Question

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
​

Answer 1

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 .

Answer 2

Answer:

refer to above attachment (◍•ᴗ•◍)❤