In 1939, Joe Sprinz of the San Francisco Baseball Club attempted to break the record for catching a baseball dropped from the greatest height. He had baseballs dropped from a blimp 240 m above his head in his attempt. How fast was the baseball travelling when it reached the ground?

The volume of a material is related to temperature through thermal expansion and thermal contraction. Different materials will expand and contract at different rates, and the amount of expansion or contraction also depends on the magnitude of the temperature change.

Temperature and volume are related through the phenomenon of thermal expansion and thermal contraction. Thermal expansion occurs when the temperature of a material increases, causing the material to expand or increase in volume. Thermal contraction is the opposite; when the temperature of a material decreases, the material contracts or decreases in volume.

The amount of thermal expansion or contraction that occurs depends on the type of material, as different materials will respond differently to temperature changes. Generally, solids experience more thermal expansion than liquids, and metals experience more thermal expansion than non-metals. This means that when the temperature of a material increases, the volume of a solid material will increase more than the volume of a liquid material; the volume of a metal material will increase more than the volume of a non-metal material.

The amount of thermal expansion or contraction also depends on the magnitude of the temperature change. Generally, the greater the temperature change, the greater the amount of thermal expansion or contraction. For example, if the temperature of a material is increased from 10°C to 20°C, the material may experience a small amount of thermal expansion. However, if the temperature is increased from 10°C to 100°C, the material may experience a large amount of thermal expansion.

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The resistance is 15 ohms.

Also, it's dissipating 960 watts whenever it's turned on. So it's almost as hot as a toaster, and Minh no longer has hands.

The masses amount of a proton and neutron are 1.0087 and 1.0073 amu respectively.

This is defined as  sub atomic particle which is positively charged and is present in the nucleus while the neutron is also a particle present in the nucleus but has a neutral charge.

Electrons on the other hand are found outside the nucleus and are negatively charged. It is the sub atomic particle which is actively involved in a chemical reaction.

The masses of neutron and proton are 1.0087 and 1.0073 amu respectively and was discovered by scientists thereby making it the most appropriate choice.

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Answer:

Electricity is defined as which possess by flow of eloctrons.

I think it's 3

Explanation:

trust me bro

When the speed of a particle is halved, its kinetic energy is reduced by a factor of four.

The kinetic energy of a particle is given by the equation:

Kinetic Energy = (1/2) * mass * velocity^2

Since kinetic energy is directly proportional to the square of the velocity, reducing the velocity by half results in the kinetic energy being reduced to one-fourth of its original value.

Mathematically, if the initial kinetic energy is K, and the final kinetic energy after halving the speed is K', we have:

K' = (1/2) * mass * (velocity/2)^2

  = (1/2) * mass * (velocity^2 / 4)

  = (1/4) * (1/2) * mass * velocity^2

  = (1/4) * K

Thus, the final kinetic energy is one-fourth (25%) of the initial kinetic energy when the speed is halved.

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The magnitude of the total force of the stone on the man's hand is 1.43N

The rate at which an object's velocity with respect to time changes is referred to as acceleration in mechanics.

The direction of the net force acting on an object determines the direction of its acceleration.

Newton's Second Law's Second Law of Acceleration describes the magnitude of an object's acceleration.

Nis normal force exerted by stone on hand.

According to Newton's third law stone also exerted the same force.

⇒ N-mg= ma

⇒ N=1.3(9.8+1.2)

⇒ N=1.43newton

The magnitude of the total force of the stone on the man's hand is 1.43N

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Answer:

Explanation:

average speed = 90 km / hr

Let the total distance be 2 d .

time required to cover the time = 2 d / 90

time taken   to cover distance d at 50 km /h = d / 50

time required to cover the  nd half = 2 d / 90 -  d / 50

.02222 d  - .02 d = .002222 d

speed required = d/2 / .002222d

1 / 2 x .002222

= 225 km /h .

The kinetic energy of the charge at the end of the process is approximately 37.95 milli-joules.

