if you travel 210km from town A to town B at a speed of 30kmph and from there to town c at a speed of 70kmph for another 140km, then what is your average speed during the entire journey
Answers
Answered by
1
Step-by-step explanation:
average speed is = total distance/total time taken
total distance covered =210+70=280km
tkme tale from A to B is
t=s/v
t= 210/30= 7hrs
time taken from B to C
t=140/70= 2hrs
total time from A to C is 9hrs
average speed = 280/9km /h
Answered by
0
Answer:
350/9hrs=38.8888km/hr
Step-by-step explanation:
Distance from town A to B=210km
Time Taken= 210/30=7hrs
Distance From Town B to C=140 km
Time taken=140/70=2hrs
Average Speed =TOTAL DISTANCE/TOTAL TIME TAKEN...
=210+140/9HRS=38.888KM/HR
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