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During a race, a runner runs at a speed of 6 m/s. Four seconds later, she is running at a speed of 10 m/s. what is the runners acceleration? show your work.
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During a race, a runner runs at a speed of 6 m/s. Four seconds later, she is running at a speed of 10 m/s. what is the runners acceleration? show your work.

User Novian Kristianto
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a = (v2 - v1)/t = (10 - 6)/2 = 2 m/sec/sec (average acceleration)
User Alexander Kurakin
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