Homework Help: physics

Posted by kelly on Monday, November 26, 2012 at 6:17pm.

a 1100 kg wrecking ball hangs from a16m long cable. the ball is pulled back until the cable makes an angle of 17 with the vertical. By how much has the gravitational potential energy of the ball changed?

physics - bobpursley, Monday, November 26, 2012 at 6:59pm
height change=17-17cos17deg

PE=mg*heightchange

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