a train starts from a staion and moves with a constant acceleration for 2 minutes. If it covers 400 metre in this period find acceleration.
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Time = 2 min = 120 sec
s = 400m
u = 0 m/s
a = ?
s = ut + 1/2 × at²
400 = 0 × 120 + 1/2 × a × 120²
400 = 1 /2 × a × 120²
400 × 2 / 120² = a
a = 800 / 14400
a = 0.0555556 m/s²
s = 400m
u = 0 m/s
a = ?
s = ut + 1/2 × at²
400 = 0 × 120 + 1/2 × a × 120²
400 = 1 /2 × a × 120²
400 × 2 / 120² = a
a = 800 / 14400
a = 0.0555556 m/s²
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