It is true that insurance is the defense for managing money because it ensures that your money is efficiently utilized even in your absence.
What is insurance?Insurance refers to a means of indemnity against a future occurrence of an uncertain event such as an accident, death, robbery etc.
Insurance is a way to protect one's assets from getting lost when faced with unforeseen circumstances.
For example;
A liability insurance protects one in case another person sues for injuries or loss caused by one's negligence or improper actions. Life insurance protects one's beneficiaries from loss of income by paying them money after one's death.Therefore, it is true that insurance is the defense for managing money because it ensures that your money is efficiently utilized even in your absence.
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How many sub levels does the third energy level have?
The energy levels are also called principal levels. The number of sublevels in the third energy level is three.
What is energy level?The Energy levels are at a fixed distance from the nucleus of an atom, where electrons are arranged in shells.
In the third energy shell, electrons are present. The third principal energy level has three sublevels, s, p and d.
The number of sublevels in the third energy level is three.
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Which of the following statements is correct?
Question 5 options:
Lithium is a metal, Titanium is a nonmetal
Magnesium and Helium are gases.
Copper and Argon conduct electricity,
Calcium is malleable, Sulfur is not malleable.
Option A
Lithium present in group 1 so it's a alkali metal Titanium is outside d block elements hence it's a non metal .Answer:
d) Calcium is malleable, Sulfur is not malleable.
Explanation:
Calcium is a metal and shows property of malleability. Sulfur is a non metal and it does not shows property of malleability. Hence, option (d) is the correct answer.
PLS HELP ME Which object has the greatest kinetic energy?
A: a truck with a mass of 3,500 kg moving at 30 m/s
B: a person with a mass of 73 kg running 6 m/s
C: a locomotive engine with a mass of 205,000 kg moving 5 m/s
D: a fast pitched baseball with a mass of .5 kg moving at 46.9 m/s
A locomotive engine with a mad of 205000kg moving with 5m/s
Explanation:
[tex]from \: the \: options \: substitute \: the \: formulars \: for \: kinetic \: energy \\ for \: opton \: a \: ke = \frac{1}{2} mv {}^{2} = \frac{1}{2} \times 3500 \times 30 {}^{2} = 1575000 \\ for \: option \: b \: ke = \frac{1}{2} mv {}^{2} = \frac{1}{2} \times 73 \times 6 {}^{2} = 1314 \\ for \: option \: \: c = \frac{1}{2}mv {}^{2} = \frac{1}{2} \times 205000 \times 5 {}^{2} = 2562500 \\ for \: option \: d \: = \frac{1}{2}mv {}^{2} = \frac{1}{2} \times 0.5 \times(46.9) {}^{2} = 549.9025 \\ from \: the \: analysis \: above \: the \: options \: that \: has \: the \: highest \: kinetic \: energy \: is \: a \: locomotive \: engine \: with \: a \: mass \: of \: 205000kg \: moving \: with \: a \: velocity \: of \: 5 \frac{m}{s} [/tex]
If 4. 0 j of work are performed in stretching an ideal spring with a spring constant (force constant) of 2500 n/m, by what distance is the spring stretched?
The distance by which the spring is stretched when 4. 0 j of work are performed in stretching it with a spring constant (force constant) of 2500 n/m is 5.7 cm.
How to calculate the work done required stretching the spring?Work done of spring is the product of average force and the displacement. It can be given as,
[tex]W=\dfrac{1}{2}kx^2[/tex]
Here, k is the spring constant and x is the displacement.
The 4. 0 j of work are performed in stretching an ideal spring with a spring constant (force constant) of 2500 n/m. Thus,
[tex]W=4\text{ J}\\k=25000\text{ N/m}\\[/tex]
Put the values in the formula.
[tex]4=\dfrac{1}{2}(2500)(x)^2\\x^2=\dfrac{4\times2}{2500}\\x=\sqrt{0.0032}\\x=0.057 \text{m}\\x=5.7 \text{cm}[/tex]
Thus, the distance by which the spring is stretched when 4. 0 j of work are performed in stretching it with a spring constant (force constant) of 2500 n/m is 5.7 cm.
