Asked by Michael Lawrence Dureza
A motorist travels 160km at 80km/hr and 160km at 100km/hr. What is the average speed of the motorist for this trip?
I need the step by step solution because I didn't listen to ny teacher properly
I need the step by step solution because I didn't listen to ny teacher properly
Answers
Answered by
Henry
d1 = r*t = 160 km.
80*t = 160.
t1 = 2 hrs.
d2 = r*t = 160 km.
100*t = 160.
t2 = 1.6 hrs.
r(avg.) = (d1+d2)/(t1+t2) = 320/3.6 =
88.9 km/hr.
80*t = 160.
t1 = 2 hrs.
d2 = r*t = 160 km.
100*t = 160.
t2 = 1.6 hrs.
r(avg.) = (d1+d2)/(t1+t2) = 320/3.6 =
88.9 km/hr.
Answered by
Wondwesen
Am satisfied
Answered by
Kuhlula
When driving at an average speed of 100km /h calculate the time spent on the road for the journey
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