The position vector, r metres, of a particle at time t seconds is given by: r = (? - t+ 5)i + (?? – 12? + 45t + 17)j The unit vectors i and j are horizontal and vertical unit vectors respectively. The mass of the particle is 3 kg. Find the times when the particle is moving parallel to the ground. (|| seconds and seconds

The position vector, r metres, of a particle at time t seconds is given by: r = (? - t+ 5)i + (?? – 12? + 45t + 17)j The unit vectors i and j are horizontal and vertical unit vectors respectively. The mass of the particle is 3 kg. Find the times when the particle is moving parallel to the ground. (|| seconds and seconds

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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