The acceleration can be defined as the change in velocity with respect to time. The velocity of the particle is 1200 m/s.
What is the kinematic equation?
The movement of the particles is described with the rate of change in the position of the object with respect to time. The change in position, velocity, and acceleration is given by the Newton's kinematics equations.
The velocity of particle with respect to acceleration can be given as:
[tex]v=u+at[/tex]
Where, the initial position rest has the initial velocity, [tex]u=0\rm \;m/s[/tex]
The acceleration of the particle, [tex]a= 8. 0\;\rm m/s^2[/tex]
The time for the final velocity, [tex]t=150\;\rm sec[/tex]
Substituting the values in the equation for final velocity, v:
[tex]v= 0+ 8. 0\;\times\;150\;\rm m/s\\\textit v=1200\;m/s[/tex]
The velocity of the particle after 150 seconds is 1200 m/s.
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If lava from volcanoes moves slowly enough that people can get away from it, why are volcanoes dangerous?
Answer:
I think this is the right answer, I researched this. I am not sure if this is the right answer.
Lava flows rarely kill people because they move slowly enough for people to get out of their way. If magma is thick and sticky, gases cannot escape easily. Pressure builds up until the gases escape violently and explode. ... Explosive volcanic eruptions can be dangerous and deadly.
Explanation:
What is an aquifer?
Question 2 options:
a type of surface water
pore space in the rock and soil layer beneath our feet
precipitation that soaks through the surface soil
natural underground storage area
List two ways you will take care of seniors, babies, family members with special needs, or pets during
an emergency
Answer:
prepare
Assemble a disaster supply kit.
Locate safe places in your home for each type of disaster.
Determine the best evacuation routes from your home.
Become trained in first aid and CPR.
Show each family member how and where to shut off utilities (water, gas, electricity).
Explanation:
A covalent molecule Q contains exactly 6 shared electrons. What is Q
Answer:
oxygen has six shared electrons
Covalent molecules are the group of atoms that shares a covalent bond. Ammonia is a molecule that shares three pairs or six electrons to form a covalent bond.
What are covalent bonds?Covalent bonds are the intermolecular bonds that mutually involve the sharing of electrons between the two or more atoms of the molecules. In ammonia three pairs of electrons are in a covalent bond.
In an ammonia molecule nitrogen have five electrons in its outer shells and hydrogen have one electron each. When three hydrogen shares their electrons with nitrogen to make a covalent bond the octet of the nitrogen atom is completed.
Therefore, covalent molecule Q is ammonia.
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There can be many different colors of beetles within the same species.This is an example of
Answer:
natural selection
Explanation:
The process that results in changes to the genetic material of a population over time
Some _____ gels have fiberglass strands compounded into them during the manufacturing process. Milady
After performing an experiment in the lab, Michelle finds that she has produced 15.6 g of compound. She calculated that the theoretical yield of her reaction was 17 g. What percent yield did Michelle achieve?
a) 109%
b) 91.8%
c) 8.2%
d) 0.918%
Answer:
b
Explanation:
percentage yield = mass of what is produced ÷ theoretical yield x 100
percentage yield = 15.6÷17=0.9176470588235
x 100 = 91.76
this rounds to 91.8%, so the answer is b. :)
One protein is digested by the body what molecules did they become
If I have 8.5 moles of gas at a temperature of 83 °C, and a volume of 100.0 liters, what is the pressure of the gas?
Answer:
1.18 atm
Explanation:
We need to use the Ideal Gal Law for this question:
PV = nRT, where P is the pressure, V the volume, n the moles, R the gas constant, and T the temperature in Kelvins.
I'll choose a gas constant that has units compatible with the given conditions:
R = 0.08206 (L*atm)/(K*mol)
P = (8.5 moles)*(0.08206 (L*atm)/(K*mol))*(365.1K)
Make sure all the units cancel except atmospheres.
P = 1.18 atm
Explain how hormones control the menstrual cycle? ( 6 )
The menstrual cycle is regulated by hormones. Luteinizing hormone and follicle-stimulating hormone, which are produced by the pituitary gland, promote ovulation and stimulate the ovaries to produce estrogen and progesterone.
Which characteristics describe bacteria
Answer:
5 simple characteristics of bacteria-
Single-Celled.
Absent Organelles.
Plasma Membrane.
Cell Walls.
DNA.
Explanation:
What is the atomic number and mass number of calcium ?
Answer:
Calcium has an Atomic number of 20 and Atomic mass of 40.078 u
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Which environmental change is considered short term? forest fire ice age mountain building solar energy changes
Answer:
Forest fire
Explanation:
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Environmental change that is considered short term is forest fire.
What is short term environmental change?Short-term environmental change is the environmental change that occurs quickly and affects organisms. Forest fires are an example of a short- term environmental change.
Short-term changes include changes in seasonal patterns, unseasonal rainfall, changes in the life cycle of insects and animals, and so on. Long term changes examples are melting of glaciers or a rise in levels of water bodies which may cover islands close to sea level.
El Niño and La Niña are two examples of short-term climate changes lasting one to a few years. In an El Niño, the trade winds reverse direction, as do the equatorial surface currents. This causes warm water to pool off of South America and stop upwelling. A La Niña is like normal conditions only more so.
Therefore, Environmental change that is considered short term is forest fire.
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What is the iupac name of the oxyacid formed from chlorite?.
The IUPAC name of the oxyacid formed from chlorite is chlorous acid.
All oxyacids have the acidic hydrogen bound to an oxygen atom, so bond strength (length) is not a factor, as it is with binary nonmetal hydrides. Rather, the electronegativity of the central atom and the number of oxygen atoms determine oxyacid acidity. For oxyacids with the same central atom, acid strength increases with the number of oxygen atoms attached to it. With the same number of oxygen atoms attached to it, acid strength increases with increasing electronegativity of the central atom.
Compared to the salts of their deprotonated forms (a class of compounds known as the oxyanions), oxyacids are generally less stable, and many of them only exist formally as hypothetical species, or only exist in solution and cannot be isolated in pure form.
Thus, the IUPAC name of the oxyacid formed from chlorite is chlorous acid.
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is soulubility maseruble physical property
If you have 1.00 grams of NaHCO3 , how much IM HCI will you need to react all of the NaHCO3? Give your answer in mls.
Answer:
Here is your answer
Explanation:
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how much oxygen is typically required to complete a combustion reaction
A.Triple to Quadruple the amount listed
B. Same as the amount listed
C. Ten times amount listed
D. Double or triple the amount listed
Answer:
Mass of oxygen required = 19.5 moles × 16 g/mol = 312 g.
Explanation:
Yeast contribute to beer brewing by producing ________ during alcohol fermentation. ethanol ethanol methanol methanol oxygen
Yeast is a substance which contributes to beer brewing by producing ethanol during alcohol fermentation.
What is Fermentation?This a process in which carbohydrate is converted into an acid or alcohol. A common fungus used by brewing companies in fermentation processes is referred to as Yeast.
It converts Sugar to the following products:
ethanol, CO2HeatRead more about Fermentation here https://brainly.com/question/546578
In a heat engine, 700 J of heat enters the system, and the piston does 400 J of work. What is the final internal (thermal) energy of the system if the initial energy is 1200 J? 300 J 900 J 1100 J 1500 J.
The first law of thermodynamics characterises the two types of energy transfer, as heat and as thermodynamic. The final internal (thermal) energy of the system is 1,500 J.
What is internal energy?The energy present in a system itself for conducting reactions is called internal energy.
Given,
Heat entering system (Q) = 700 JWork done by the piston (W) = 400Initial energy [tex](\rm U_{1})[/tex]= 1200 JAccording to the first law of thermodynamics:
[tex]\rm Q = \Delta U + W[/tex]
Substituting values in the above equation:
[tex]\begin{aligned}\rm Q &= \rm U_{2} - U_{1} + W\\\\\rm U_{2} &= \rm Q - W + U_{1}\\\\\rm U_{2} &= 700 - 400 + 1200\\\\&= 1500 \;\rm J\end{aligned}[/tex]
Therefore, option D. 1500 J is the final energy.
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Answer: The answer would be: 1500 J
Explanation:
took the quiz
What errors or inherent limitations of the procedure used in this lab might have changed the amount of limonene you have calculated to be present in orange rind as compared to the amount that would actually be extracted in an industrial facility
In this experiment, errors may be due to the presence of impurities of the splashing of solutions used in the laboratory analysis.
What are errors in experiments?Experiments are often used by scientists to determine cause and effect relationships. These experiments are often not free from errors. These errors affect the quality of the results from the experiments.
