Asked by Dorcas

a train slows from 108km/h with a uniform retardation of 5m/ssquare how long will it take to reach 18km/h and what is the distances
Answered by Henry
Vo = 108,000m/3600s = 30 m/s.
V = 18,000m/3600 = 5 m/s.

V = Vo + (-5)t = 5.
30 + (-5)t = 5,
t = 5 s.

d = Vo*t + 0.5a*t^2 = 30*5 + (-2.5)*5^2 =

Answered by Itam okah
Itam
Answered by Yusuf
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