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aleksandr82 [10.1K]
3 years ago
10

A chemical reaction is the only way to an

Physics
1 answer:
Klio2033 [76]3 years ago
7 0

Answer:

B: Pure Substance

Explanation:

You might be interested in
The change in position is known as
Goryan [66]

Answer:

distance or displacement

Explanation:

the answer can be displacement or displacement. if the required measure is between two points, we can call it as distance. but if we are to find the distance moved, we call it displacement. though it sounds pretty similar, they are very different. displacement is the shortest distance of movement of a body to its final point (or to the asked point) and distance is the total distance travelled by the body. and while distance is a scalar quantity, that this value shows the magnitude, displacement is a vector quantity, that this value should show both magnitude and direction.

for example if an object travels from point A to point B that is a 10 meters away and back, the distance will be 10+10 which is 20 meters. but the displacement is 0!

since not much information is given, the answer can be both distance or displacement

4 0
4 years ago
The density of an object is how much matter it contains. <br><br> a. True <br><br> b. False
daser333 [38]

Answer:

False

Explanation:

The density is mass divided by volume

4 0
4 years ago
A kid on a playground swing makes 6 complete to-and-fro swings each 30 seconds
Evgesh-ka [11]
I assume that you want to find out what's the frequency is.

Number of oscillation = 6  which being done in 30 second.

which means the time period for 1 oscillation is 30 second/6 = 5 second


Frequency = 1/time period
                 = 1/5 Hertz

Hope this help
4 0
3 years ago
Explain the term balance point as applies to the Wheatstone Bridge.​
umka21 [38]

Answer:

Explanation: The Wheatstone bridge is the interconnection of four resistances forming a bridge. ... To find the value of unknown resistance the deflection on galvanometer made to zero by adjusting the variable resistor. This point is known as balance point of Wheatstone bridge

8 0
3 years ago
Question: Why do both the moon and the earth pull on the spaceship the entire time? Why must you be closer to the moon before th
Ira Lisetskai [31]
-- There's no limit to the distance of gravitational forces. 
There's gravitational force between Pluto and the lint in your
pocket ... not much, but it's there, and it can be calculated.

So there's ALWAYS gravitational force between the Earth and the
spaceship, AND ALSO between the Moon and the spaceship. 
Even before it's ever launched !

-- The Earth has about 80 times as much mass as the Moon has,
so you have to be much closer to the Moon before the gravitational
forces in each direction are equal.
8 0
3 years ago
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