Question

a train travels at an average speed of 15m/s​

Answer 1

Answer:

Here's the answer hope it helps

Answer 2

Answer:

(a) 15 x 3.6 = 54 km/hr

(b) time taken = distance travelled/speed

    time taken = 750/15 = 50s

(c) 36 km = 36000m

    Time taken = distance travelled/speed

    Time taken = 36000/15 = 2400 s

So 240 secs is 40mins,

So the train reached at 8:40