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In one or two sentences, explain design modifications which were implemented after the tacoma bridge disaster
The modifications that are implemented after Tacoma bridge disaster are added trusses and openings below road decks to decrease oscillations.
Why Tacoma Bridge disaster occurred?While marching, the natural frequency of the vibrations of marching soldiers matched up with the resonant frequency of the bridge. This resulted in the collapsing of the bridge in seconds.
Because of the disaster of the Tacoma Narrows Bridge, the bridge was strengthened by adding trusses as well as openings below road decks so as to decrease vibrations caused by running vehicles on the bridge.
Thus, the modifications that are implemented after Tacoma bridge disaster are added trusses and openings below road decks to decrease oscillations
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What breathe in oxygen (O2) and breathe out Carbon dioxide (CO2)??
Answer:
The answer is Human beings
Answer:
Respiration
Explanation:
because the role of the respiratory system is to inhale oxygen and exhale carbon dioxide were by the cells of the body use oxygen to perform certain functions that keeps us alive and the waste products created by our body cells after they've performed these functions is regarded as carbon dioxide.
What is the wavelength of an electromagnetic wave having a
frequency of 1 hertz? of 100,000 hertz?
Answer:
c = λ f
λ = c / f
λ = 3E8 / 1 = 3.00E8 m wavelength of 1 hertz
λ = 3E8 / 1E5 = 3000 m wavelength of 100,000 hertz
What does the path of an object look like when it is in uniform motion?
Answer:
Graphically the path of an object will be linear; it looks like a straight line when it is in uniform motion.
Which type of radiation occur during nuclear processes? (Select all that apply)
A. Gravitational radiation
B. Acoustic radiation
C. Electromagnetic radiation
D. Particle radiation
*don’t answer if you don’t know*
Answer:
Particle radiation
Explanation:
nuclear process is in atom nucleas maybe emit the electron ,neutrino or anti-neutrino
Identify the functions below as belonging to one of these radio transmission devices: oscillator, transmitting antenna, microphone, or modulator.
Sends out radio waves having the same frequency as the current supplied by the oscillator.
Enables the waves produced by the antenna to “carry” the pattern of the sound waves picked up by the microphone.
Converts a direct current into a high-frequency alternating current.
Picks up sound waves and converts them into suitable electric current with the same pattern as the sound waves.
The option 1,2,3 and 4 are matches with the option B,A,D,and C respectively. Oscillator, transmitting antenna, microphone, or modulator are the type of the radio transmission devices.
What is microphone?Microphone is a radio transmission devices picks up sound waves and converts them into suitable electric current with the same pattern as the sound waves.
The functions of the following radio transmission devices are as follows;
1. Oscillator- (B) Enables the waves produced by the antenna to “carry” the pattern of the sound waves picked up by the microphone.
2. Transmitting antenna-(A) Sends out radio waves having the same frequency as the current supplied by the oscillator.
3. Microphone-(D) Picks up sound waves and converts them into suitable electric current with the same pattern as the sound waves.
4. Modulator-(C) Converts a direct current into a high-frequency alternating current.
Hence, the option 1,2,3 and 4 are matches with the option B,A,D,and C respectively.
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What happened to the balloon when it was placed on the bottle with the baking soda and vinegar and why
Answer:
it creates a gas called carbon dioxide. The gas begins to expand in the bottle and starts to inflate the balloon
Explanation:
Why does this happen? well, The faster-moving particles inside the bottle start to move faster and faster and soon they expand to fill the balloon.
Sulfur dioxide, SO2, is a chemical preservative and antioxidant put in food and beverages in the US. It is stored in cool, dry warehouses in 5-liter containers, which hold a mass of 14.6 kg of SO2 gas. On Friday, May 27, ErCOT experiences a brown-out and the warehouse loses power, which causes it to heat up. If the warehouse is typically kept at 20°C and it heats up to 85°C, how much thermal energy does one container of sulfur dioxide absorb, in kilojoules? [The specific heat capacity of sulfur dioxide at 20°C is 1.37 J/g°C.]
