Respostas

2014-05-19T10:12:58-03:00
F=m.a
m=60kg
a=25
60.25= 1500
2014-05-19T11:37:59-03:00
Fr=m.a
a=Fr/m
a=60/30
a=2m/s²

V=Vo+at
V=0+2.5 (vo=0 pq ele parte do repouso)
V=10m/s