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A train starting from a railway station at the speed of 40km per hour. Acceleration of train is 0.9m per second square in 10min. Find the final velocity .?
Most Upvoted Answer
A train starting from a railway station at the speed of 40km per hour....
A= (v-u)÷t

0.9m/s=(v-40km/h)÷10 min
=(9÷10)m/s=(v-40km/h)÷600 sec
=(v-40km/h)=(9÷10)m/s × 600sec
=(v-40km/h)=540 m/s^2
=(v-(40000m÷3600sec ))=540m/s^2
=(v-(100m÷9sec))=540m/s^2
=v=540m/s^2+(100m÷9sec)
=v=(4960÷9)m/s
=v=551.1m/s
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