1) An object moves at constant speed of 30 m/s during 5 s. What is the acceleration? a) 5 m\s2 b) 6 m\s2 c) zero m\s2 2) The following is (Displacement –time) graph represent the motion of object from rest, during which interval was the car stopped? a) A to B b) B to C c) C to D 3) Which of the following quantities is the rate of change in displacement during time? a) Speed b) Acceleration c) Velocity

physics

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