Question

A train increases it's speed steadily from 10 m/s to 20 m/s in minutes
a) what is it's average speed during this time in m/s
b) how far does it travel while increasing it's speed

Answer 1

Answer:

average speed = (inital speed + final speed )

                             -------------------------------------

                                             2

a. what is the average speed during this time in m/s?

(10 + 20)/2

= 15 m/s

b. how far does it travel while increasing its speed?

(10 + 20)/2 x 60

= 900 m

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