A Train Starts from Rest and Accelerates Uniformly Until It

question 400

Multiple Choice

A train starts from rest and accelerates uniformly until it has traveled 2.1 km and acquired a forward velocity of 24 m/s. The train then moves at a constant velocity of 24 m/s for 400 s. The train then slows down uniformly at until it is brought to a halt. The distance traveled by the train while slowing down is closest to

• A) 4.4 km.
• B) 3.6 km.
• C) 4.2 km.
• D) 4.0 km.
• E) 3.8 km.

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