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3 years ago

How are elements, compounds, and molecules all related to one another?

Physics

2 answers:

vovikov84 [41]3 years ago

5 0

Answer: an element is a substance that is made up of only one kind of atom.

Molecule: they are formed ehrn teo or more atoms join together.

Compound: a compound is a substance that is formed when two or more elements combine chemically.

They are related to each other by they all formed when some rhing joins to them molecules are formed of atoms and elements are also formed of atom and compound is formed of elements

kkurt [141]3 years ago

4 0

Answer:

When elements combine, they form molecules. Simply put, a molecule is a group of two or more atoms chemically bonded together. ... Certain molecules are also compounds. A compound is a group of two or more different atoms chemically bonded together.

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How is it possible for two objects to have the same momentum but different velocities give an example

castortr0y [4]

Momentum is
p = mv, where m is the mass and v is the speed.
So, if two objects have the same momentum but different speeds, the must have different masses as well.
v1/v2 = m2/m1
The example is a car and a truck. Car has the mass 1000 kg and velocity 100 m/s, and truck has the mass 5000 kg and velocity 20 m/s. Use the formula above to determine is it true that they have the same momentum:
(100 m/s) / (20 m/s) = (5000 kg) / (1000 kg)
5 = 5
So, the example is correct.
Hope this helps! Good luck!

4 0

3 years ago

Why were phonograph records placed on the sides of the two voyager spacecraft launched in the 1970s?

LenaWriter [7]

Answer:

The reason for phonograph installation is to provide information about humans to interstellar aliens.

Explanation:

Phonographs are archaic forms of gramophone which are able to record and reproduce sound.Phonographs were used in early days in voyagers to help transmit information about humans to nearby alien species in space.

7 0

4 years ago

Increasing the mass attached to a spring will decrease the angular frequency of its vibrations. True or False

Scrat [10]

Answer:

decreases

Explanation:

The angular frequency of the mass is given by

$\omega =\sqrt{\frac{k}{m}}$

where, k is the spring constant and m be the mass of the body which is doing oscillations.

if the mass of the body increases, so the value of angular frequency decreases, as the angular frequency is inversely proportional to the square root of the mass of the body.

4 0

3 years ago

Mikes car can accelerate from 0 mph to 40mph in 5 seconds what is the acceeration of his car in miles per hour per second

Montano1993 [528]

40/5=8. His speed increases 8mph/second :)

8 0

3 years ago

Read 2 more answers

What term refers to the product of an object’s mass and velocity

labwork [276]

Answer:Momentum

Explanation:

Product of an object mass and velocity is called Momentum. Basically momentum is the measure of mass in motion . More is the mass more will be the momentum and similar applies for velocity.

For example a bus moving with low velocity can have a same momentum as that of a bullet moving with a very high velocity

Momentum is denoted by Symbol P

$\vec{P}=m\vec{v}$

6 0

3 years ago