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Mashcka [7]
3 years ago
8

Which of Newton’s laws explains how a rocket achieves lift off?

Chemistry
1 answer:
harina [27]3 years ago
6 0
F=m*a. his second law i think
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An unknown material has a mass of 5.75 g and a volume of 7.5 cm3.
Shtirlitz [24]

Hey there!:

Mass = 5.75 g

Volume = 7.5 cm³

Therefore:

Density = mass / volume

D = 5.75 / 7.5

D = 0.7 g/cm³

Answer C

Hope that helps!

3 0
3 years ago
A high pich always correspond to
Masteriza [31]
A high frequency sound wave 
4 0
4 years ago
Which statement is accurate for these two sub-atomic particles.
krek1111 [17]

Answer:

The correct answer is "They are both located in the nucleus".

Explanation:

I had to look for the problem and found that the particles are a Proton and a Neutron.

The atomic nucleus is the central section of an atom, is positively charged and has almost the entire mass of the atom.

The nucleus is formed by protons and neutrons, which are held together by strong nuclear interaction, which allows the nucleus to be stable.

Have a nice day!

8 0
4 years ago
Low-density polyethylene is formed because _______ polymerization is very unpredictable and difficult to control.
Harlamova29_29 [7]

Answer:

radical-initiated

Explanation:

Radical-initiated polymerization is unpredictable and difficult to control. The reaction proceeds indiscriminately and produces shortened chains, loops, and branches that create holes in the polymer. This reduces its mass to volume ratio.

7 0
3 years ago
Major groups of minerals include _____. oxides and carbonates ions and isotopes inorganics and halides silicates and magnetics
mash [69]
The  major    groups  of  minerals  includes: carbonate   ions  and oxides,  .  In  addition  to   this   three  groups   the    following   are   also  the  major   groups   of    minerals
native   elements
sulfate
sulfides
halides
silicate
nitrate       among   others  such   as  phosphate  and vanadate

3 0
3 years ago
Read 2 more answers
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