A Sprinter Runs 100

question 58

Multiple Choice

A sprinter runs 100.0 m. If he travels at constant acceleration of 1.95 m/s² for the first 75.0 m and then at constant velocity for the remaining distance, what was his total elapsed time for the whole race?

• A) 11.3 s
• B) 9.8 s
• C) 10.1 s
• D) 10.2 s

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