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Answer:
S=172m
Explanation:
Given ,
u=10km/he,t=2min
》10×18/5=36m/s
final velocity=40km/hr=136m/s
we have,v=u+at
a=50m/s‐² or a=10+40
i.e,s=ut+1/2 at²
therefore, s=36×2+1/2×50×(2)²
i.e,172m
therefore, s=174m