Respuestas

2011-11-15T19:06:15+01:00

t = 5s

s = 1.8m

a = ?

 

s = at^2/2

1.8 = a x 5^2/2

1.8 = 25a/2

1.8 = 12.5a /12.5

a = 0,144m/s^2

 

-a = 2.7/10

-a = 0.27 m/s^2