NikkiZoeller
05.11.2020 •
Physics
3. James pushes a 12 kg box across the floor with 350 J of work. a) what is the weight of the box? b) How far did he move it?
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Ответ:
True
Explanation:
Because AxB=lAllBlsin(x)
and x is the angle between them
so, the angle is 180° and sin180 is zero.