Answer:-61.67m/s^2
Explanation:
initial velocity(u)=250m/s
final velocity(v)=14.5m/s
Distance covered(d)=505m
v^2=u^2+2xaxd
(14.5)^2=250^2+2xax505
210.25=62500+1010a
Collect like terms
210.25-62500=1010a
-62289.75=1010a
a=-62289.75/1010
a=-61.67m/s^2
