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Compute (accurate to at least 8 decimal places) the average velocity

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The position of an object is given by s(t)=cos2((3t6)/2)

Compute (accurate to at least 8 decimal places) the average velocity of the object between t=2 and the following value of t=2.5

asked Sep 5, 2018 in CALCULUS by rockstar Apprentice
reshown Sep 5, 2018 by bradely

1 Answer

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s(t)=cos2((3t6)/2)

s(2)=cos2((3(2)6)/2)=cos2((0))=1

s(2.5)=cos2((3(2.5)6)/2)=cos2((0.75*180/π))=0.5353686

Compute (accurate to at least 8 decimal places) the average velocity.

AV =s(2.5)-s(2)/(2.5-2) =( 0.5353686-1)/(2.5=2) =0.92926280

answered Sep 11, 2018 by johnkelly Apprentice

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