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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Distinguish between a transverse wave and a longitudinal wave.

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic