Respostas

2014-08-23T15:46:09-03:00
A)   s = 20 + 5.3 -2. 9

s = 35 -2. 9

s = 17m

acelerado

b) s = 20 + 5.8 -2 64

s = 60 -2 64

s = -68m

retardado
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