Answer:
The correct coefficients if the law of conservation of mass is applied to the decomposition of solid ammonium nitrite to nitrogen gas and liquid water would be 1 mol of solid ammonium nitrite decomposed to 1 mol of nitrogen gas and 1 mol of liquid water.
The law of conservation of mass states that matter cannot be created or destroyed, so the total mass of the reactants and products in a chemical reaction must remain constant. In the case of the decomposition of solid ammonium nitrite, the balanced chemical equation is:
NH4NO2(s) → N2(g) + H2O(l)
In this equation, the coefficients represent the ratio of moles of each reactant and product. The coefficients 1, 1, and 1 indicate that for every 1 mol of solid ammonium nitrite that is decomposed, 1 mol of nitrogen gas and 1 mol of liquid water are produced. This means that the total mass of the reactants and products remains constant, as required by the law of conservation of mass.
QUESTION 6 Draw the shear force and bending moment diagrams for the simply supported beam loaded in Fig Q6
To draw the shear force and bending moment diagrams for the simply supported beam loaded in Figure Q6, we'll follow these steps:
Step 1: Determine the reactions at the supports.
Step 2: Calculate the shear forces at various points along the beam.
Step 3: Calculate the bending moments at various points along the beam.
Step 4: Plot the shear force diagram (SFD) and the bending moment diagram (BMD).
Step 1: Determine the reactions at the supports:
The beam is simply supported, so the reaction forces at the supports will be vertical. Let's assume the left support reaction as R1 and the right support reaction as R2. Since the beam is in equilibrium, the sum of the vertical forces must be zero:
R1 + R2 = 20 kN (upward forces are positive)
Step 2: Calculate the shear forces at various points along the beam:
We'll consider three sections along the beam: left of the 10 kN point (A), between the 10 kN point and the 20 kN point (B), and right of the 20 kN point (C).
Section A (left of the 10 kN point):
The shear force at point A will be equal to the reaction R1.
V_A = R1
Section B (between the 10 kN point and the 20 kN point):
The shear force at point B will be equal to the reaction R1 minus the 10 kN load.
V_B = R1 - 10 kN
Section C (right of the 20 kN point):
The shear force at point C will be equal to the reaction R1 minus the 10 kN load and the 20 kN load.
V_C = R1 - 10 kN - 20 kN
Step 3: Calculate the bending moments at various points along the beam:
We'll still consider the same three sections: A, B, and C.
Section A (left of the 10 kN point):
The bending moment at point A will be zero, as there are no external loads or reactions to create a moment.
Section B (between the 10 kN point and the 20 kN point):
The bending moment at point B will be equal to the integral of the shear force from the left support (A) to point B.
M_B = ∫(R1 - 10 kN)dx, integration limits: 0 to x
Section C (right of the 20 kN point):
The bending moment at point C will be equal to the integral of the shear force from the left support (A) to point C.
M_C = ∫(R1 - 10 kN - 20 kN)dx, integration limits: 0 to x
Step 4: Plot the shear force diagram (SFD) and the bending moment diagram (BMD):
Using the calculated values of the shear forces and bending moments at various points, we can plot the diagrams.
Shear Force Diagram:
- The SFD will be a horizontal line at the value of R1 until the 10 kN load.
- At the 10 kN load, there will be a downward step change of 10 kN.
- At the 20 kN load, there will be another downward step change of 20 kN.
- The SFD will continue as a horizontal line after the 20 kN load.
Bending Moment Diagram:
- The BMD will be a straight line with zero bending moment from the left support (A) until the 10 kN load (
B).
- At the 10 kN load, there will be a positive bending moment.
- At the 20 kN load, the bending moment will increase further.
- The BMD will continue as a straight line with a decreasing positive slope after the 20 kN load.
Please note that without specific values for R1 and the dimensions of the beam, it's not possible to provide exact numerical values for the shear forces and bending moments or to accurately plot the diagrams. However, the general shape and characteristics of the diagrams can be described based on the given information.
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how old is donald trumpp------ i NEED answer .
