Question

A 1.5 kg book on top a shelf has a PE of 29.4 J. How high is the shelf?

Answer 1

m g h = 29.4

1.5 * 9.81 * h = 29.4

solve for h

Answer 2

A 1.5 kg book on top of A shelf had a PE 29.4j.how high is the shelf.