jessicaisbaehood
15.12.2021 •
Physics
A student on roller skates glides across a floor with a lunch tray. Total mass is 1.3 kg at waist level 1.1m above the floor from the cash register to her table 23.4 m away how much work is done.
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Ответ:
We know, F = m.a
m = F/a
m = 99/11 = 9
So, The mass of the box is 9 Kg