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  • A train starting from rest attains a velocity of 72 km per hour in 5 minutes Assuming that the acceleration is uniform find the distance travelled by train for attaining this velocity

A train starting from rest attains a velocity of 72 km per hour in 5 minutes Assuming that the acceleration is uniform find the distance travelled by train for attaining this velocity

Answers (1)

Starting from rest implies the initial velocity is zero. 

u=0

v=72Km/h=20m/s

v=u+at

20=0+a x 300

a=1/15 m/s2

distance travelled

s=ut+0.5at2

s=0+0.5 x (1/15) x 90000=3000m=3Km

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Safeer PP

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