Magnesium Magnesium has three stable isotopes, 24 Mg (23.985042 amu), 25 Mg (24.985837 amu), and 26Mg (25.982593 amu). The relative abundance of 24 Mg is 79%. What is the percent relative abundance of 25 Mg? Leave off the percent sign in your answer
The relative abundance of 25Mg can be calculated using the total percent relative abundance of all three isotopes and the known relative abundance of 24Mg.
define relative abundance ?
Relative abundance refers to the proportion or fraction of a particular isotope present in a sample of a naturally occurring element. It is usually expressed as a percentage of the total isotopes present in the sample. The relative abundance of an isotope is determined by counting the number of atoms of the isotope in a sample and comparing it to the total number of atoms of all isotopes present in the sample. The relative abundance of an isotope can provide information about the origin and evolution of the material and can be used in various fields, such as geology, biology, and medicine.
Let X be the percent relative abundance of 25Mg, then:
X + 79 + (100 - X - 79) = 100
Combining like terms:
2X = 100 - 79 = 21
Dividing both sides by 2:
X = 21 / 2 = 10.5
So, the percent relative abundance of 25Mg is 10.5%.
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Find the acceleration a body whose velocity increases from 11m/s to 33m/s in 10 seconds
Answer:
I am not sure if this is the answer
acceleration: 2.2m/s
Explanation:
here
initial velocity(u): 11m/s
Final velocity(v): 33m/s
time taken(t): 10 s
now
a:v-u/t
or
acceleration:final velocity-initial velocity/time taken
or
a: 33-11/10
or
a:22/10, divide it
: a=2.2m/s#
The distance covered by a car moving with a speed of 36 km/h in 20 minutes is
Answer:
D=12000m
Explanation:
Distance
Speed=distance/time
Where, speed is given in m/s
Time is given in s
Distance is given in m
Data
S=36km/h
T=20minutes
D=?
D=S*T
D=(36*1000m)/3600s*(20*60s)
D=36000m/3600s*1200s
D=10m/s*1200s
D=12000m
A progressive wave equation is represented by y=Asin2π(0. 15t-0. 1x). Find the
period,
amplitude,
frequency,
wavelength,
velocity
Given that the progressive wave equation is represented by y=Asin2π(0.15t-0.1x). Let's find the period, amplitude, frequency, wavelength, and velocity.
The wave equation is represented by y=Asin2π(0.15t-0.1x). The standard wave equation can be written asy = Asin(kx-ωt + Φ)Where,k = wave numberω = angular frequencyΦ = phase angle for the given equation, k = 0.1 and ω = 0.15.Amplitude:
Amplitude = A = maximum displacement from the mean position.A = 1Frequency: Frequency is the number of complete oscillations made by a point on the wave in one second. It is denoted by f.f = ω/2πFrequency, f = 0.15/2π = 0.0238 HzPeriod: Period is the time taken by one complete oscillation.
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Describe the motion of water waves.
Answer:
Water waves are an example of waves that involve a combination of both longitudinal and transverse motions. As a wave travels through the waver, the particles travel in clockwise circles. The radius of the circles decreases as the depth into the water increases.
what is the wavelength λλ of the light when it is traveling in air?
The wavelength λ of light when it is traveling in air depends on the color or frequency of the light meaning they have the same amplitude and direction of oscillation.
Light is an electromagnetic wave that travels through space at a constant speed of approximately 299,792,458 meters per second. The wavelength of light is the distance between two consecutive points on the wave that are in phase, meaning they have the same amplitude and direction of oscillation.
The wavelength of light can be calculated using the formula: λ = c / f. Where λ is the wavelength, c is the speed of light in air (approximately 3 x 10^8 m/s), and f is the frequency of the light. To find the wavelength of light when it is traveling in air, you need to have information about its frequency. Once you have the frequency, you can use the above formula to calculate the wavelength.
