1. An automible accelerated from rest at 1 ft/s? for 30 s, continues at constant speed for 2 minutes, and the comes to a stop in 15 s. What distance did it cover?
1. An automible accelerated from rest at 1 ft/s? for 30 s, continues at constant speed for 2 minutes, and the comes to a stop in 15 s. What distance did it cover?
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Transcribed Image Text:Part 4: Mixed Problems
1. An automible accelerated from rest at 1 ft/s? for 30 s, continues at constant speed for 2 minutes,
and the comes to a stop in 15 s. What distance did it cover?
2. A man jogs halfway to his destination at 8 km/h and walks at rest of the way in 6 km/h. What is his
average speed for the entire trip?
3. A bus travels 400 m between two stopes. It starts from rest and accelerates at 1.5 m/s? until it
reaches a speed of 9 m/s. The bus continues at this speed until it decelerates 2 m/s? until it comes to
a halt. Find the total time required for the journey.
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