Q=mcΔt
Q=14.6 x 10³ x 1.37 x (85-20)
Q=1.3 x 10⁶ J = 1.3 x 10³ kJ
When summer changes to fall, what seasonal changes do plants experience? (IGNORE HIGHLIGHTED ANSWER)
Answer:
C
Explanation:
There is a decrease in temperature and daylight and plants produce less food.
Please mark brainliest!!
*Quick Reminder: If this is an assignment from homeschool/school, please don't forget to rephrase/summarize/reference from this answer. Keep in mind no plagiarism is allowed in school. And please don't plagiarize this answer. Thanks!*
Car makers have developed cars that are completely electric. They use no gasoline. Instead, they are plugged into electrical outlets. The cars store electricity from the outlets in their batteries. They use the electricity to move. Some people claim that these electric cars are “emission-free”—that is, that they produce no air pollution. Are plug-in electric cars really emission-free? Explain your answer.
Answer:
yes bc we are wasting gas and this will help use less
Explanation:
1. Answer the following questions. a. Which one of the following is not a pure substance? i. Air ii. Sugar iii. Salt iv. Gold
Answer:
A.
Explanation:
The awnser is A because air is made of a combination of compounds making it not a pure substance. The rest are pure substances.
(astronomy)
if gaia's photometric instrument broke down, what would scientists be less
able to measure?
If Gaia's photometric instrument broke down. Scientists will not able to measure the electromagnetic radiation.
What is electromagnetic radiation?
Electromagnetic radiation is a type of energy that is transmitted in incident photons as both magnetic and electric waves.
Electromagnetic radiation has a spectrum with varying wavelengths and frequencies, which gives it different properties.
A device that detects the intensity of electromagnetic radiation is called as the photometric instrument.
Hence,scientists will not able to measure the electromagnetic radiation.
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a pendulum wiht a cord length of 1 m swings in a vertical plane, when the pendulum is in the two horizontal ositions 90 and 270 its speed is 5 m/s what is the magnitude of the radial accelertaion
The magnitude of the radial acceleration of pendulum is 25 rad/s²
What is acceleration?Acceleration can be defined as the rate change of velocity with time.
acceleration a = (Δv) / (Δt)
The centripetal acceleration or radial acceleration for the pendulum is given by
a = v²/r
Given is the radius = cord length of pendulum =1m and the velocity v = 5m/s, then the acceleration will be
a = (5)² /1
a = 25 rad/s²
Thus, the radial acceleration is 25 rad/s²
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A flat, square surface with side length 4.35 cm is in the xy-plane at z=0.
Calculate the magnitude of the flux through this surface produced by a magnetic field
B⃗ = (0.200T)i^ + (0.250T)j^ + (0.550T)k^ .
The textbook isn't being helpful, I'll appreciate a good explanation!
Answer:
I X j = k (perpendicular to plane)
j X k = 0
i X k = 0 cross products for vectors i, j, k
Flux = B dot A and only B in the k direction is relevant
Flux = .550 T * .0435^2 m^2 = .00104 Webers-m^2
The magnitude of the flux through the given surface produced by the magnetic field B is 10.73 T cm².
What is magnetic flux?Magnetic flux is a measure of the amount of magnetic field passing through a given surface. It is defined as the product of the magnetic field B and the area A that it passes through, multiplied by the cosine of the angle between the magnetic field and the surface normal:
Φ = B ⋅ A ⋅ cos(θ)
Where Φ = is the magnetic flux,
B = is the magnetic field,
A = is the area of the surface,
θ = is the angle between the magnetic field and the surface normal.
In other words, magnetic flux is a measure of how much magnetic field passes through a surface, taking into account both the strength of the magnetic field and the orientation of the surface with respect to the field.
