Answers

The Brainliest Answer!
2015-02-19T19:10:35+05:30
g = 9.8m/s ,
m = 2 kg
t = 2 seconds
u = 0
v = ?
v = u + gt
  = 0 + 9.8 *2 = 19.6 m/s
K.E.=?
K.E.=  \frac{1}{2} mv^2
       =  \frac{1}{2} * 2 *(19.6 )^2
       = 384.16 J 


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2015-02-19T19:39:50+05:30
Please see the attcahment.
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