4. Let s(t) = −3t² + 14t + 5 describe the vertical position of a ball in meters, with t measured in seconds. a. What is
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4. Let s(t) = −3t² + 14t + 5 describe the vertical position of a ball in meters, with t measured in seconds. a. What is
4. Let s(t) = −3t² + 14t + 5 describe the vertical position of a ball in meters, with t measured in seconds. a. What is the initial position, initial velocity, and acceleration of the object? b. Find the time t where s(t) = 0 (i.e., when the ball hits the ground), and evaluate the derivative v(t) at that time t.
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