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Ray Of Light [21]
3 years ago
10

Which of the following best represents potential energy being converted to kinetic energy?

Chemistry
2 answers:
OverLord2011 [107]3 years ago
6 0

Answer:

The answer is the roller coaster (A)

Explanation:

Potential energy depends on the height Ep= m*g*h. The more height the system has, more potential energy it owns. Meanwhile it starts to move, the energy transforms from potential (it's going down) to kinetic (it's gaining speed)

Ek = 1/2 * m * v^2

When the roller coaster reaches the ground, all the potential energy has turned into kinetic energy. As it starts going up again, once more the kinetic energy starts to transform into potential energy, due to the system is stoping and gaining height again.

Rufina [12.5K]3 years ago
5 0
I believe the answer is A
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Pls, Help!!!!!!!
yKpoI14uk [10]

Answer:

Element A = Oxygen

Element H =

Element B = Aluminum

Element J = Magnesium

Element C = Selenium

Element L = Carbon

Element D = Sodium

Element Q = Francium

Element F = Antimony

Element R = Calcium

Element G = Chlorine

Element S = Tellurium

Explanation:

Element A  is Oxygen because: oxygen 6 valence electrons ; is a gas at room temperature ; and is transported in blood to cells.

Element H  is Neon because: Neon is a noble gas ;   qppears as red light when charged with  electricity (Neon light signs)  and it has the second highest Ionization energy of the elements

Element B  is Aluminum because: Aluminum is a metal and its ion has charge of +3. It is also located on the borders of the Metalloid staircase .

Element J  is Magnesium because its ion has charge of 2+ and is  isoelectronic with Neon  because it loses two electrons to now have 10 electrons.

Element C  is Selenium because its ion that has a charge of -2  is formed by gaining two electrons in order to have 36 electrons which is isoelectronic with Kr ypton

Element L  is Carbon because carbon has the smallest atomic radius of any member in the Carbon family  because it is the first member of the family and atomic radius increases on going down the group.

Element D  is Sodium because its ion has charge of +1  and it has 2 inner core levels , the 1 and 2 energy levels.

Element Q  is Francium because it has the largest radius and lowest ionization  energy of any element

Element F  is Antimony. It is a member of Nitrogen family  and has the second highest ionization energy level in family .

Element R  is calcium because its on has charge of +2  which is isoelectronic with Argon . Calcium also has atomic radius is larger than Ar gon.

Element G  is Chlorine. It has the second to the smallest radius of elements in the 3rd period  as the second to the last element in the period because atomic radius decreases across a period from left to right.

Element S  is Tellurium. It has atomic mass larger than Iodine just to the right  of it and is found in the 5th period

4 0
3 years ago
Why don't we use meters or miles when discussion distances between stars or galaxies?
taurus [48]
If we use mile or something else it will be hard to measure in sky .
Because the mile or meters too short for the space,
Galaxy and stars are too long far away from us if we use mile or meter,
It till be take like miliion year to measure.


4 0
3 years ago
What is a molecular formula?
polet [3.4K]
The symbolic representation of its compound and its composition. 

or a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound. 
ANSWER IS B
5 0
2 years ago
Identify whether this describes heat or temperature.<br> Unit of measurement: Celsius
tresset_1 [31]

Answer:

temperature

Explanation:

Celsius is a unit of temperature. Another example of this would be Kelvin or Fahrenheit.

6 0
2 years ago
When an acid reacts with a base, salt and water is formed! Why??​
vladimir1956 [14]

Answer:

When n acid reacts with a base , salt and water is formed because when acid reacts with base, it loses its acidic property and base loses its basic property to form a neutral substance like salt and water..

5 0
3 years ago
Read 2 more answers
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