Answer:
620 grams Mercury (1 mole Hg/200.6 grams) = 3.09 moles Hg
Explanation:
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What is the magnitude of the force that is exerted on a 15 kg mass to give it an acceleration of 5.0 m/s/s?
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R
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3
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R
2
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Answer:
A
Explanation:
the amount of energy available to do work is called:
Answer:
Gibbs, free energy
Explanation:
3. Explain what forces the Egyptians had to overcome when building the pyramids
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
But how did the Egyptians overcome the extreme friction of dragging such massive things through the sandy desert, some of which weighed more than 9,000 pounds? Researchers at the University of Amsterdam have come up with a very simple solution to the friction problem: they utilised water.
The pyramids were not built by slaves, contrary to common perception. Archaeologists discovered the ruins of a purpose-built town for the hundreds of labourers who constructed the renowned Giza pyramids about 4,500 years ago.
The Egyptians had to overcome the force of friction while dragging the big blocks of stone and the force of gravity while uplifting the large stone structure to a greater height when building the pyramids.
What is friction?Friction is a type of force that resists or prevents the relative motion of two physical objects when their surfaces come in contact.
The friction force prevents any two surfaces of objects from easily sliding over each other or slipping across one another. It depends upon the force applied to the object.
Thus, while constructing the pyramids, the Egyptians had to fight against the forces of gravity and friction as they lifted the massive stone edifice to a greater height.
Learn more about friction from here, link is given below,
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Can somebody help meeeee...?
Answer:
[tex]{ \boxed{ \rm{pressure = \frac{weight}{area} }}} \\ \\ { \rm{pressure = \frac{200}{2} }} \\ \\ { \underline{ \underline{ \rm{ \: \: pressure = 100 \: pascals \: \: }}}}[/tex]
what is gravitional force?
Answer: Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.
Explanation:
Answer:
the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface is called as gravitation or gravitational force.
Explanation:
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If a FRAMESHIFT mutation causes a stop codon to be inserted into the DNA sequence
Answer:
The frameshift mutation will also alter the first stop codon ("UAA", "UGA" or "UAG") encountered in the sequence. The polypeptide being created could be abnormally short or abnormally long, and will most likely not be functional.
Explanation:
Hope it helps
6tyhfdytythftyhyhfytfyht
Answer:
Six is the only number that is both the sum and the product of three consecutive positive numbers.
Explanation:
an object at rest has no ________ energy, but it may have ________ energy resulting from its location or structure.
Answer: first blank: kinetic
Second blank: potential
Explanation:
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an engineer is developing a conveyor belt to help move heavy boxes in factories. The device should be able to move boxes from the first floor to the second floor of a factory. The engineer is building a full- sized model to test her design.
Answer:
This conveyor belt should be connected to fixed pulleys in case their total effort is less than the load. But if it's not that, the belt should be connected to movable pulleys.
Explanation:
[tex].[/tex]
Answer:
this conveyer belt should be connected to fixed pulleys in case their total effort is less than the load . but if it's not that the belt should be connected to movable pulleys
A object was fired at 17ms at 40 degree angle horizontal , if object traveled 29meters how long was it in the air
10. Analyze What is the wavelength of these waves?
Answer:
Wavelength is the distance between the two closest points that are in phase with each other along a wave.
Explanation:
Can someone please give me the answers to this? ... please ...
Answer:
See below:
Explanation:
What you have done seems to be correct, what we can do is just add a box into the center. For the 3rd question, we can just draw a box as nothing is happening. That is all!
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Answer:
Explanation:
good luck
i think
Write down what unit of time, you need to use for measuring
Challenging Questions
a. The beat of your heart.
b. The duration of one period of your class.
c. The time you take to travel from home to school.
Friction force affects the work done by the applied force.
T OR F
Answer:
TRUE.
Explanation:
YES IT EFFECTS.
IT MAY HELP YOU.
Answer:
True
Explanation:
true because if you where to push a ball on a beach the friction with the sand would make it harder to push then being on concrete.
a.
In what ways do human beings contribute to the greenhouse effect? Select all that apply.
by using renewable energy
b. by driving gas -powered cars
by studying extreme weather events
d. by making things out of plastic
C.
the circular disk rotates about its center. for the instant represented, the magnitude of velocity of a is 8 ft/s and the magnitude of tangential acceleration of b is 9 ft/s2. what is the magnitude of the acceleration of point a?
Answer:ddddddddddddddd
Explanation:
Why can we predict the phases of the moon?
please dont search it up
Answer:
Every year, the moon moves about an inch away
por favor ayuda que ejercicio debo hacer para enflacar en una semana xd
Answer:
Un excelente ejercicio para perder barriga rápidamente es correr, ya que el cuerpo gasta una mayor cantidad de calorías en un corto período de tiempo, en tan sólo 30 minutos corriendo se queman unas 300 calorías.
...
Qué ejercicios realizar
Correr. ...
Clase aeróbica. ...
Saltar cuerda. ...
Bicicleta. ...
Caminar rápido. ...
Natación.
Explanation:
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una fila di ballerini lunga complessivamente 2,3 m sta avvicinandosi perpendicolarmente a uno specchio. Se il primo ballerino, essendo miope, percepisce i contorni in modo nitido degli oggetti lontani al massimo 6 m, a quale distanza dallo specchio comincerà a vedere chiaramente l'ultimo ballerino della fila?
Answer:
A Benjamin Franklin
B George Washington
C Abraham Lincoln
D John Adams
Describe how a roller coaster works in terms of using potential energy and kinetic energy:
Answer:
Traditionally, the coaster cars are pulled up the first hill by a chain; as the cars climb, they gain potential energy. Then, when the cars descend this hill, potential energy is again changed to kinetic energy. This conversion between potential and kinetic energy continues throughout the ride.
Explanation: hi how ya doing
the secondary atmosphere of the earth was composed mainly of
online masses every 8 a.m. and 2:00 p.m. will continue
online is hard toooooooooo
A ball is thrown upward with an initial velocity of 22.0 m/s. If
the gravitational acceleration is –9.81 meters per second
squared, what is the maximum height the ball will reach?
Select one:
2.24 m.
24.7 m.
4.48 m.
49.4 m.
The maximum height reached by the ball during the upward motion is 24.7 m.
The given parameters;
initial velocity of the ball, u = 22 m/sThe maximum height reached by the ball is determined using the third kinematic equation as shown below;
v² = u² - 2gh
where;
v is the final velocity of the ball at the maximum height = 0h is the maximum height attained by the ball0 = u² - 2gh
2gh = u²
[tex]h = \frac{u^2}{2g} \\\\h = \frac{22^2}{2(9.8)} \\\\h = 24.7 \ m[/tex]
Thus, the maximum height reached by the ball during the upward motion is 24.7 m.
Learn more here:https://brainly.com/question/24666225
Which statement is true about vectors?
Answer:
Vectors are defined as quantities which are fully described by both their magnitude and direction. By definition, a vector has a direction associated with it.
Explanation:
is this what you want?
What is the displacement of the object from 2 seconds to 6 seconds
•4m
•8m
•16m
•24m
Answer:
,24m bolşi
Explanation:
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Answer:
the answer is 16 m
hope this is helpful
sam can study for hours even though it is very loud and there are many possible distractions in the common room. this is an example of what?
Sam can study for hours even though it is very loud and there are many possible distractions in the common room, this is an example of a Focus system.
The focus system is a psychological intervention that is purposely designed for use at home or in lecture halls for cognitive or mental assimilation.
When the focus system takes place, an individual is able to further activate the brain networks to engage in more challenging cognitive activities despite the music, distractions, or noise from the background.
From the information given, the ability for Sam to study for hours even though it is very loud was his ability to activate his Focus System.
Learn more about Cognitive ability here:
https://brainly.com/question/18994513?referrer=searchResults
which of the following is an example of the law of multiple proportions?
The answer option which is an example of the law of multiple proportions is: B) Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O: 1 g C and 2.66 g O: 1 g C.
The Law of Multiple Proportions is also referred to as Dalton's Law and it states that when two chemical elements combine to form more than one chemical compound, the masses (weights) of one chemical element that combine with a fixed mass (weight) of the other chemical element will always be in a ratio of small whole numbers.
According to the Law of Multiple Proportions, when two chemical elements combine to form two different chemical compound, the masses (weights) of one chemical element that combine with 1 gram of the other chemical element can be expressed as a ratio of small whole numbers.
For example, carbon and oxygen react to form either carbon monoxide and carbon dioxide.
Carbon monoxide (CO):
12 grams of C = 16 grams of O.
1 gram of C = 1.33 gram of O.
Carbon dioxide ([tex]CO_2[/tex]):
12 gram of C = 32 grams of O.
1 gram of C = 2.66 gram of O.
Ratio of oxygen (O) = 16:32 = 1:2 (Law of Multiple Proportions).
Read more: https://brainly.com/question/21280037
Your question is lacking the necessary answer options, so I will be adding them here:
A. A sample of chlorine is found to contain three times as much Cl-35 as Cl-37.
B. Two different compounds formed from carbon and oxygen have the following mass ratios: 1.33 g O: 1 g C and 2.66 g O: 1 g C.
C. Two different samples of table salt are found to have the same ratio of sodium to chlorine.
D. The atomic mass of bromine is found to be 79.90 amu.
E. Nitrogen dioxide always has a mass ratio of 2.28 g O: 1 g N.
light travels 3,00,000 km/s. Is it velocity or speed?
Hello there I hope you are having a great day :)
Your Question, light travels 3,00,000 km/s. Is it velocity or speed?
The answer would be speed,
Hopefully that helps you :)
How does the spring constant influence the displacement? Do they increase or decrease together?
Trial No. Applied Force (N) Displacement is attached (m)
1. 50 N 0.500m
2. 50 N 0.167m
3. 50 N 0.100m
4. 50 N 0.071m
Explanation:
I have asked question in my profile please tell me the answer