A train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming the acceleration is uniform, calculate the acceleration of the train.

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A 0.066 m/s²
B 14.4 m/s²
C 1 m/s²
D 2 m/s²

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Answer: A. 0.066 m/s²

Correct Answer: A) 0.066 m/s²
Explanation: u = 0 m/s; v = 72 km/h × 5/18 = 20 m/s; t = 5 × 60 = 300 s.
a = (v - u)/t = 20/300 ≈ 0.066 m/s².

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A train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming the acceleration is uniform, calculate the acceleration of the train.

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