Posted by Aliana on .
A passenger in the rear seat of a car moving at a
steady speed is at rest relative to
*the side of the road
a pedestrian on the corner ahead
the front seat of the car
the wheels of the car
A person walks 1 mile every day for excercise, leaving
her porch at 9:00 a.m. and returning at 9:25 a.m.
What is the total displacement of her daily walk?
none of the above
A person drives north 6 blocks, turns west, and
then drives 6 blocks. The driver then turns south
and drives 6 blocks. How could the driver have made
the distance shorter while maintaining the same
*by driving west 6 blocks from the starting point
by driving north 4 blocks and west 7 blocks
by driving south 6 blocks from the starting point
by driving back to the starting point by the same route
A ball is rolled uphill a distance of 5 meters before it
slows, stops, and begins to roll back. The ball rolls
downhill 9 meters before coming to rest against a tree.
What is the magnitude of the ball's displacement?
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