(a) How much work is done in raising a 50 kg crate a distance of 1.5 m above a store room floor? - the floor store
(b) What is the variation of potential energy by this movement? (c) How much kinetic energy that is the box that comes and touches the ground?
Wednesday, January 6, 2010
The Floor Store (a) How Much Work Is Done In Raising A 50 Kg Crate A Distance Of 1.5 M Above A Store Room Floor?
1 comment:
(a) W = mgh = 50 * 9.8 * 1.5 = 735 J
(b) delta Ep = 735 J
(c) Cr = 735 J
Doug
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