Question

A train that starts from rest attains a velocity of 60 km/h
in 4 minutes of acceleration is uniform find
(a) the acceleration
and (b) the distance toavelled by the toain for at taining.
the velocity.​

Answer 1

Answer:

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Explanation:

v=u+at  

a=(v-u)/t                   -----------(1)

v=72 km/h

=20m/s

u=0

t=5*60 sec =300sec

by putting values of v,u,t in (1)

a=1/15 m/s2

s=ut +(1/2)at2

=0+(1/2)(1/15)(300)(300)

=3km