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Algebra Word Problems : Velocity and Displacement

A ball is dropped from the top of a 400 foot tall building and falls such that its distance from the ground at t seconds is s = -16t2 + 400 feet. What is the average velocity of the ball for the first 4 seconds?


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Velocity and Displacement are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.