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Conduction In Everyday Life Examples
at least 5 plz help
1. Heat transfer from a hot burner on the stove into a pot or pan
2. A metal spoon that gets hot from the boiling water
3. Chocolate candy in your hand that melts because of the heat
4. The wires in your house that conduct electricity
5. Roasting marshmallows, the heat will soften the marshmallow
Answer:
the engine heat from a car you just turned on.
a heater
a pad warmer
a hot pot
using a campfire to roast hot dogs
In the English system of units, power is expressed as horsepower (hp) instead of watts, where 1 hp = 746 W. What would be the power rating of a 100 W light bulb in horsepower?
Answer
as it is given that 1hp=746W
100W=?hp
746hp=100W (to find the value of hp we divide 100 on both sides)
746/100=hp
hp=7.46
3. Jeremy has a solution with a mass of 228 g. He knows that the mass of the solvent was 224 g. How much is the mass of the solute in the solution?
Jocelyn is running for the U.S Senate. What is one of the qualifications for office she must meet?
have resided in the United States for at least 10 years
have served as Governor of the state she will represent.
reside in the state she will represent
have been a member of the U.S. House of Representatives
Answer:
b
Explanation:
Answer:
Reside in the state she represents.
Explanation:
Every position in government needs at least one qualification. she needs to reside in the state she represents because U.S Senators represent their state witht he views and stuff.
Hope this helps :)
HELP PLEASE!
A 700 kg race car makes one lap around a track. It has a velocity of 20 m/s with a centripetal force of 5,600 N. What is the radius of the track?
A speed skater goes around a turn with a 25 m radius. The skater has a velocity of 15 m/s and experiences a centripetal force of 720 N. What is the mass of the skater?
A 900-kg car moving at 5 m/s takes a turn around a circle with a radius of 30 m. Determine the net force acting upon the car.
An 800 kg race car makes one lap around a track. It has a velocity of 40 m/s with a centripetal force of 16,000 N. What is the radius of the track?
PLEASE EXPLAIN AND SHOW WORK!
The centripetal force is the force that keeps a body moving in a circular path.
The centripetal force is given by; F = mv^2/r
1) We have;
F = 5,600 N
v = 20 m/s
r =?
m = 700 kg
Making r the subject of the formula;
r =mv^2/F
r = 700 × (20)^2/5,600
r = 50 m
2) F = mv^2/r
F = 900 × (5)^2/30
F = 750 N
3) Making r the subject of the formula;
r =mv^2/F
r = 800 × (40)^2/ 16,000
r = 80 m
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c. If the box experiences a force of 15 N to the left, along with the 20 N force acting to the right, what is the net force on the box?
According to the data given in the question the net force on the box is of 5 N.
What does net force mean?All of the forces that are applied to an object are added up to form the net force. As a consequence of the fact that it (force) is a vector and therefore that two forces with identical magnitudes and opposing directions cancel each other out, the resultant force is the total of the forces, or put another way, the net force is just the total of all the forces.
Given data :
Force on box to the left side (F1) = 15 N
Force on box to the right side (F2) = 20 N
Because both forces are in opposite direction
Hence,
Net force = F2 - F1
Net force = 20 - 15
Net force = 5 N.
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The electric potential in a region of space is V=( 200 x2− 220 y2)V, where x and y are in meters.What is the strength of the electric field at (x,y)=(2.0m,3.0m) ?What is the direction of the electric field at (x,y)=(2.0m,3.0m) ? Give the direction as an angle (in degrees) counterclockwise from the positive x-axis.
The strength of the electric field at (2.0m, 3.0m) is 880 V/m and the direction of the electric field is 116.6 degrees counterclockwise from the positive x-axis.
To find the electric field strength and direction, we need to take the negative gradient of the electric potential. Therefore, we first need to find the partial derivatives of V with respect to x and y:
Vx = 400x V/m
Vy = -440y V/m
Next, we can calculate the electric field components:
Ex = -Vx = -400x V/m
Ey = -Vy = 440y V/m
At the point (2.0m, 3.0m), the electric field strength can be calculated as:
E = sqrt(Ex^2 + Ey^2) = sqrt((-400x)^2 + (440y)^2) = 880 V/m
The direction of the electric field can be determined as:
theta = arctan(Ey/Ex) = arctan(440y/(-400x)) = 116.6 degrees counterclockwise from the positive x-axis.
