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A straight line on a seismograph indicates that there is no seismic activity occurring at that moment. It reflects a period of relative stability where ground movement is minimal, suggesting that the seismic waves are not being detected. This can occur during calm conditions or when the seismograph is not picking up any vibrations from nearby earthquakes or other geological events.

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4d ago

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Related Questions

Does a straight horizontal line indicate uniform motion?

no, a straight horizontal line doesn't indicates uniform motion


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It indicates that it is greater for a more severe earthquake or for an earthquake close to the seismograph.


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The straight horizontal line on a graph is referred to as the x-axis. The vertical line on a graph is the y-axis.


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That the force that causes the acceleration is not constant.


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The line would indicate motion at a constant speed.


What is the line called where the seismograph traces movement of the waves in the line?

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A straight line sloping upwards on a position-time graph indicates that the object is moving with a constant positive velocity. The slope of the line represents the velocity of the object.


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Any curved line will indicate a change in acceleration. Straight lines with slope indicate a steady velocity and straight lines with zero slope indicate a lack of motion.If the X axis (left to right) is for time and the Y axis (up and down) is for speed, it would curve up.


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