SOLUTION: A train travels half the distance from 30 km/hr and the remaining half with 60km/hr. What is it's average speed ?
Algebra.Com
Question 595868: A train travels half the distance from 30 km/hr and the remaining half with 60km/hr. What is it's average speed ?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A train travels half the distance from 30 km/hr and the remaining half with 60km/hr. What is it's average speed ?
----------
Avg = 2*30*60/(30+60) = 3600/90
Avg = 40 km/hr
================
This formula applies only if the distances are equal.
RELATED QUESTIONS
A person covers half his journey by bus at 60 km/hr, half the remaining half by train at... (answered by ankor@dixie-net.com)
a bus travels first half of its journey with a speed of 40km/hr and in next half with a... (answered by Alan3354)
a train travels 60 km/hr for 0.52 hour, 30 km/hr for next 0.24 hr and then 70 km/hr for... (answered by ankor@dixie-net.com)
a train travels 650 km in 12 hours. what is the average and speed in. a) km/hr b) m/s... (answered by nyc_function)
Alice travels from the train station to the bus depot at a speed of 20 km/hr starting at... (answered by lwsshak3)
A car completes a journey in 10 minutes. For the first half of the distance the speed was (answered by lwsshak3)
if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average... (answered by MathTherapy)
A car travels a distance of900 km with a certain average speed. After travelling half the (answered by Alan3354)
15km/hr to 60km/hr going to north of east direction in 20 seconds.
a.)what is the... (answered by Alan3354)