tommyaberman
20.03.2021 •
Physics
Sir Isaac Newton found that white light contained every color, so objects the colors they are not and the color they are.
A. mirror / mimic
B. accept / reject
C. accelerate / repel
D. absorb / reflect
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Ответ:
Ответ:
Ответ:
∑ F (horizontal) = (150 N) cos(60°) - 15 N = (20 kg) a
==> a = ((150 N) cos(60°) - 15 N)/(20 kg) = 3 m/s²