A particle starts from rest at x_i = 0 and moves for 10 s with an acceleration of +2.0 cm/s².For the next 20 s,the acceleration of the particle is -1.0 cm/s².What is the position of the particle at the end of this motion? A)zero B)+3.0 m C)-1.0 m D)+2.0 m E)-3.0 m

Question

Quizplus · Accepted Answer

The particle first accelerates at +2.0 cm/s² for 10 s, reaching a velocity of 20 cm/s and covering a distance of 100 cm (1 m). Then, it accelerates at -1.0 cm/s² for 20 s, reaching a velocity of 0 cm/s and covering an additional distance of 200 cm (2 m). The total distance is 3 m.

A Particle Starts from Rest at Xi = 0 and Moves

A Particle Starts from Rest at X_i = 0 and Moves