The position vector r of a particle moving in the x-y plane is given by r= [(5t + 7) mli + [(2t3 - 10t2) mlj, where t is in seconds, and i and j are the unit vectors in the positive-x and positive-y directions, respectively. Which of the following is CLOSEST TO the direction of the particle's motion at t = 2.00 s, as an angle counterclockwise from the positive x-axis? THE ACTUAL ANGLE DOES NOT APPEAR BELOW.

The position vector r of a particle moving in the x-y plane is given by r= [(5t + 7) mli + [(2t3 - 10t2) mlj, where t is in seconds, and i and j are the unit vectors in the positive-x and positive-y directions, respectively. Which of the following is CLOSEST TO the direction of the particle's motion at t = 2.00 s, as an angle counterclockwise from the positive x-axis? THE ACTUAL ANGLE DOES NOT APPEAR BELOW.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 6P: At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of...

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