To determine the kinetic energy of the charge at the end of the process, we can use the principle of conservation of energy. We know that the initial kinetic energy of the charge at point A is 25.6 milli-joules and that it goes through a voltage difference of 6.5 volts.

The electric force acting on a charge is given by the equation F = q * E, where F is the force, q is the charge, and E is the electric field strength. In this case, since the electric force is the only unbalanced force, it is responsible for the change in kinetic energy of the charge.

The work done by the electric force on the charge is given by the equation W = q * ΔV, where W is the work done, q is the charge, and ΔV is the voltage difference. The work done is equal to the change in kinetic energy of the charge.

Therefore, we can equate the work done to the change in kinetic energy:

W = q * ΔV = ΔKE

Substituting the given values into the equation, we have:

(1.9 * 10⁻³ C) * (6.5 V) = ΔKE

Calculating the result, we find that the change in kinetic energy is:

ΔKE ≈ 12.35 * 10⁻³ J

To find the final kinetic energy, we need to add the change in kinetic energy to the initial kinetic energy:

KE_final = KE_initial + ΔKE

KE_final = 25.6 * 10⁻³ J + 12.35 * 10⁻³ J

Calculating the result, we find that the kinetic energy of the charge at the end of the process is approximately:

KE_final ≈ 37.95 * 10⁻³ J

Therefore, the kinetic energy of the charge at the end of the process is approximately 37.95 milli-joules.

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The coefficient of friction = 0.34 between the rope and the support.

This type of question can be solved using Capstan's equation,

Capstan's equation is generally used to calculate the friction of the coefficients or the yarns. Represented as-

\(T_{1} = T_{0}e^{u}\).

Now according to the term coefficient of friction, we calculate the friction between any two surfaces. It is also referred to as the ratio of the resistive force to the normal force.

The Capstain's equation is given by-

\(T_{load} = T_{hold} e^{uo}\)

u is given as μ and o denotes Φ

the load = 7000

hold support is 100N

Φ = 2\(\pi\) for the whole rotation

Since the rope is wrapped 2 times = 4\(\pi\)

7000 = 100\(e^{u4\pi }\)

log on both sides

⇒ u = log 7000/ 100*4\(\pi\)

⇒ u = 0.338

Therefore, the coefficient of friction between rope and support = 0.34

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Answer:

electromagnetic radiation hopefully

ANSWER:

0.00145 J

STEP-BY-STEP EXPLANATION:

Using the rotational form of the kinematic equation to find α:

It started form rest:

Solving for α:

The torque is given by the formula,

Answer:

Energy moves between the particle of the medium.

Explanation:

Answer:

cluttered

Explanation:

The correct word to describe the garage would be cluttered.

A place is said to be cluttered when it is filled with an untidy collection of material things. In this case, the garage is filled with materials such as bike wrenches, tires, frames, etc.

Inviting can also mean tempting, attractive, etc, and has no relevance to the condition of the garage as described in the excerpt.

Dangerous can also mean harmful, and not the right word to describe the garage.

Sparse can also mean scanty, scattered, and would be the opposite of the condition of the garage.

Correct answer: cluttered

Answer:

c.  cluttered

Explanation:

Answer:

1) The Newton's law the Hulk is most closely demonstrating is the Third Law of motion

Newton's third law of motion states that action and reaction are equal and opposite.

2) The reason why the Newton's Law the Hulk is most closely demonstrating is the Newton's Third Law of Motion is that according to Newton's Third Law of motion, forces exist in pairs, the action of the Hulk when he leaps upward by pushing against the the Earth (which can be assumed stationary in relation to the Hulk), is equal to the reaction of the Earth, which moves down slightly, away from its initial position.

However, due to the large mass of the Earth, compared to the mass of the Hulk, the downward motion of the Earth due to the reaction force (equal to the force with which the Hulk leaps) is negligibly small, such that the Earth can absorb the Hulk's leap force by reacting mainly locally, at the leap point  by forming a crater, while the Earth in general, remains in the same place

Explanation:

Answer:

When a body moves along an imaginary straight line towards a single direction, its motion is said to be in one direction. This means that the body moves in a single direction for all the time.

Answer:

The motion of gestures and arm movement can be considered part of the kinesthetic learning style. Kinesthetic learners prefer to learn through physical activity, movement, and tactile experiences. Gestures and arm movements engage the body and provide a physical connection to the learning process.

1. Physical Engagement: Kinesthetic learners rely on physical movement to enhance their learning experience. Gestures and arm movements allow them to physically interact with information and reinforce their understanding. For example, while learning a new concept or solving a problem, kinesthetic learners may use hand gestures to represent different elements or manipulate objects to better comprehend the subject matter.

2. Tactile Connection: Kinesthetic learners often benefit from tactile experiences as it helps them internalize information. By incorporating gestures and arm movements, they create a physical connection to the learning material. These physical actions provide sensory feedback and reinforce the learning process, allowing kinesthetic learners to better retain and recall information.

3. Whole-Body Learning: Kinesthetic learners thrive when they can engage their entire body in the learning process. Gestures and arm movements involve the larger muscles and promote a more holistic learning experience. The physicality of these movements can enhance their understanding and enable them to grasp concepts in a way that complements their learning style.

In conclusion, gestures and arm movements can be considered part of the kinesthetic learning style as they facilitate physical engagement, provide a tactile connection, and support whole-body learning. Incorporating these movements can be an effective strategy for kinesthetic learners to enhance their comprehension and retention of information.

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Answer:

There are several ways to consider the composition of the human body, including the elements, type of molecule, or type of cells. Most of the human body is made up of water and H2O, with bone cells being comprised of 31% water and the lungs 83%.1  Therefore, it isn't surprising that most of the human body's mass is oxygen. Carbon, the basic unit for organic molecules, comes in second. 96.2% of the mass of the human body is made up of just four elements: oxygen, carbon, hydrogen, and nitrogen.

Explanation:

Elements are essential units that are the basic constituents of all living and non-living beings. They are the core of the universe. Every tiny or huge particle comprises elements. Our body is built up of five major elements: Carbon, Hydrogen, Oxygen, Nitrogen and calcium.

Answer: true

Explanation: When dealing with gases, the volume fraction and the mole fraction are the same

The activity in which a competitor displayed good sportsmanship towards me was during a football match.

This is an ethics or attitudes that show respect for the rules of a game and for the other players.

Sportsmanship was shown when i lost the deciding penalty and was consoled by the opponent.

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Microwave photons has the least energy. Option A is correct.

Photons are particles of light energy, which is a type of electromagnetic radiation. They can travel through space at the speed of light and have no mass. Each photon carries a specific amount of energy that is determined by its wavelength or frequency.

The relationship between energy and wavelength is inverse, so photons with longer wavelengths have less energy, and those with shorter wavelengths have more energy. Hence, the photon with the least energy among the given options is a microwave photon. Microwave photons are characterized by longer wavelengths ranging from 1 millimeter to 1 meter. They have less energy compared to other types of photons.

Their energy ranges from about 10^-6 to 10^-4 electron volts (eV), whereas gamma rays have the highest energy among all types of photons and UV photons have more energy than microwave photons. Red and blue photons are visible light photons, with red photons having longer wavelengths and lower energy than blue photons.

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Collected data plays a crucial role in evaluating whether the criteria for success have been met. By analyzing the collected data, one can assess the progress made towards achieving the desired goals and determine if the criteria have been fulfilled.

Data provides an objective measure of performance or outcomes, allowing for an evidence-based assessment of success. It helps to quantify and track key metrics or indicators related to the criteria for success. By comparing the actual data with the predetermined benchmarks or targets, one can determine if the criteria have been met or if further improvements are required.

Data analysis also enables the identification of trends, patterns, and correlations, providing insights into the factors influencing success. It helps in identifying areas of strength and areas that need improvement. Additionally, data can be used for comparative analysis, benchmarking against previous periods or similar projects, to gain a broader perspective on success.

In summary, collected data provides an objective basis for evaluating progress and success by comparing actual performance against predetermined criteria, identifying areas of improvement, and gaining insights for future decision-making.

