of electronic devices and are widely used in various fields, including aerospace engineering.

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Answer:

Speed of the satellite V = 6.991 × 10³ m/s

Explanation:

Given:

Force F = 3,000N

Mass of  satellite m = 500 kg

Mass of earth M = 5.97 × 10²⁴

Gravitational force G = 6.67 × 10⁻¹¹

Find:

Speed of the satellite.

Computation:

Radius r = √[GMm / F]

Radius r = √[(6.67 × 10⁻¹¹ )(5.97 × 10²⁴)(500) / (3,000)

Radius r = 8.146 × 10⁶ m

Speed of the satellite V = √rF / m

Speed of the satellite V = √(8.146 × 10⁶)(3,000) / 500

Speed of the satellite V = 6.991 × 10³ m/s

Answer:

Option B is the correct definition of an isotope

Answer:

two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei

Explanation: