A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 3.39 s. Then, during a negligible amount of time, he changes the magnitude of his acceleration to a value of 1.79 m/s². With this acceleration, he continues in the same direction for another 2.58 s. until he reaches a speed of 7.56 m/s. What is the value of his acceleration (assumed to be constant) during the initial 3.39-speriod? Number Units

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Chapter1: Units, Trigonometry. And Vectors
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A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 3.39 s. Then, during a
negligible amount of time, he changes the magnitude of his acceleration to a value of 1.79 m/s². With this acceleration, he continues in
the same direction for another 2.58 s, until he reaches a speed of 7.56 m/s. What is the value of his acceleration (assumed to be
constant) during the initial 3.39-s period?
Number
Units
Transcribed Image Text:A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 3.39 s. Then, during a negligible amount of time, he changes the magnitude of his acceleration to a value of 1.79 m/s². With this acceleration, he continues in the same direction for another 2.58 s, until he reaches a speed of 7.56 m/s. What is the value of his acceleration (assumed to be constant) during the initial 3.39-s period? Number Units
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