Question

Starting from rest a train moves with uniform acceleration and accures velocity of 30 km per hour in 2 minutes how far will it go 5 minutes?

Answer 1

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Answer 2

given,
u= 0
v= 30
t= 2
using first equation of motion,
v=u +at
30 = 0+ 2a
30= 2a
15 = a
now, acceleration =15
using again first equation of motion,
now,
u=0
a = 15
t = 5
v = u+at
v = 0+15(5)
v = 75 km/hr.
ans. = 75 km