Question

A train increases its speed steadily from 10 m/s to 20 m/s in 1 minute.
What is its average speed during this time, in m/s? PLEASE I NEED STEP BY STEP ANSWER ♥️

Answer 1

Answer:

15 m/s

Step-by-step explanation:

u=10 m/s

v=20m/s

average speed=u+v/2

=10+20/2

=30/2=15 m/s

Answer 2

Answer:

1/2 m/s....

Step-by-step explanation:

u = 10m/s

v = 20m/s

t = 1 min

= 60 s

avg speed=u+v/t

= 10+20/60

= 30/60

= 1/2m/s Ans...