The position of a particle is r(t) = (9.0t²-9.01 +4.0t³k) m. (a) What is the velocity of the particle at 0 s and at 1.0 s (in m/s)? (Express your answers in vector form.) (0 s) = m/s ✓(1.0 s) = m/s (b) What is the average velocity between 0 s and 1.0 s (in m/s)? (Express your answer in vector form.) m/s avg

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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The position of a particle is r(t) = (9.0t²1 – 9.0ĵ + 4.0t³k) m.
(a) What is the velocity of the particle at 0s and at 1.0 s (in m/s)? (Express your answers in vector form.)
m/s
✓(0 s)
V(1.0 s)
Vavg
=
=
=
(b) What is the average velocity between 0 s and 1.0 s (in m/s)? (Express your answer in vector form.)
m/s
m/s
Transcribed Image Text:The position of a particle is r(t) = (9.0t²1 – 9.0ĵ + 4.0t³k) m. (a) What is the velocity of the particle at 0s and at 1.0 s (in m/s)? (Express your answers in vector form.) m/s ✓(0 s) V(1.0 s) Vavg = = = (b) What is the average velocity between 0 s and 1.0 s (in m/s)? (Express your answer in vector form.) m/s m/s
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