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| Which of the following is the motion of objects moving in two dimensions under the influence of gravity? a. horizontal velocity b. projectile motion c. trajectory d. range | b. projectile motion |
| Which of the following is an example of projectile motion? a. a bullet being fired from a gun b. a jet lifting off a runway c. a space shuttle orbiting Earth d. dropping an aluminum can into the recycling bin | a. a bullet being fired from a gun |
| Which of the following is NOT an example of projectile motion? a. a hot-air balloon drifting toward Earth b. a volleyball served over a net c. a long jumper in action d. a baseball hit by a bat | a. a hot-air balloon drifting toward Earth |