3. A baseball has a momentum of 6 kg*m/s. If the mass of the baseball is 3 kg, what
is the baseball's velocity?

Answer:

the specific combination of genes contained within the cell.

Explanation:

ex: AaBg

Answer: See below

Explanation:

For the first molecule, Al3H, there are:

For the second molecule, CH2F2, there are:

For the third molecule, PH3, there are

For the final molecule, O3, there are:

Answer:

Massachusetts Institute of Technology

Summary:

A new surgical technique could allow prosthetic limbs to feel much more like natural limbs. Through coordination of the patient's prosthetic limb, existing nerves, and an artificial muscle graft, amputees would be able to sense where their limbs are in space and to feel how much force is being applied to them.

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Answer:

The function of tendons can be classified into two categories: tensile force transmission, and storage and release of elastic energy during locomotion. The action of tendons in storing and releasing energy is mainly seen in sports activities with stretch‐shortening cycles (SSCs). The more intense the SSC movements are (jumping‐like activities), the more frequently tendon problems are observed. High SSC movements impose high loads on tendons. Consequently, tendons that frequently deal with high SSC motion require a high energy‐absorbing capacity to store and release this large amount of elastic energy. As the elasticity of tendon structures is a leading factor in the amount of stored energy, prevention and rehabilitation programmes for tendon injuries should focus on increasing this tendon elasticity in athletes performing high SSC movements. Recently, it has been shown that ballistic stretching can significantly increase tendon elasticity. These findings have important clinical implications for treatment and prevention of tendon injuries.

Explanation:

Answer:

the water evaporates

Explanation:

have a good day

Answer:

The electrons are attracted to the nuclei of both atoms.

Explanation:

Electrons are attracted to nuclei because nuclei are positively charged and electrons are negatively charged. Opposites attract

Answer:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

Explanation:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs - equal and opposite action-reaction force pairs. 

Answer:

I think you're supposed to answer that yourself because it's asking your personal opinion. I'd personally like to know in advance

Answer:

Covalent

Explanation:

Covalent Bonds. Another type of strong chemical bond between two or more atoms is a covalent bond. These bonds form when an electron is shared between two elements and are the strongest and most common form of chemical bond in living organisms.

Answer:

A, D

Explanation:

Answer:

viscosity

Explanation:

one one left is mercury and the other one is honey right?

Answer:

high surface tension versus low surface tension

Explanation:

hope this helps!^^

When you burned the chip, The original source of energy conversions was chemical energy. Which then converted to light, thermal, sound, and kinetic energy.

Answer:

Explanation:

1 * N = 14

3 * H = 3

Cl =   35.5

Total 52.5

Answer:

Ammonium chloride is the correct answer

Answer:

Incandescence is the emission of light caused by high temperature. ... Metals, such as aluminum, magnesium, and titanium, burn very brightly and are useful for increasing the temperature of the firework. Luminescence the emission of light by a substance that has not been heated.

Explanation:

The word incandescence refer to the light produce from heat. When solution is heated it will rise up the light scale through infrared, red and the rest of the color. Fireworks is create by controlling the amount of heat which keep it in one color.

Fireworks are a class of low explosive pyrotechnic device used for aesthetics and entertainment purpose.

They are commonly used in displays, combining a large number of devices in an outdoor setting.

With increase in sound level it can lead to restlessness, temporary or permanent hearing loss, high blood pressure and sleep disturbance.

Fireworks can also cause respiratory problems such as chronic or allergic bronchitis, asthma etc.

Fireworks release a fine cloud of smoke and particulate matter affecting local area quality.

Thus, the word incandescence refer to the light produce from heat. Fireworks is create by controlling the amount of heat which keep it in one color.

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Answer:

D. the various temperatures in the freezers, and the time it takes water to freeze

Explanation:

The dependent variable is the variable in an experiment that is subject to being tested and put under observation.  

The independent variable is the variable that is changed and altered in order to bring certain effect on the dependent variable.  

The various temperatures in the freezers is the independent variable that is subject to change and alteration while the time it takes water to freeze is the dependent variable.

The affect of ground water depletion is Lower water level, Loss of vegetation and Wildlife disruption.

The amount of water that is present below the upper surface area of the land, which are not easily accessible is known as ground water.

And this ground water keeps the soil hydrated and responsible for good vegetation by providing many minerals through water, wildlife is also depends on the ground water as they provide survival for many species. If the ground water is deplected then it also affects the flow of streams and lower water level.

Hence option (d) is correct i.e. All of the above.

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Answer

D. All of the above

Explanation

Answer:

number of protons in the nucleus, number of energy levels, and the shielding effect.

Explanation:

I hope this helps :)

The final temperature, in degrees Celsius, of the gas is 34.62 °C

From the question, we are to determine the final temperature, in degrees Celsius

From the Pressure law or Gay-Lussac's law

We have that, for a given mass and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its absolute temperature.

Using the formula,

[tex]\frac{P_{1} }{T_{1}} = \frac{P_{2} }{T_{2}}[/tex]

Where P₁ is the initial pressure

T₁ is the initial temperature

P₂ is the final pressure

and T₂ is the final temperature

From the given information,

P₁ = 739 mmHg

T₁ = 23 °C = 23 + 273.15 = 296.15 K

P₂ = 768 mmHg

T₂ = ?

