Asked by RAIZA

A 1.5 kg book on top a shelf has a PE (Potential Energy) of 29.4 J. How high is the shelf?
Answered by Damon
aaarrrgghhh

1.5 (9.81) h = 29.4

still
Answered by Damon
http://www.jiskha.com/display.cgi?id=1407333641
Answered by Anonymous
2.5
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