Therefore, the electric field strength at (2.0m, 3.0m) is 880 V/m and the direction of the electric field is 116.6 degrees counterclockwise from the positive x-axis.
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A mechanical wave is created when a source of energy causes _____.
a displacement that must be filled
a vibration to travel through a medium
the structure of a medium to be altered
A mechanical wave is created when a source of energy causes a vibration. Vibration causes disturbance in system.
What is mechanical wave?A mechanical wave is a wave that is caused by the oscillation of matter and so conveys energy through a medium.
When an energy source causes a vibration to propagate across a medium, it is called a mechanical wave.
A mechanical wave is a type of wave in which the medium's vibration is perpendicular to the wave's travel direction.
Hence, vibration is the correct answer.
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How bad would a person's injuries be if an elevator's cables snapped at the 100th floor so that the elevator fell to the bottom? Give a clear explanation of what would happen at every 10 floors.
BRAINLIEST FOR WHO GETS IT CORRECT!
Answer:
Elevator's cables almost never snap. And if a cable did snap, there are backup cables attached. Even if all the cables snapped, an elevator still would not fall to the bottom floor.
..
GOOD QUESTION THOUGH
Which best describes what happens if two waves meet and build on each other? constructive interference destructive interference reflection absorption
Answer:
Which best describes what happens if two waves meet and build on each other?
constructive interferencedestructive interference
reflection
absorption
Explanation:
When two waves meet in phase they will overlap together and form a constructive interference. The resultant amplitude of the waves will be greater than that of individual waves.
What is interference ?A wave of greater, lower, or the same amplitude is created when two waves merge through interference by combining their displacements at all points in space and time.
The interaction of waves that are coherent or correlated with one another, either because they originate from the same source or because their frequencies are similar or almost identical, leads to both constructive and destructive interference.
All sorts of waves, including light, radio, acoustic, surface water waves, gravity waves, and matter waves, can exhibit interference effects. In constructive interference, the waves are in single phase forms a resultant wave with higher amplitude.
When waves from out of phase meets, the resultant wave will have an amplitude less than the individual amplitudes. Here, the waves are meet in phase and build on each is constructive interference.
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23.
____is the amount of matter on an object, while___
b) acceleration/velocity
c) mass/weight
d) force/acceleration
a) Gravity/mass
Answer: C) Mass/Weight
Explanation: You shoulda finished typing your question, the second part didn't give me much.
But, Mass is the amount of matter on an object
Since Mass is the first answer C is your best choice
You push on a 30 kg box with a force of 120 N. What is the acceleration of the box2
Answer:
6
Explanation:
120/30=6
where did the spacecraft clementine get its name
The spacecraft Clementine was named after the classic folk song "Oh My Darling, Clementine."
More About Spacecraft ClementineIt was named after the folk song "Oh My Darling, Clementine." The song tells the story of a miner's daughter named Clementine who drowned in a river.
The spacecraft was named after the song because it was designed to study the Moon's surface, particularly its mineral content.
And the name "Clementine" was thought to be a fitting tribute to the miners who work to extract valuable minerals from the Earth.
The mission was a joint project between the Department of Defense and NASA and was launched on January 25, 1994.
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in which of the following is the molecules of water moving fatest A. stream. B. ice. C. ice water mixture. d. water.
Answer:
steam
Explanation:
particles move faster in a gas than in a liquid or solid
a waterwheel built in hamah
☁️ Answer ☁️
annyeonghaseyo!
Your answer is:
"A waterwheel built in Hamah, Syria, has a radius of 20.0 m. If the tangential velocity at the wheel’s edge is 7.85 m/s" -Ggle
Hope it helps.
Have a nice day noona/hyung!~  ̄▽ ̄❤️
a mom with blood type A and a dad with blood type B have a kid that is blood type AB. what kind of dominance is this?
The blood type inheritance pattern described, where a child has a blood type AB despite having parents with blood types A and B, is an example of co-dominance.
In co-dominance, both alleles (variants of a gene) are expressed equally and simultaneously in the phenotype of the individual. In the case of blood types, the A and B alleles are co-dominant.