Putting the parameters into the formula, we get

[tex]\frac{739}{296.15}=\frac{768}{T_{2} }[/tex]

Then,

[tex]T_{2} = \frac{768 \times 296.15}{739}[/tex]

T₂ = 307.77 K

Therefore,

T₂ = 307.77 - 273.15 = 34.62 °C

Hence, the final temperature, in degrees Celsius, of the gas is 34.62 °C

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Here is the complete question:

A gas sample has a pressure of 739 mmHg when the temperature is 23 °C. What is the final temperature, in degrees Celsius, when the pressure is 768 mmHg, with no change in the volume or amount of gas?

Answer: The soil biota benefits soil productivity and contributes to the sustainable function of all ecosystems. The cycling of nutrients is a critical function that is essential to life on earth. Earthworms (EWs) are a major component of soil fauna communities in most ecosystems and comprise a large proportion of macrofauna biomass. Their activity is beneficial because it can enhance soil nutrient cycling through the rapid incorporation of detritus into mineral soils. In addition to this mixing effect, mucus production associated with water excretion in earthworm guts also enhances the activity of other beneficial soil microorganisms. This is followed by the production of organic matter. So, in the short term, a more significant effect is the concentration of large quantities of nutrients (N, P, K, and Ca) that are easily assimilable by plants in fresh cast depositions. In addition, earthworms seem to accelerate the mineralization as well as the turnover of soil organic matter. Earthworms are known also to increase nitrogen mineralization, through direct and indirect effects on the microbial community. The increased transfer of organic C and N into soil aggregates indicates the potential for earthworms to facilitate soil organic matter stabilization and accumulation in agricultural systems, and that their influence depends greatly on differences in land management practices. This paper summarises information on published data on the described subjects.

Explanation: Protection of the soil habitat is the first step towards sustainable management of its biological properties that determine long-term quality and productivity. It is generally accepted that soil biota benefits soil productivity but very little is known about the organisms that live in the soil and the functioning of the soil ecosystem. The role of earthworms (EWs) in soil fertility is known since 1881, when Darwin (1809–1882) published his last scientific book entitled “The formation of vegetable mould through the action of worms with observations on their habits.’’ Since then, several studies have been undertaken to highlight the soil organisms contribution to the sustainable function of all ecosystems [1]. Soil macrofauna, such as EWs, modify the soil and litter environment indirectly by the accumulation of their biogenic structures (casts, pellets, galleries, etc.) (Table 1). The cycling of nutrients is a critical ecosystem function that is essential to life on earth. Studies in the recent years have shown increasing interest in the development of productive farming systems with a high efficiency of internal resource use and thus lower input requirement and cost [2, 3]. At present, there is increasing evidence that soil macroinvertebrates play a key role in SOM transformations and nutrient dynamics at different spatial and temporal scales through perturbation and the production of biogenic structures for the improvement of soil fertility and land productivity [4, 5]. EWs are a major component of soil fauna communities in most natural ecosystems of the humid tropics and comprise a large proportion of macrofauna biomass [6]. In cultivated tropical soils, where organic matter is frequently related to fertility and productivity, the communities of invertebrates—especially EWs—could play an important role in (SOM) dynamics by the regulation of the mineralization and humification processes [7–9]. The effects of EWs on soil biological processes and fertility level differ in ecological categories [12]. Anecic species build permanent burrows into the deep mineral layers of the soil; they drag organic matter from the soil surface into their burrows for food. Endogeic species live exclusively and build extensive nonpermanent burrows in the upper mineral layer of soil, mainly ingested mineral soil matter, and are known as “ecological engineers,’’ or “ecosystem engineers.’’ They produce physical structures through which they can modify the availability or accessibility of a resource for other organisms [13]. Epigeic species live on the soil surface, form no permanent burrows, and mainly ingest litter and humus, as well as on decaying organic matter, and do not mix organic and inorganic matter [14]. In the majority of habitats and ecosystems (Table 2), it is usually a combination of these ecological categories which together or individually are responsible for maintaining the fertility of soils [15–17]. EWs influence the supply of nutrients through their tissues but largely through their burrowing activities; they produce aggregates and pores (i.e., biostructures) in the

Answer:

3

Carbon readily forms ionic bonds with other carbon atoms.

Explanation:

Answer:

This is because water molecules are made of atoms. Atoms may have special ends that attract to each-other magnetically, causing the water to look like it merges into 2 different drops.

Put the numbers into your calculator to find the answer! 90 x 32, then divide by 18.02 x 2. Estimation can tell me that the answer is 79.9, or 80!

Answer:

Items that are made from coconut fibers are:

Floor mats, brushes, mattresses, etc.

(You can choose from the options)

Explanation:

Hope this helps

Im new to brainly ^^

Answer: Breads and cakes

Since rate of reaction depends on the surface area of the reactants,  lumps of sodium carbonate react more slowly with dilute nitric acid than powdered sodium carbonate.

The rate of reaction is affected by many factors among which is the surface area of the reactants. We must note that the greater the surface area the quicker the rate of reaction.

As such, the surface area of the powdered sodium carbonate is greater than that of the lumps of sodium carbonate. Therefore, lumps of sodium carbonate react more slowly with dilute nitric acid than powdered sodium carbonate. This is because the particles of the powdered sodium carbonate collide more easily with the acid molecules than the lumps of sodium carbonate.

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Answer: 2.576 kPa

Explanation:

Since the volume does not change, the formula: P/T = P/T can be used.

However, all temperatures must be in kelvin, so to convert the -62 Celsius add 273 and get: 211 K.

Now, plug in to the formula: 6.58 / 539 = P / 211 → Cross multiply and then divide to get: P = 2.576 kPa :)

Answer:

the other person gets brainliest <3

Explanation: