Asked by chanz11
a truck traveling along a straight road at 20km/h,increases its speed to 120km/hr in 15 s. If its acceleration is constant. determine the distance traveled.
Answers
Answered by
Henry
20km/h = 20000m/3600s = 5.56 m/s.
120km/h = 120000m/3600s = 33.33 m/s.
a = (V-Vo)/t = (33.33-5.56) / 15 = 1.85 m/s^2.
d = Vo*t + 0.5a*t^2.
d = 5.56*15 + 0.925*15^2 = 292 m.
120km/h = 120000m/3600s = 33.33 m/s.
a = (V-Vo)/t = (33.33-5.56) / 15 = 1.85 m/s^2.
d = Vo*t + 0.5a*t^2.
d = 5.56*15 + 0.925*15^2 = 292 m.
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