If an object is dropped from a 151-foot-high building, its position (in feet above the ground) is given by s(t) = - 16t + 151, where t is the time in seconds since it was dropped. (a) What is its velocity 1 second after being dropped? (b) When will it hit the ground? (Hint: Solve s(t) = 0.) (c) What is its velocity upon impact (at the instant when it hits the ground)?
If an object is dropped from a 151-foot-high building, its position (in feet above the ground) is given by s(t) = - 16t + 151, where t is the time in seconds since it was dropped. (a) What is its velocity 1 second after being dropped? (b) When will it hit the ground? (Hint: Solve s(t) = 0.) (c) What is its velocity upon impact (at the instant when it hits the ground)?
Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Exponential And Logarithmic Functions
Section11.CR: Review Problem Set
Problem 62CR
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