hargunk329
05.05.2020 •
Chemistry
Which elements are main compentents of the sun
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Ответ:
Hydrogen and Helium are the main components of the sun.
Explanation:
Ответ:
0.147N
Explanation:
F = m( v-u )
t
This rewritten as
F = ma
For the pen to be held without falling , the frictional force must be equal to the force that would bring the pen down.