The position of a particle moving along the x axis is given by x=3t2-15t-10m, where t is in s, Determine the following a. average velocity during the time interval t=2.5 s to t=4.5s b. instantaneous velocity at 3s c. average acceleration during the time interval t=2.5 s to t=4.5s

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Chapter1: Units, Trigonometry. And Vectors
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The position of a particle moving along the x axis is given by x=3t2-15t-10m, where t is in s, Determine the following

a. average velocity during the time interval t=2.5 s to t=4.5s

b. instantaneous velocity at 3s

c. average acceleration during the time interval t=2.5 s to t=4.5s

d. instantaneous acceleration at 3s

e. is the particle speeding up or slowing down at 4s? justify your answer

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