A particle travels along a straight-line path such that in 4 s it moves from an initial position sA = -8 m to a position sB = +3 m. T hen in another 5 s it moves from sB to sC = -6 m. Determine the particle’s average velocity and average speed during the 9-s time interval mdch12.

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  Have a nice day Eng.Yazan Jarrah

 Hibbeler engineering mechanics dynamics 14 edition