Answers

2015-09-15T13:41:43+05:30
U= 20 km/h = 20*5/18= 50/9 m/s
v= 60 km/h = 60*5/18= 50/3 m/s
t= 6 s
a= v-u/t
  = 50/3-50/9÷6 
  = 100/9÷6
  = 100/9×1/6
  =  50/27 m/s^2
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