CBSE Class 9 Answered
The distance between Delhi and Agra is 200 km A train travels the first hundred kilometres at a speed of 50 km per hour how fast must the train travel the next hundred kilometres so as to average 70 km per hour for the whole journey
In this why can't we use the formula
Average speed = initial speed + final speed / 2
Asked by ayushsinghal6789 | 07 Jun, 2020, 12:21: PM
Expert Answer
Answered by Shiwani Sawant | 07 Jun, 2020, 01:58: PM
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