The speakers in a sports stadium are 89.5 m from a fan's seat. How much
time does it take sound to travel from
the speakers to the fan's seat?
Speed of sound = 343 m/s
(Unit = s)

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Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative