The position of a dragonfly that is flying parallel to the ground is given as a function of time by r 2 90 m (0 0900 m s 2 )t 2 i (0 0150 m s 3 )t 3 j (a) At what value of t does the velocity vector of the insect make an angle of 30 0 o clockwise from the x axis (b) At the time calculated in part (...

Identify Use the position vector of a dragonfly to deter ...

The position of a dragonfly that is flying parallel to the ground is given as a function

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The position of a dragonfly that is flying parallel to the ground is given as a function of time by r = [2.90 m + (0.0900 m/s²)t²]î – (0.0150 m/s³)t₃ĵ.

(a) At what value of t does the velocity vector of the insect make an angle of 30.0^o clockwise from the +x-axis?

(b) At the time calculated in part (a), what are the magnitude and direction of the acceleration vector of the insect?

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University Physics with Modern Physics

ISBN: 978-0321696861

13th edition

Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford

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Question Posted: Jul 02, 2018 09:10 AM

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