Magnetic flux is an important concept in electromagnetism and is used to describe the behavior of magnetic fields in a variety of applications, including generators, motors, and transformers. It is also used in the study of magnetism in materials, such as ferromagnetic materials, where the flux density is an important property.
Here in the question,
To calculate the flux through the given surface produced by the magnetic field B, we can use the formula:
Φ = ∫∫ B · dA
Where Φ = is the magnetic flux,
B = is the magnetic field,
dA = is an infinitesimal area vector pointing outward from the surface.
Since the surface is a flat square in the xy-plane, its normal vector is the unit vector k^. Therefore, the outward-pointing area vector dA can be expressed as:
dA = dx dy k^
Where dx and dy = are infinitesimal elements of length in the x and y directions, respectively.
Integrating over the surface, we have:
Φ = ∫∫ B · dA
= ∫∫ (0.200T i^ + 0.250T j^ + 0.550T k^) · (dx dy k^)
= ∫∫ 0.550T dx dy
= 0.550T ∫∫ dx dy
= 0.550T (4.35 cm)²
Φ = 10.73 T cm²
Therefore, the magnitude of the flux through the given surface produced by the magnetic field B is 10.73 T cm².
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A current carrying wire of length 50cm is positioned perpendicular to a uniform magnetic field
A current-carrying wire of length 50 cm is positioned perpendicular to a uniform magnetic field. The magnetic field strength is 0.6 Tesla.
What is magnetic field?The magnetic field is the region of space where an object experiences a magnetic force as it enters the field.
Given is the wire of length 50 cm = 0.5 m and the current is 10.0 A. There is a resultant force of 3.0 N on the wire due to the interaction of the current and field.
The relation between magnetic field strength and current is
F = ILB
Substituting 50 for L, 10 for I and 3 for F, we get the magnetic field strength B.
3 = 10 × 0.5 × B
B= 0.6 Tesla
Therefore, the magnetic field strength is 0.6 Tesla.
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The kinetic energy, k, of an object varies jointly with the mass of the object and the square of the velocity of the object. a 50-kg object moving at a velocity of 20 meters per second has 10,000 joules of kinetic energy. how many joules of kinetic energy does a 25-kg object moving at a velocity of 10 meters per second have? 250 joules 1,250 joules 2,500 joules 3,125 joules
Answer:
KE = 1/2 M V^2 = 1/2 * 25 * 10^2 = 1250 J
Check
M2 = 1/2 M1
V2 = V1 / 2
E2 = 1/2 * 1/4 E1 = E1 / 8 = 10000 / 8 = 1250 J
Answer:
B. 1,250 joules
Explanation:
Which equation is valid in the x axis for any projectile?
Answer:
Vx = u*cos θ
Explanation:
where ,
θ = angle of projection with X - axis(horizontal)
u = initial velocity of projectile
Vx = velocity of projectile with respect to x-axis
Is there mechanical work done if the direction of work and the displacement perpendicular to each other?
No that's not mechanical work done .
If displacement happens then whatever the direction be the work is done except nπ/2 values of theta
In that case the general formula W=Force×Distance can't be used
Then We have to include theta
W=FdcosØPut Ø=90
W=Fdcos90W=Fd0W=OJNo work done
How long would the measured lifetime be if the neutron were moving at 0. 936c?
The lifetime of the neutron will be t=40 minutes when the neutron is moving at a speed of 936 c.
What will be life of neutron?when neutrons are free and floating alone outside of an atom, they start to decay into protons and other particles.The formula for the life of the neutron will be given by:
[tex]t=\dfrac{\Delta t_o}{\sqrt{1-\dfrac{v^2}{c^2}}}[/tex]
Here
t= Lifetime
to=Average life
v= velocity
c=speed of light
Since the average life of the neutron is about 14 minutes or 840 seconds.
