Answer:
Gravitational Energy
1 pts
How can two different nonmetals form a compound?
Explanation:
Covalent or molecular compounds form when elements share electrons in a covalent bond to form molecules. Molecular compounds are electrically neutral. Ionic compounds are (usually) formed when a metal reacts with a nonmetal (or a polyatomic ion). Covalent compounds are formed when two nonmetals react with each other.
Nonmetals can form compounds through a process called covalent bonding.
Covalent bonding occurs when two nonmetal atoms share electrons to achieve a stable electron configuration. This sharing of electrons allows both atoms to fill their outermost energy levels or achieve a noble gas electron configuration.
When two nonmetal atoms come together to form a compound, their electronegativities play a crucial role. Electronegativity is the ability of an atom to attract electrons toward itself in a chemical bond. If the electronegativities of the two nonmetals are similar, they will have a similar tendency to attract electrons, resulting in a more equal sharing of electrons.
So, nonmetals can form compounds through covalent bonding by sharing electrons. The extent of electron sharing depends on the electronegativity difference between the nonmetals involved, leading to either polar covalent or ionic bonding.
Therefore, nonmetals can form compounds through a process called covalent bonding.
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A student stands on a spring scale. The scale reads that her weight is 600
Newtons. What is the student's approximate mass?
Answer:
61.2
Explanation:
F=g.m
<=> 600 = 9.8m
<=> m = 61.224489...
The two factors that determine velocity are....
A: speed and direction
B: direction and distance
C: position and rate
D: distance and mass
please help which one are these . for science class
Answer:
Explanation:
D Distance and Mass
THIS ONE IS URGENT!!!
Examine the drawing of a molecule. Each ring represents an atom of nitrogen (N). What's the chemical formula of this
substance?
Answer:
The chemical formula for nitrogen gas is N2.
Explanation:
I just did this question and this was the correct answer!
what does the slope of the line represent on a velocity vs time graph
Answer:
The principle is that the slope of the line on a velocity-time graph reveals useful information about the acceleration of the object. If the acceleration is zero, then the slope is zero. If the acceleration is positive, then the slope is positive
Explanation:
Which of the following might be the material list for an experiment?
A data tables and graphs
B.meters, liters, and kilograms
C plastic containers, soil, water, thermometers, and plants
D temperature, light, and time
Answer:
C
Explanation:
What is the mass of 23 mL of a liquid that has a density of 1.5 g/mL?
Answer:
The answer is 34.5 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volumeFrom the question
volume = 23 mL
density = 1.5 g/mL
We have
mass = 23 × 1.5
We have the final answer as
34.5 gHope this helps you
Help, please
and explain
A ball is thrown up in the air for 1 second and has a displacement of 5 m.
Assume the ball is under the influence of gravity. a = -10 m/s. Determine the
initial velocity of the ball.
d=yt+at
When a ball is sitting still on top of a table, are the forces acting upon it balanced or unbalanced?
Answer:
Balanced
Explanation:
If a stationary object is staying still (in this case it's the ball) all of the forces acting upon it are balanced. If an object moving has balanced forces, it would move in the same direction at the same speed until a different outside force interrupts the equilibrium.
Hope this helps :)
This question involves the concepts of Newton's Second Law and Balanced Force.
The forces acting upon the ball are "Balanced".
Newton's Second LawAccording to Newton's Second Law whenever an unbalanced force is applied on an object, it produces an acceleration in the object in the direction of the force itself. This acceleration is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.
Since, the ball is at rest and not moving. Hence, it has no acceleration and no unbalanced force is applied on it. The weight of the ball is balanced by the normal reaction provided by the table. Therefore, the forces acting on the ball are Balanced Forces.
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How long will it take a person walking at 2.1 m/s to travel 13 m?
Answer:
I gonna give you the number so but you need to round 6.19047619048
Explanation:
This is a speed formula so you would use the formula speed=distance/timeYou need to rearrange it to time=distance/speedSo you need to divide 13m by 2.1 m/sif an object measures to be 80 centimeters in length, then it is equivalent to ____
Answer:
31.496 inches
Explanation:
Pete is driving down 7th street. He drives 550 meters in 8 seconds. Assuming he does not
speed up or slow down, what is his speed in meters per second
Answer:
Speed = 68.75m/s
Explanation:
Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.
Mathematically, speed is given by the equation;
[tex]Speed = \frac{distance}{time}[/tex]
[tex]S = \frac{d}{t}[/tex]
Given the following data;
Distance = 550m
Time = 8secs
Substituting into the above equation;
[tex]S = \frac{550}{8}[/tex]
Speed, S = 68.75m/s
Ancient gold coins have been found in Greece and Italy. What property allows for gold to be stamped into coins?
Answer: malleability
Explanation:
Elements in the same______
are more chemically similar.
THIS IS URGENT!!!!
Answer:
group
Explanation:
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Rock X is released from rest at the top of a cliff is on earth. A short time later, Rock y is released from rest from the same point as rock X. Both rocks fall for several seconds before landing on the ground directly below the cliff. Frictional forces are considered to be negligible. Which of the following graph correctly shows the vertical velocity of rock X as a function of time? Take the positive direction to the upward.
Answer:
The graph that correctly shows the vertical velocity is B. since the velocity is negative and increases linearly over time
Explanation:
When an object is dropped from rest its movement is ruled only by the effect of gravity.
The acceleration of gravity [tex]g=9.8\ m/s^2[/tex] makes the object gain speed with a linear relation as shown:
vf = g.t
If we take the positive direction to be upward, then the speed will always be negative since the object will go against the positive direction.
Thus, the graph that correctly shows the vertical velocity is B. since the velocity is negative and increases linearly over time
From the given graphs, only the second graph (option B) started from rest (0) and later increased with time.
The given parameters;
Rock XRock yinitial velocity of Rock X = 0The final vertical velocity of the rock X after a short time "t" is calculated as follows;
[tex]v_y_f = v_y_i + gt\\\\v_y_f = 0 + 9.8t[/tex]
The vertical velocity of the rock x will increase with time as it moves downwards.
Therefore, we can conclude that, from the given graphs, only the second graph (option B) started from rest (0) and later increased with time.
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From the frame of reference of car 2, what is the velocity of car
Light and sound waves both share what characteristic?
A: they both exhibit the doppler effect
B: light and sound are both transverse waves
C: they both move fastest in water
D: light and sound both require medium in which to travel
Answer i know they both exhibit the doppler effect, so i believe it is this one.
Explanation:
We act out our forbidden fantasies in our dreams.
a. True
b. False
A volleyball dug out by the opponent popped straight up into the air. It takes 2.05 seconds for the ball to reach its peak. Determine the height to which the ball flies. So far, I got the givens of t=2.05 seconds x=? a=9.8 meter per seconds squared final velocity=0 m/s they might be wrong though so help please!!!!
Answer:
The height to which the ball flies is 86.6 m.
Explanation:
Given that,
Time = 2.05 sec
Acceleration = 9.8 m/s²
We need to calculate the initial velocity of volleyball
Using equation of motion
[tex]v=u-at[/tex]
Where, u = initial velocity
a = acceleration
t = time
Put the value into the formula
[tex]0=u-9.8\times(2.05)^2[/tex]
[tex]u=41.2\ m/s[/tex]
We need to calculate the height of the the ball
Using equation of motion
[tex]v^2=u^2-2ah[/tex]
Put the value into the formula
[tex]0=(41.2)^2-2\times9.8\times h[/tex]
[tex]h=\dfrac{(41.2)^2}{2\times9.8}[/tex]
[tex]h=86.6\ m[/tex]
Hence, The height to which the ball flies is 86.6 m.
what is v^2=0.05-4.9 please i need this asap
Answer:
v =2.02
Explanation:
v^2=0.05-4.9
v^2=-4.85
square root both side
v=2.02
^^^^this is a not a perfect square
What is the mass of a 7 kg bowling ball on the moon?
Answer:
7 kg
Explanation:
Mass remains the same, regardless of gravity. If the mass of the bowling ball is 7kg on Earth, the mass on the moon will be 7kg as well.
Which statements describe vectors? Check all that apply.
Vectors have magnitude only.
Vectors have direction only.
Vectors have both magnitude and direction.
Vectors are drawn using a curved line.
Vectors are drawn using an arrow.
Answer: #3 and #5
Explanation:
Igneous rock can be changed into which type of rock through the application of heat and pressure?
metamorphic rock
clastic sedimentary rock
non-foliated igneous rock
foliated igneous rock
Answer:
metamorphic rock
Explanation:
Igneous rocks can be changed into metamorphic rocks when heat and pressure are applied to the rock.
Pressure and heat in the presence of a fluid phase cause metamorphic transformation of a prolith.
At the right temperature and pressure, an igneous rock will not form magma but will undergo mineralogical changes to form metamorphic rocks. These changed rocks have different mineral facies that are different from those of the prolith.Through heat and pressure, igneous rocks can be transformed into metamorphic rocks.
Answer:
classic sedimentary rock
Explanation:
How is spring force different in a compressed spring versus a stretched spring?
Answer:
if you pull on a spring and stretch it, then you do work. that's bc you're applying a force over a displacement. your pull is the force and the amount that you stretch the spring is the displacement. a spring can be stretched or compressed.
PLEASE HELP!
Which action is an example of a service provided by an organization that receives charitable donations?
A. researching vaccinations
B. advertising new medications
C. contracting to install waiting area carpeting
D. selling hospital supplies for a privately owned company
Answer:
A
Explanation:
Source: Trust me bro
Giving is a kind deed. Giving back to people in need allows you to grow personally and gives you a higher sense of fulfilment. It also makes you feel good to serve others. Thus, option A is correct.
What charitable donations in researching vaccinations?Donations to non-profit organizations are considered charitable contributions. Donations may take the form of cash, non-monetary goods, in-kind services, or volunteer time. According to IRS rules, the donation may be tax-deductible.
If you itemize your deductions, you may deduct gifts of money or other property provided to qualifying organizations for charitable purposes. In general, you can deduct up to 50% of your adjusted gross income, but in some circumstances, there are 20% and 30% limitations.
Therefore, A contribution is a gift given to a cause, humanitarian organization, or charity. A donation can come in many ways, such as cash, alms, services, or tangible objects like furniture, toys, food, or automobiles. A donation could meet a demand for transplantable organs or blood.
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The magnitude of vector A is 10. Which of the following could be the components of A?
a) Ax= 5 , Ay= 5
b) Ax= 6 , Ay= 8
c) Ax= 7 , Ay= 9
d) Ax= 10 , Ay= 10
Answer: B. Ax = 6, Ay=8
Explanation:
Where does the focal point of a convex mirror fall?
a. In front of the mirror.
b. Behind the curvature of the mirror.
C. At the vertex.
d. None of the above.
Question 3 (0.4 points)
What happens to the motion and the distance between atoms in a gas such as air
when it is heated to a higher temperature?
The higher the temperature, the less the particles move, so they move slower
and spread apart.
O Motion and distance of atoms in gas are not related to temperature.
The higher the temperature, the more the particles move, so they move faster
and farther apart.
Please help quickly!
Answer:
As the temperature increases, the molecules and atoms move faster
Explanation:
x = yz
How do you solve for z?