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Motion Along a Straight Line
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Fundamentals of Physics Study Set 2

Physics & Astronomy

Quiz 2 :
Motion Along a Straight Line

Quiz 2 :
Motion Along a Straight Line

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When can you treat a moving object as if it were a point-like particle?
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D

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A particle moves along the x axis from xi to x f .Of the following values of the initial and final coordinates, which results in the displacement with the largest magnitude?
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E

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A particle moves along the x axis from xi to x f .Of the following values of the initial and final coordinates, which results in a negative displacement?
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Answer:

B

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A particle moves from point x1 to point x2.Its displacement is given by:
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A car starts from Hither, goes 50 km in a straight line to Yon, immediately turns around, and returns to Hither.The time for this round trip is 2 hours.The magnitude of the average velocity of the car for this round trip is:
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The coordinate of an object is given as a function of time by x = 7t - 3t2, where x is in meters and t is in seconds.Its average velocity over the interval from t = 0 to t = 2 s is:
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The position y of a particle moving along the y axis depends on the time t according to the equation y = at - bt2.The dimensions of the quantities a and b are respectively:
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The average speed of a moving object during a given interval of time is always:
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Two automobiles are 150 kilometers apart and traveling toward each other.One automobile is moving at 60 km/h and the other is moving at 40 km/h.In how many hours will they meet?
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A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at an average speed of 40 km/h.The average speed of the car for this 80 km trip is:
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A car starts from Hither, goes 50 km in a straight line to Yon, immediately turns around, and returns to Hither.The time for this round trip is 2 hours.The average speed of the car for this round trip is:
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You leave your house and drive to your friend's house, where you stay a while.Then you come back home.Which of the following must be true of your trip?
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Which of the following five coordinate versus time graphs represents the motion of an object whose speed is increasing? img
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This graph shows the position of a particle as a function of time.What is its average velocity between t = 5s and t = 9s? img
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The coordinate of a particle in meters is given by x(t)= 16t - 3.0t3, where the time t is in seconds.The particle is momentarily at rest at t =
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Each of four particles moves along an x axis.Their coordinates (in meters)as functions of time (in seconds)are given by img For which of these particles is the velocity increasing for t > 0?
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The coordinate of an object is given as a function of time by x = 7t - 3t2, where x is in meters and t is in seconds.Its velocity at t = 3s is:
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Which of the following five coordinate versus time graphs represents the motion of an object moving with a constant nonzero speed? img
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This graph shows the position of a particle as a function of time.What is its instantaneous velocity at t = 7s? img
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The coordinate-time graph of an object is a straight line with a positive slope.The object has:
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