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Posted by on Tuesday, April 28, 2009 at 3:42pm.

Can the size of an object's displacement be greater than the distance the object travels?

Describe the motion represented by a horizontal line on a distance-time graph.

Explain whether, during a trip, a car's instantaneous speed can ever be greater than its average speed.

You are walking toward the back of a bus that is moving forward with a constant velocity. Describe your motion relative to the bus and relative to a point on the ground.

A car travels at an average speed of 30 m/s for .8 h. Find the total distance traveled in km.

  • Science - , Friday, May 1, 2009 at 12:17am

    For (1), consider this as a starter. A car travels due east for 30 miles, then turns due north and travels for another 40 miles. What is the distance? What is the displacement?

    I won't say which one, but the distance and displacement form a right triangle: one of them makes up the two "legs" and the other the hypotenuse.

    See how far that gets you.


    For (3), consider these values. The car starts off at 0 mph, accelerates up to 65 mph and travels that speed for an hour, then comes to a town and must slow down to 25 mph for 10 minutes, then it comes to a stop. Without doing math, you should be able to tell is the maximum speed traveled at any instance could be greater than the average speed for the trip.

  • Science - , Wednesday, October 8, 2014 at 7:58am

    Stshbrayonb

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