Question

How far does a train that starts from a station go if it accelerates at 1.2 m/s2 for 30 seconds?

(pls answer w explanation asap thanks)

Answer 1

216km

Step-by-step explanation:

v

1

=u

1

+at

1

⇒v

1

=0+0.2t

1

v

2

=v

1

+at

2

⇒0=v

1

−0.4t

2

t

1

+t

2

=

0.2

v

1

+

0.4

v

1

⇒30×60=v

1

×7.5

⇒v

1

=240m/s