a train starting from railway station attains a speed of 42 m/s in one minute .Find its accelaration?
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initial velocity =u=0
final velocity=v=42m/s
time=t=1minute=60second
acceleration=final velocity-intial velocity÷time
a=42-0×60
42÷60=7/10=0.7m/second square
final velocity=v=42m/s
time=t=1minute=60second
acceleration=final velocity-intial velocity÷time
a=42-0×60
42÷60=7/10=0.7m/second square
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