Additional V&A problems

Additional V&A problems - Questions 6 and 7 pertain to...

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Unformatted text preview: Questions 6 and 7 pertain to the situation described below: I Peter noticed a bug crawling along a meter stick and decided to record the bug‘s position in five-second intervals. After the bug crawled off the meter stick, Peter created the table shown. What is the displacement of the bug between t = 0.00 s and t = 20.0 s? (3) +393 cm (c) +657 cm (e) +16.1 cm (b) —39.9 cm (d) —1s.1 cm What is the total distance that the bug traveled between (2 0.00 sand I = 20.0 5? Assume the bug only ' changed directions at the end of a five-second interval. (a) 39.9 cm (c) 16.1 cm . (c) 26.5 cm (b) 65.7 cm (d) 47.1 cm In the process of delivering mail, a postal worker walks 161 In, due east from his truck. He then turns around and walks 194 In, due west. What is the worker’s displacement relative to his truck? A Canadian goose flew 845 km from Southern California to Oregon with an average speed of 30.5 m/s. How long, in hours, did it take the goose to make this journey? When the outdoor emergency warning siren at Cheryl’s school was tested, the sound from the siren took 7.0 s to reach her house located 2.40 km from the school. What is the speed of sound in air? A landing airplane makes contact with the runway with a speed of 78.0 mfs and moves toward the south. After 18.5 seconds, the airplane comes to rest. What is the average acceleration of the airplane during the landing? A car, starting from rest, accelerates in a straight-line path at a constant rate of 2.5 I'll/$2. How far will the car travel in 12 seconds? A ball is dropped from rest from a tower and strikes the ground 125 m below. Approximately how many seconds does it take the ball to strike the ground after being dropped? Neglect air resistance. Water drips from rest from a leaf that is 20 meters above the ground. Neglecting air resistance, what is the speed of each water drop when it hits the ground? ...
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Additional V&A problems - Questions 6 and 7 pertain to...

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