In this experiment, errors may be due to the presence of impurities of the splashing of solutions used in the laboratory analysis.
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Which statement best describes how a compound is different from an element?
Answer:
An element is a substance that cannot be chemically decomposed into simpler substances. An atom is the smallest particle of an element that can take part in chemical reactions. A compound is a substance formed from two or more elements chemically joined (bonded) together.
Explanation:
.Each of the three resonance structures of NO3– has how many lone pairs of electrons?
Answer:
➢ There are eight lone pairs of electrons in each of the three resonance structures of NO3- ion. These eight lone pairs are provides by three oxygen atoms. There are no lone pairs on nitrogen atom.
[tex]Into \: your Arms[/tex]
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1. What type of circuit is in the diagram?
parallel circuit
series circuit
Answer:
A series circuit is defined as the circuit in which a number of resistances are connected one after the other.. In a series circuit, the flow of current follows a single path.
A parallel circuit is defined as the circuit in which a number of resistances are linked across each other in such a way that one terminal of each resistance is connected to form a junction point while the remaining end is also connected to form another point.
You havent added the diagram so i cant tell you the answer, but i added the definition of each circuit, see if that helps!
Calculate the number of SO2 molecules in 5.65 mol of SO2.
Answer:
[tex]3.40x10^{24}[/tex] molecules
Explanation:
[tex]\frac{5.65mol}{1} *\frac{6.02*10^{23}mlx }{1 mol}=3.4013x10^{24} mlx[/tex]
btw mlx stands for molecules and i put the answer in correct sig figs in case your teacher is like mine and wants answers in correct significant figures
An angle grinder is best suited for use with which material?.
3. An automobile tire has a pressure of 210.0 kPa at 20.0°C. What will be the
tire pressure after diving, if the tire temperature rises to 35.0°C? (221 kPa)
Answer:
answer=217.047pa
Explanation:
we apply the Gay Lussac's law "at constant volume the pressure of a fixed mass of a gas is directly proportional to kelvin temperature"
p1/t1=p2/t2
hence we can modify the equation
p2=t2*p1/t1
=210*308/298
=217.047pa
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Phosphorus forms many oxoacids. Indicate the oxidation number of phosphorus in each of the following acids:
(a) HPO3, (b) H3PO2, (c) H3PO3, (d) H3PO4, (e) H4P2O7, (f) H5P3O10.
Answer:I need it
Explanation: I have the same quision in my chemistry exam but i dont have the answer
What mass of water can be made from 24 grams of oxygen and 16 g of hydrogen?
H2 + O2 -> H2O
Answer:
27.025 g of H₂O
Explanation:
The Balance chemical equation is
2 H₂ + O₂ = 2 H₂O
Step 1: Calculate Limiting Reagent
Moles of H₂
Mole = 16 g / 2.02 g/mol = 7.937 mol
Moles of O₂
Mole = 24 g / 32.00 g/mol = 0.750 mol
Mole ratio of H₂ : O₂ is 2 : 1. Hence, 7.937 mol of H₂ will need 3.9685 mol of O₂. This means O₂ is limiting reagent.
Step 2: Calculate Moles of H₂O
0.750 mol of O₂ will produce 1.50 mol of H₂O because the mole ratio of O₂ : H₂O is 1 : 2.
Step 3: Calculate mass of H₂O
Mass = 1.50 mol × 18.02 g/mol = 27.025 g of H₂O
What is carbon made up of?
Carbon atoms is made up of a nucleus of neutrons and six protons which is surrounded by six electrons.
What is Carbon?This refers to a chemical element which has an atomic number of 6 and is denoted as C. It is the major constituent of all organic substances which are present in nature.
Examples include carbohydrate, hydrocarbons etc and usually acts as the central atom in reactions.
It is made up of neutrons, six protons and six electrons thereby making it the most appropriate choice.
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Fill the chart below (23.46.haploid,diploid,gametes, body cells, reproduction, growth/healing”
Answer:
A. Gametes are formed by meiosis and are haploid, while body cells are formed by mitosis and are diploid.
Explanation:
Meiosis is a type of cell division that produces four haploid daughter cells (gametes) from one cell, while mitosis produces two diploid daughter cells (i.e., somatic cells). In both cases, the DNA is replicated during interphase of the cell cycle