F=?
M=?
P=40J/S
T=1H=3600sg
X=60cm=0.6m
A=
=
=9.25x
m/s
P=
=w=p . t
F=
=
= 240x
n
W=40j/s * 3600s =144x
j
m=
=
=2.59x
kg
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