lecture_questions_1Dmotion - An object moves along the x...

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1 An object moves along the x axis as shown below. At what time is v =0 ? t x t 1 t 5 t 4 t 3 t 2 A. t1 B. t2 C. t3 D. t4 E. t5 t x t 1 t 5 t 4 t 3 t 2 An object moves along the x axis as shown below. At what time does the velocity v has its largest positive value? A. t1 B. t2 C. t3 D. t4 E. t5 t x t 1 t 5 t 4 t 3 t 2 An object moves along the x axis as shown below. At what time is the speed of the object the largest ? A. t1 B. t2 C. t3 D. t4 E. t5 t x t 1 t 5 t 4 t 3 t 2 An object moves along the x axis as shown below. At what time is the object's speed decreasing ? A. t1 B. t2 C. t3 D. t4 E. t5
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2 At t =0 the velocity of a particle is 2 m/s. If its acceleration a (t) is as shown, what is its velocity at t =6s ? a (m/s 2 ) t (s) 1 4 2 6 v ( t =6s) =? A. 2 m/s B. 4 m/s C. 6 m/s D. 7 m/s E. 8 m/s v (m/s) t (s) 5 2 1 3 At t =0 the position of a particle is x =-5 m. If its velocity v ( t ) is as shown, what is its position at t=3 s ? x ( t =3s) = ? A. -5 m B. 0 m C. 2.5 m D. 5 m E. 7.5 m When a traffic light turns green at t =0, a car moves forward from rest at x =0 and eventually comes to a stop at the next red light at t =ts. Which of the following
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lecture_questions_1Dmotion - An object moves along the x...

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