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Answer:

Explanation:

According to the laws of reflection,

→ Angle of reflection : Angle of which light rays reflect off surface.

→ Angle of incidence : Angle at which light rays strikes the surface.

Answer: reflection

Explanation:

Answer:

Pls mark brainlist...    A graph showing Kepler's 3rd law. ... Kepler's 3rd law is a mathematical formula. It means that if you know the period of a planet's orbit (P = how long it takes the planet to go around the Sun), then you can determine that planet's distance from the Sun (a = the semimajor axis of the planet's orbit).

Explanation:

The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit” That's Kepler's third law. In other words, if you square the 'year' of each planet, and divide it by the cube of its distance to the Sun, you get the same number, for all planets

There are actually three, Kepler's laws that is, of planetary motion: 1) every planet's orbit is an ellipse with the Sun at a focus; 2) a line joining the Sun and a planet sweeps out equal areas in equal times; and 3) the square of a planet's orbital period is proportional to the cube of the semi-major axis of its ..

T=2π√r3GME. For an ellipse, recall that the semi-major axis is one-half the sum of the perihelion and the aphelion.

Johannes Kepler proposed some laws based on the revolution of planets and according to his third law, the time taken for a new planet that is 3.68 x 107 km to travel around the Earth will be 0.121 years.

According to third law of Kepler, if the distance a travelled by a planet is expressed in astronomical unit and period of travel p in years then the relation between these two parameters is written as follows:

P²= a³

Kepler proposed that the planets in the solar system is revolving around the sun in an elliptical orbit and this is somewhat contradictory to the circular orbit model of Copernicus.

The distance of travel is given in 3.68 × 10⁷ km. One kilometer is 6.68 × 10⁻⁹ astronomical unit. Thus the given distance is 3.68 × 10⁷ × 6.68 × 10⁻⁹ = 0.2459 Au

Now, the time period P can be calculated as follows:

P² = (0.2459 Au)³

    = 0.0145

p   = 0.1249 years.

Therefore,  according to Kepler's third law the time taken for a new planet that is 3.68 x 107 km to travel around the Earth will be 0.121 years.

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If the acceleration is constant, the velocity changes at the same rate or said to be uniform.

The rate of change of velocity with respect to time is known as acceleration. According to Newton's second law, the eventual effect of all forces applied to a body is its acceleration.

The formula of the acceleration is;

\(\rm a= \frac{v-u}{t} \\\\\)

When a high-speed train accelerates at a consistent rate in a straight path, the change in velocity is uniform.

Hence, if the acceleration is constant, the velocity changes at the same rate.

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The pH of the blood plasma sample would be approximately 6.076.

To calculate the pH of a blood plasma sample with a total \(CO_2\) concentration ([\(CO_2\)]) of 27.7 mm and bicarbonate concentration ([\(HCO_3^-\)]) of 26.1 mm, we can use the Henderson-Hasselbalch equation:

pH = pKa + log ([\(HCO_3^-\)] / [CO2])

Given that pKa is approximately 6.1 at 37 degrees Celsius, we can substitute the values:

pH = 6.1 + log (26.1 / 27.7)

Calculating the ratio:

pH = 6.1 + log (0.943)

Using logarithm properties:

pH ≈ 6.1 - 0.024

Therefore, the pH of the blood plasma sample would be approximately 6.076.

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Answer:

Mass and volume

Explanation:

Density is determined by two types of measurements mass and volume. The resulting density value is typically expressed in units such as grams per cubic centimeter (g/cm³) or kilograms per liter (kg/L).

Density is determined by two types of measurements:

Mass: Mass is the amount of matter present in an object. It is typically measured in units such as grams (g) or kilograms (kg).

Volume: Volume is the amount of space occupied by an object. It can be measured in units such as cubic centimeters (cm³) or liters (L).

To calculate density, you divide the mass of an object by its volume. The formula for density is:

Density (ρ) = Mass (m) / Volume (V)

The resulting density value is typically expressed in units such as grams per cubic centimeter (g/cm³) or kilograms per liter (kg/L).

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