Q4.
A train travels at a speed of
60km/hr for 0.52 hs, at 30km/ur
for next 0.24hr and 70km/hr
for next 30 minutes. find the average speed of the train
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Answered by
0
Answer:
1.47 hr
Explanation:
In the third case, 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 .
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Answer:
refer to above attachment (◍•ᴗ•◍)❤
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