Physics, 13.07.2020 22:01 alexchou773pejk7x
A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in feet. (If an answer does not exist, enter DNE.)
f(t) = t^3 − 8t^2 + 28t
a. Find the velocity at time t.
b. What is the velocity after 1 second?
c. When is the particle at rest?
d. When is the particle moving in the positive direction?
e. Find the total distance traveled during the first 6 seconds.
Answers: 2
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