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Speed is the measure of how fast an object moves, calculated as the distance traveled divided by the time taken. Whether watching a Grand Prix race or participating in a softball game, speed plays a crucial role in performance. For example, if Lauren throws a ball 80 feet in 1.58 seconds, understanding speed helps assess her pitching skills. Similarly, a motocross racer completing a 1200-meter lap at 27 meters per second can determine the time taken for the lap. Speed is essential in both motorsports and everyday activities.
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What is the meaning of speed? • What do you think?
If you watch a grand prix race, you will observe motion. • How would you describe the race to your friends?
You would tell them how fast the cars traveled around the track. Your description would involve speed.
Questions • The __________ of the car is the distance traveled divided by the time taken. • A. Diameter • B. Formula • C. Height • D. Speed
Lauren throws her first pitch of the season for her school’s softball team. If the ball travels 80 feet and takes 1.58 seconds to travel this distance, what is the speed of the ball?
A motorcross racer covers one lap of a 1200 meter track on his motorcycle at a speed of 27 meters per second. How long does it take to ride one lap: • A. In seconds? • B. In minutes?