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Aleksandr-060686 [28]
3 years ago
12

According to the law of conservation of momentum, the ____________________ amount of momentum of a group of objects does not cha

nge unless outside ____________________ act on the objects.
Physics
1 answer:
erica [24]3 years ago
8 0
According to the law of conservation of momentum, the <u>       TOTAL         </u> amount of momentum of a group of objects does not change unless outside _____<u>FORCES</u>____ act on the objects.
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What is the force acting on the object?(g=10m/s^2)​
Vera_Pavlovna [14]

Answer:w=mxg

2x10 =20 N

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3 years ago
A physical quantity, G, is defined by G = (Original mass x time)/(change in mass), what is the S.I. unit of G ?
Andrei [34K]
The gravitational constant (G) in its base SI units is

3/2
m
3
k
g
/
s
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But is often seen written as

⋅
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⋅
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m
2
/
k
g
2


Where N is the Newton unit. N=kg ⋅
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4 0
2 years ago
The most reactive metals are located at the of the periodic table.
NeX [460]

Answer:

the elements towards the bottom left corner

7 0
3 years ago
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The SI system uses three base units. Question 6 options: True False
GalinKa [24]

Answer:

The answer is false

Explanation:

Though the mostly used SI unit of measurement or the most popular units are the

Length,

Time and

Mass

i.e meter (m), seconds (s), kilogram (kg)

Aside all the above stated units for measurements there are other four basic units which are itemized  bellow.

they are

1. Amount of substance - mole (mole)

2. Electric current - ampere (A)

3. Temperature - kelvin (K)

4. Luminous intensity - candela (cd)

6 0
3 years ago
Which wavelength would scientists use to measure the molecular structure of H2O?
Ne4ueva [31]

Answer:

To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O).

Explanation:

7 0
2 years ago
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