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Average velocity and displacement. l. The fastest helicopter, the Westland Lynx, can travel 3.33 km in the forward direction in just 30.0 s. What is

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Average velocity and displacement. l. The fastest helicopter, the Westland Lynx, can travel 3.33 km in the forward direction in just 30.0 s. What is the average velocity of this helicopter? Express your answer in both meters per second and kilometers per hour. 2. The fastest airplane is the Lockheed SR-71 Blackbird, a high-altitude spy plane first built in 1964. If an SR-7l is clocked traveling 15.0 km west in 15.3 5, what is its average velocity in kilometers per hour? 3. At its maximum speed, a typical snail moves about 4.0 m in 5.0 min. What is the average speed of the snail? 4. The arctic tern migrates farther than any other bird. Each year, the Arctic tern travels 3.20 X 104 km between the Arctic Ocean and the continent of Antarctica. Most of the migration takes place within two four-month periods each year. If a tern travels 3.20 X 104 km south in 122 day what is its average velocity in kilometers per day? 5. Suppose the tern travels 1.70 X 104 km south, only to encounter bad weather. Instead of tryin- to y around the storm, the tern turns around and travels 6.00 X 102 north to wait out the storm. then turns around again immediately and ies 1.44 X 104 km south to Antarctica. What are the tem's average speed and velocity if it makes this trip in 122 days? 6. Eustace drives 20.0 km to the east when he realizes he left his wallet at home. He drives 20C km west to his house, takes 5.0 min to nd his wallet, then leaves again. Eustace is 40.0 km eas of his house exactly 60.0 min after he left the rst time. a. What is his average velocity? b. What is his average speed? 7. Emily takes a trip, driving with a constant velocity of 89.5 km/h to the north except for a 22.0 min rest stop. If Emily's average velocity is 77.8 km/ h to the north, how long does the trip take? 8. Laura is skydiving when at a certain altitude she opens her parachute and drifts toward the ground with a constant velocity of 6.50 m/s, straight down. What is Laura's displacement ifit take her 34.0 s to reach the ground

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