A particle moves according to a law of motion s= f(t), t≥ 0, where t is measured in seconds and s in feet. f(t) = t3 - 12t² + 45t (a) Find the velocity at time t (in ft/s). v(t) = (b) What is the velocity (in ft/s) after 4 s? v(4)= ft/s (c) When (in seconds) is the particle at rest? (smaller value) t = S (larger value) t =
A particle moves according to a law of motion s= f(t), t≥ 0, where t is measured in seconds and s in feet. f(t) = t3 - 12t² + 45t (a) Find the velocity at time t (in ft/s). v(t) = (b) What is the velocity (in ft/s) after 4 s? v(4)= ft/s (c) When (in seconds) is the particle at rest? (smaller value) t = S (larger value) t =
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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