. A train is moving with velocity of 36 km/h is accelerated so its velocity becomes 72 km/h in 5 s. Find the acceleration of the train.
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it will be done by using the first equation of motion
v=u+a*t
v=72 km/hr= 20 m/s
u=36 km/h= 10 m/s
t= 5 s
v=u+a*t
20=10+a*5
20-10=5a
10=5a
a=10/5
a=2 m/s²
v=u+a*t
v=72 km/hr= 20 m/s
u=36 km/h= 10 m/s
t= 5 s
v=u+a*t
20=10+a*5
20-10=5a
10=5a
a=10/5
a=2 m/s²
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