Answer:
15.61 m/s^2
Step-by-step explanation:
From 3 rd equation of motion
s=ut+1/2at^2
given s = 30
u= 0 ( as body was at rest)
t= 1.96s
30=0*1.96+1/2a(1.96)^2
30=0+1/2a(1.96)^2
a=2*30รท(1.96)^2
a= 15.61 m/s^2 (approx)
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