A Train Starts from Rest and Accelerates Uniformly Until It

question 133

Multiple Choice

A train starts from rest and accelerates uniformly until it has traveled 5.6 km and acquired a forward velocity of 42 m/s. The train then moves at a constant velocity of 42 m/s. For 420 s.The train then slows down uniformly at 0.065 m/s². Until it is brought to a halt.The acceleration during the first 5.6 km of travel is closest to which of the following?

• A)0.16 m/
• B)0.14 m/
• C)0.17 m/
• D)0.19 m/
• E)0.20 m/

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