Exam 2: Motion in One Dimension

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  The graph shows how the position of a particle depends on time. Which choice is closest to the average speed of the particle in the time interval between 0 and 6 s? The graph shows how the position of a particle depends on time. Which choice is closest to the average speed of the particle in the time interval between 0 and 6 s?

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On a graph that shows position on the vertical axis and time on the horizontal axis, the area under the curve represents

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The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question. The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question.   -The speed of the car at 5 s is -The speed of the car at 5 s is

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  Which of the curves best describes a body moving with a constant non-zero acceleration? Which of the curves best describes a body moving with a constant non-zero acceleration?

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The change in displacement for a given time interval can be interpreted as

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A balloon is ascending at a rate of 16 ft/s at a height of 32 ft above the ground when a package is dropped. The time taken, in the absence of air resistance, for the package to reach the ground is

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You drive for 30 min for 30 km East and then another 30 min for 40 km North. Your average velocity for the entire trip is

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A particle initially at rest undergoes rectilinear (i.e., straight line) motion with an acceleration that is constant in magnitude and direction. The velocity of the particle

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If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s2, then how long would it take to reach 1% of the speed of light? (Assume the speed of light = 3.0 ×\times 108 m/s)

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An object is dropped from rest near the surface of Earth. If the time interval during which it falls is doubled, the distance it falls will

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A common statistic in car tests is the standing (starting from rest) quarter-mile performance. A modern sports car can achieve a terminal speed (speed at the end of the quarter-mile) of 120 mph (193 km/h). How does the average acceleration compare to g? (0.25 mile = 402 m)

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The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question. The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. Use the graph below to answer the next question.   -The acceleration of the car between 10 s and 15 s is -The acceleration of the car between 10 s and 15 s is

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On a graph that shows position on the vertical axis and time on the horizontal axis, a straight line with a negative slope represents

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  In which graph is the particle the closest to the origin at t = 5 s? In which graph is the particle the closest to the origin at t = 5 s?

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  -For this problem, refer to the figure in problem 31. Which point has the highest instantaneous velocity? -For this problem, refer to the figure in problem 31. Which point has the highest instantaneous velocity?

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The acceleration of a vehicle is given by a(t) = At where A is a constant. Its velocity as a function of time is (vo is a constant)

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An object falling near the surface of Earth has a constant acceleration of 9.8 m/s2. This means that the

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A Triumph sports car starts at rest and accelerates uniformly to a speed of 27.0 m/s in 11.8 s. Calculate the distance the car travels during this time interval.

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If the position of an object is plotted vertically on a graph and the time is plotted horizontally, the instantaneous velocity at a particular time is

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An object is moving in a straight line. At t = 0, its speed is 5.0 m/s. From t = 0 to t = 4.0 s, its acceleration is 2.5 m/s2. From t = 4.0 s to t = 11.0 s, its speed is constant. The average speed over the entire time interval is

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