This means that an individual who inherits the A allele from one parent and the B allele from the other parent will exhibit both A and B antigens on their red blood cells, resulting in blood type AB. It's important to note that the A and B alleles are dominant over the O allele, which is recessive. Therefore, if both parents had the A and B alleles but not the O allele, their child would still have blood type AB.
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Sarah is studying the various processes involved with mass wasting. One of her classmates
brought in this photo. He said the arrows indicate a mass wasting process taking place.
Sarah said he was incorrect. Who do you agree with? Explain.
Sarah's classmate is incorrect. The photo indicates a small hill.
O Sarah's classmate is correct. This is an model of a slide and the hillside is quickly sliding out over the sidewalk.
O Sarah's classmate is correct. This is creep and the photo shows a hillside that is slowly moving over the
sidewalk.
O Sarah's classmate is incorrect. The photo shows the slight effect of gravity on the hillside but it is not a process
associated with mass wasting.
Answer:
Sarah's classmate is incorrect. The photo shows the slight effect of gravity on the hillside but it is not a process
associated with mass wasting.
Explanation:
PLEASE MARK ME AS A BRINLIEST
a bicyclist traveled from 15.6 m/s to 21.1 m/s over a distance of 30 meters
a) what is the acceleration of the bicyclist?
b) How much time does it take the bicyclist to travel the 30 meters
The acceleration of the bicyclist is 3.35 m / s². It takes the bicyclist 1.64 s to travel the 30 meters
We know that,
a = ( v - u ) / t
s = ut + 1 / 2 at²
where,
a = Acceleration
v = Final velocity
u = Initial velocity
t = Time taken
s = Distance travelled
Given that,
u = 15.6 m / s
v = 21.1 m / s
s = 30 m
a = ( 21.1 - 15.6 ) / t = 5.5 / t
s = ut + 1 / 2 at²
30 = 15.6 t + 1 / 2 ( 5.5 t )
30 = 15.6 t + 2.75 t
t = 30 / 18.35
t = 1.64 s
a = 5.5 / t = 5.5 / 1.64
a = 3.35 m / s²
Equations of motion are used to describe the position of an object using the motion of the object with respect to time. It is done using speed, acceleration, distance and time.
Therefore,
a) The acceleration of the bicyclist is 3.35 m / s²
b) Time taken by the bicyclist =
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HELP ME PLEASEE!!!THIS IS SCIENCE
Answer:
B.
Explanation:
What allows negative feedback to control a system
Answer:
The system has parts that sense the amount of output, allows negative feedback to control a system
Explanation:
why is the chemical formula for styrene molecular rather than ionic
Explanation:
Styrene is a member of a group of chemical compounds broadly categorized as vinyls organic compounds whose molecules contain a double bond between two carbon atoms. Under the action of chemical catalysts or initiators, this double bond can be opened, and one of the two resultant single bonds is then able to link to a carbon atom of another styrene molecule; this link contributes to the formation of polystyrene, in which thousands of styrene units are linked along a carbon backbone, thus making the formula become a molecular component.
Since styrene is a molecular substance, it does not exhibit the properties of an ionic compound. Styrene's chemical formula, C8H8, specifies that it has eight carbon atoms and eight hydrogen atoms in each molecule. Covalent bonds, which are produced when atoms share electrons, hold each of these atoms together. Styrene thus has a molecular rather than an ionic chemical formula.
What is styrene and ionic ?Carbon and hydrogen atoms make up the hydrocarbon compound styrene. It is a nonpolar, tiny molecule with a low molecular weight. It is not easily converted to ions in solution because of its nonpolar character. Instead, covalent bonds are created when the atoms in the molecule share electrons.
Ions that are both positively and negatively charged are combined to form ionic compounds, which are kept together by powerful electrostatic forces. These substances are often soluble in water and have high melting and boiling points.
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A 2 kg block is pulled with 3.7 N of force to the right. The block experiences 1.7 N of friction. What is the acceleration of the block?
.
Answer:4.7
Explanation: