Answer:
The potential energy stored in molecules can be converted to chemical energy, heat, and electromagnetic radiation, such as sunlight, all have kinetic energy.
The table provided shows data collected during an experiment .
Which of the following claims is supported by the data?
A. Gravitational force are proportional to the masses of the two objects.
B. Gravitational forces are strongest between objects with identical masses.
C. Gravitational forces are weakest when one object is more massive than the other.
Answer:
Explanation: the table shows during an experiment
Gravitational forces are strongest between objects with identical masses, claims are supported by the data. Option B is correct.
What is Newton's law of gravitation?Newton's law of gravity states that each particle having mass in the universe attracts each other particle with a force known as the gravitational force.
Gravitational force is proportional to the product of the masses of the two bodies and inversely proportional to the square of their distance.
When mass increases and distance reduces, gravity rises. Gravity also lowers when the distance between two points grows and the mass decreases.
From the table, it is observed that gravitational forces are strongest between objects with identical masses, claims are supported by the data.
Hence, option B is correct.
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10
Select the types of data that describe climate. (You may select more than one
correct answer)
one day's
Temperature
average ocean
depth
average
precipitation
annual wind
speed
Answer:
temperiture or annual wind speed.
Explanation:
HELPP ILL GUVE YOU LOTS OF POINTS EVERYTHING U WANT I REALLY NEED HELP
Answer:
ok so I'm going left to right
a) 3 2 1 4
b) i don't know
Use each of the following terms in a separate
sentence: insulation, heat engine, and thermal
pollution.
The old farm house had been wrapped in insulation and sided.
refrigerator may be considered to be a heat engine operated in reverse.
The warmed water may become a thermal pollution problem in terms of the receiving body of water.
There are 2 employees considered for a promotion. Candidate A went to a top university (say Harvard), and achieved a top GPA (grade point average) and is generally considered one of the most knowledgable employees in the company, but their colleagues often complain abut having to work with candidate A on projects. Candidate B's colleagues have lots of praise for how candidate B is able to work as a team at achieving common goals, but candidate B went to a local community college and didn't receive a very high GPA. Which candidate do you think will or should get the promotion?
Answer:
Canidate B
Explanation:
Becuase he/she is good to work with, and will most likely be more determined.
How is the Physics definition of momentum different from the ""colloquial"" use of momentum
Answer:
Explanation:
You know, I never really thought about this very much. I've always just thought of it as M * V. But when you look at a dictionary definition, it says it is the motion of a body.
That means that speed can be a momentum. Speed is independent of direction. So the colloquial definition does not take into account a change in direction as being very relevant.
The answer then is direction. When physics uses v, it is also counting direction.
True or false your vocal cords act like a guitar string when it comes to sound
Answer:
True
Explanation:
The table below shows some properties of germanium, discovered in 1886 by Clemens Winkler.
Germanium was Mendeleev's predicted eka-silicon. Why did its discovery support Mendeleev's ideas?
Help me
Answer:
i dont know but what i could say is you could go on and ask the question and it would help you
Explanation:
The hierarchy of traits is a structured progression of personality that begins with a few higher-order traits that result in
several lower-order traits, determining a person's response in a specific situation.
Please select the best answer from the choices provided
OT
OF
Answer:
true
Explanation:
hope u find this helpfull
1. How much kinetic energy does an apple with a mass of 0.25 kg have if it is falling at a speed of
10m/s
I hope this helps.......
is the us warmer than antarctica?
Answer:
Yes
Explanation:
Antarctica is usually always cold.
Why did Kenyatta want to distance himself from the Mau Mau? Check all that apply.
They had no desire for independence.
The British were determined to crush the rebellion.
They were criminals and made achieving independence more difficult.
They were led by his political rivals.
They were members of the Kikuyu.
Answer:
B and C!
Explanation:
I just did it on edge. I hope this helps!
A ball has 17 J of kinetic energy and its mechanical is 25 J
If the ball has a mass of 3.2 KG what is it’s height above ground?
Answer:
0.255m
Explanation:
The total mechanical energy of the ball is given 25 J. The potential energy of the ball is 8 J. Then, the height of the ball above the ground is 0.25 m.
What is kinetic energy ?Kinetic energy of an object is the energy generated by virtue of its motion whereas potential energy is generated by virtue of its position at a height from the ground.
The sum of kinetic and potential energy of the object is called its mechanical energy.
given Ke of the ball = 17 J
mechanical energy = 25 J
then potential energy = 25 J - 17 J = 8 J.
We have the relation between potential energy, mass and height h as :
p = mgh .
given the mass m = 3.2 kg
g = 9.8 m/s²
then, h = p / (mg)
h = 8 J / (3.2 kg× 9.8 m/s² )
= 0.25 m.
Therefore, the height of the ball above the ground is 0.25 m.
Find more on potential energy:
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If you have a mechanical advantage of 2 with a block and tackle system. How much force do you have to pull with?
Half
Twice
one quarter
Three times
Answer:
Half
Explanation:
You only have to exert a force equal to half the weight of the load to lift it.
Answer:
A: Half
Explanation:
The idea of not wanting or doing too much or too little is called (ex. eat
way too much or starve yourself)
Answer: below
Explanation:
binge eating then purging. Often known as bulimia. It's an eating disorder. If you starve yourself you have anorexia. If its an idea you are paranoid. Or you are very depressed and you want to get rid of your emotions. It could be called starving yourself too. But you may be looking for the word Orthorexia
what units is time measured in
Answer:
The base unit for time is the second (the other SI units are: metre for length, kilogram for mass, ampere for electric current, kelvin for temperature, candela for luminous intensity, and mole for the amount of substance). The second can be abbreviated as s or sec.
Explanation:
I need help!! Any feedback, please?
Answer:
A. Quarter or less of the entire moon
Explanation:
This is because as the Moon revolves around the Earth, the light of the sun that is falling on the moon gets blocked by the Earth when we see the crescent moon.
That's why we only see the quarter or less of the entire moon shining on crescent moon night.
the condition required to work to be done
Answer:
work=f(costheta)
Explanation:
work is done when a force acts on a body and displaces it on the direction of force
To save fuel some truck drivers try to maintain a constant speed when possible a truck traveling at 26 km/h approaches a car stopped at a red light in the truck is 149.1 m from the car the light turns green in the car immediately begins to accelerate a 2.3 m/s squared how close does a truck come to the car assuming the truck does not slow down
Answer:
Always do it on my own
So I gotta get through it
And the only thing I know
Is to love what I'm doing
Never give up, never slow
Till I finally prove it
Never listen to the no's
I just wanna keep moving
Keep my head up when I act
Head up, that's a fact
Never looking back
I'ma keep myself on track
A penny is made of the element zinc
plated with the element copper; a nickel
is made of a mixture of the elements
nickel and copper. Some isotopes of
various elements are listed below by
their atomic number and mass num-
ber. Use the periodic table on p. 131
to identify which atoms you would
expect to find in the penny, which you
would expect to find in the nickel,
which you would expect to find in
both, and which you would expect to
find in neither coin.
Answer:
Explanation: what is the question?
Question 29 (1 point)
Fluorescence is the production of light energy when an object is heated to a high temperature.
a) True
b) False
PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer this correctly!!!! (80pts)
Answer:
HOPEFULLY i am correct but i say its D. Hopefully I helped!✨
Answer: It can be A or B
Explanation: In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time.
In a chemical reaction,sodium sulphate and barium chloride are mixed to form barium sulphate(a precipitate)and sodium chloride. (i)What are the reactants in the above reaction? (ii)What are the products?
Answer:
i) The reactants are sodium sulphate and barium chloride
ii) The products are barium sulphate and sodium chloride.
Explanation:
In chemistry, a chemical reaction occurs when one or more chemical substances usually referred to as REACTANTS undergoes some processes and is converted to one or more different substances known as PRODUCTS.
From the question:
Na2SO4 + BaCl2 ⟶ 2NaCl + BaSO4
The above balanced equation represents the chemical reaction between sodium sulphate and barium chloride. Both are the reactants because they where the substances that passed through a process ( this involves the breaking of bond that held them together).
The PRODUCTS are barium sulphate and sodium chloride because they are the substances that presented at the end of the chemical reaction.
Which best represents the reaction of calcium and zinc carbonate (ZnCO3) to form calcium carbonate (CaCO3) and zinc? Ca → ZnCO3 + CaCO3 → Zn Ca + ZnCO3 → CaCO3 + Zn CaCO3 + Zn → Ca + ZnCO3 CaCO3 + Zn + Ca → ZnCO3
Answer:
Ca + ZnCO3 → CaCO3 + Zn
Explanation:
Ca + ZnCO₃ = CaCO₃ + Zn
Ca + ZnCO3 → CaCO3 + Zn is the answer.
Here Ca and ZnCO₃ are reactant and CaCO₃ and Zn are product . Reactants are written on the left side of equation and product are written on the right side.
Answer:
The correct option is, Ca + ZnCO3 —> CaCO3 +Zn
Explanation:I got it right.
You might have heard the phrase ‘hot air rises'. Name the process of transferring energy using moving gas or liquid.
Answer: Convection
Explantion: Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection
What is friction ridge skin?
Which of the following scenarios demonstrates a transfer
between kinetic energy and potential energy?
a using a playground slide.
b
going up and down stairs.
C bouncing on a trampoline.
d all of the above.
Check it
Answer:
c
Explanation:
bouncing on a trampoline
Answer:
D: All of the Above
Explanation:
I checked C and was wrong so trust me it is D
An 8 kg toddler is running at a speed of 10 m/s.
how much energy does he have?
Why do eclipses not happen every lunar cycle? (If someone could explain this in a paragraph? it doesn’t have to be very descriptive or detailed)
Answer:
Exploratorium Senior Scientist Paul Doherty explains why not—the orbit of the moon is tilted relative to the orbit of the Earth around the sun, so the moon often passes below or above Earth. At those times, it does not cross the line between the sun and the Earth, and therefore does not create a solar eclipse.
Explanation:
Hope it helps
Answer:
It's true that the moon goes around Earth every month, but it doesn't always get in Earth's shadow. The moon's path around Earth is tilted compared to Earth's orbit around the sun. The moon can be behind Earth but still get hit by light from the sun. ... This is why we don't get a lunar eclipse every month.
The attractive force between two objects that depends on their masses and the distance between them is _______?
Answer:
gravitational force
Explanation:
an object with mass attractive another object with mass
ANSWER:
GRAVITATIONAL FORCE
EXPLANATION :
Gravitational force -an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between the two objects.