College Physics

11th Edition

ISBN: 9781305952300

Author: Raymond A. Serway, Chris Vuille

Publisher: Cengage Learning

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A car starting from rest moves in a straight line with a constant acceleration of 1.70 m/s² for 10.0 s, then slows down to a stop with a constant deceleration of 3.05 m/s². How far does it travel?

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Traveling with an initial speed of 70 kph, a car accelerates at 6000 km/hr2 along a straight road. How long will ittake to reach a speed of 120 kph? Also, through what distance does the car travel during this time?

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A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a constant speed of 640 mi/h, how far is she from her starting position?Your answer is______mi;

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From a building of height h = 22.5 m an object is thrown upward with speed v0 = 9.1 m / s. Evaluate the time Δt that this object takes to go from the height h / 2 to the base
(answer in seconds)

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If an object is thrown straight up and reaches a height of 20 m, what was the initial speed of the object?

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In an 8.00 kmkm race, one runner runs at a steady 11.2 km/hkm/h and another runs at 14.9 km/hkm/h.
How far from the finish line is the slower runner when the faster runner finishes the race?
Express your answer in kilometers to three significant figures.

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An unidentified flying object (UFO) is observed to travel a total distance of 49000 m, starting and ending at rest, over a duration of 3.07 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2.
20,796 g s
10,398 g s
2,120 g s
1,060 g s

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A car accelerates from rest at 2.5 m/s2, travels with a constant velocity of 90 km/h and then decelerates at 3.0 m/s2 before coming to rest. If the total distance traveled is 500 m, what distance is the car traveling with constant velocity?

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A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 11 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a constant speed of 625 mi/h, how far is she from her starting position? (Round your answer to the nearest mile.)

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Bill runs at a steady pace of 5.00 m/s. How long will it take Bill to run 1.00 mile? (N.B. 1 mile =5280 feet). Answer in seconds.

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A truck travels 40 m in 4.5 s, decelerating smoothly and decreasing its speed to 2.8 m / s ^ 2. What is the first speed of the truck?

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What is the total distance covered in m/s by an airplane before takeoff if it accelerates at 3.20m/s^2 for 32.8m/s?

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An antelope moving with constant acceleration covers the distance 77.0 mm between two points in time 6.90 ss . Its speed as it passes the second point is 14.2 m/sm/s .

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