Velocity =0.936c
By putting the values in the question
[tex]t=\dfrac{840}{\sqrt{1-\dfrac{(0.936c)^2}{c^2}}}[/tex]
[tex]t=\dfrac{840}{\sqrt{0.123}}[/tex]
[tex]t=\dfrac{840}{0.35}=2400\ \ sec\\\\[/tex]
Hence the lifetime of the neutron will be t=40 minutes when the neutron is moving at a speed of 936 c.
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PLEASE HELP WILL GIVE BRAINLIEST
Which correctly compares the background extinction rate for mammals to the actual extinction rate over the past 400 years?
A. )45 times higher
B. )25 times higher
C,35 times lower
D. )15 times lower
Answer:
45 times higher
Explanation:
hope this helps
Answer:
The background extinction rate is the average rate at which species become extinct over geological time, usually estimated in millions of years. The actual extinction rate refers to the rate at which species are currently going extinct.
Based on scientific studies, the actual extinction rate over the past 400 years is significantly higher than the background extinction rate.
The correct answer is A. 45 times higher.
Explanation:
Mike understands the formula for temperature conversion, but is having difficulty imagining what various temperatures feel like. which of these would be a good example to tell mike what 37°c feels like? a. room temperature b. a hot pan c. body temperature d. a chilly autumn evening
A good example that will help to to tell mike what 37°c feels like is body temperature.
What is room temprrature?The average room temperature is typically around 20°C, or 68 degrees Fahrenheit.
What is body temperature?The average body temperature is 98.6 Fahrenheit or 37 degrees Celsius.
Thus, a good example that will help to to tell mike what 37°c feels like is body temperature.
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Explain why stars are unevenly distributed throughout the universe.
Describe how our knowledge of science changes over time
Answer:
Explanation:
Science has come a long way in the last 150 years. We now have more powerful data analysis techniques, more sophisticated equipment for making observations and running experiments, and a much greater breadth and depth of scientific knowledge.
Click on the ray diagram that shows the proper positioning of an image formed by a concave lens.
I don't think so
Answer:
h
Explanation:
beautiful answer
Type the correct answer in the box. Express your answer to three significant figures.
Calcium nitrate reacts with sodium phosphate to form sodium nitrate and calcium phosphate. Given 96.1 grams of calcium nitrate, what's the
theoretical yield of calcium phosphate? Use the periodic table and the polyatomic ion resource.
The mass of calcium phosphate the reaction can produce is
grams.
The mass of calcium phosphate the reaction can produce is 6.076 grams.
What is mass?Mass is a numerical measure of inertia, which is a basic feature of all matter. It is, in effect, a body of matter's resistance to a change in speed or position caused by the application of a force.
In the International System of Units (SI), the kilogram is the unit of mass.
Given;
Mass of calcium nitrate (Ca(NO₃)₂) = 96.1 g
Mass of calcium phosphate=?
The chemical equation is found as;
3Ca(NO₃)₂ + 2Na₃PO₄ → 6NaNO₃ + Ca₃(PO4)₂
3 moles of Ca(NO₃)₂ produces 1 mole of Ca₃(PO4)molar mass of calcium phosphate is 164 g/mol
Moles are found as the ratio of the mass of the compound and its molar mass. Moles of Ca(NO₃)₂ is n.
n = 96.1/164 = 0.5859 moles
Moles of Ca3(PO4)2 produced ;
N=0.0589 ×(1/3) = 0.0196 moles
The molar mass of calcium phosphate is 310 g/mol and the mass of calcium phosphate produced will be;
M=0.0196×310
M = 6.076 g
Hence,the mass of calcium phosphate the reaction can produce is 6.076 grams.
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Which legal measure allowed whites in southern states to keep blacks from voting after reconstruction ended?.
Jim Crow laws was the legal measure which allowed whites in southern states to keep blacks from voting after reconstruction ended.
What was JIm Crow law?These were the state and local laws which enforced racial segregation in the Southern part of the United States.
Due to this laws, whites in southern states kept blacks from voting after reconstruction ended.
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