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Which of the following is an example of projectile motion?
- A A helicopter taking off
- B A thrown baseball
- C A space shuttle being launched
- D A jet lifting off a runway
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A thrown baseball is an example of projectile motion because it follows a curved path in the air due to the combined effects of its initial velocity and the force of gravity acting on it. As soon as the baseball leaves the pitcher's hand, it becomes subject to the force of gravity, causing it to follow a parabolic trajectory until it eventually lands on the ground. This type of motion, where an object is launched into the air and moves under the influence of gravity alone, is known as projectile motion.