Question

a train travels at a speed of 60 km/h for 0.50h at 30 km/h for the next 0.71 hour what is the average speed of the train​

Answer 1

Answer:

the train travels at a speed of 70km/h for a time of 0.71 hr. Distance = 70 × 0.71 hr . = (31.2 + 7.2 + 49.7) km = 88.1 km . Total time taken = (0.52 + 0.24 + 0.71) hr = 1.47 hr .

Answer 2

Answer:

Here in the third case, the train travels at a speed of 70km/h for a time of 0.71 hr. =70 × 0.71 hr . = (31.2 + 7.2 + 49.7) km = 88.1 km . Total time taken = (0.52 + 0.24 + 0.71) hr = 1.47 hr .

Explanation:

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