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Q: What is instantaneous acceleration? A. how fast a speed is changing at a specific instant B. how fast a velocity is changing at a specific instant C. how fast a direction is changing at a
specific instant D. all of the above
A: D. all of the above. Is the rate of a tangent to the slope of a graph signifying velocity versus time. It is a snapshot of acceleration at a precise moment in time based on the relative changes in velocity over time. [ It is the limit of acceleration for any given point within the displacement vector. ]
icebelmonte|Points 140|
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Asked 9/28/2012 11:45:29 PM
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Energy from the sun reaches Earth mostly by A. conduction. B. convection. C. radiation. D. thermal expansion.
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Updated 2/20/2015 2:06:33 PM
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Energy from the sun reaches Earth mostly by RADIATION.

Added 2/20/2015 2:06:31 PM
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