Homework Help: college physics

Posted by Bethany on Wednesday, June 22, 2011 at 5:22pm.

A 1100 kg wrecking ball hangs from a 14m-long cable. The ball is pulled back until the cable makes an angle of 17.0 degrees with the vertical.By how much has the gravitational potential energy of the ball changed?

college physics - bobpursley, Wednesday, June 22, 2011 at 5:42pm
Use geometry to find out how much height it went. In my head, I see

height= 14cos17

check that

PE= mgh

Answer this Question

Related Questions

physics - a 1100 kg wrecking ball hangs from a16m long cable. the ball is pulled...
college physics - A 1500 wrecking ball hangs from a 16 -long cable. The ball is ...
Physics - A 1200 wrecking ball hangs from a 20 -long cable. The ball is pulled ...
physics - A 6840 N wrecking ball hangs from the end of a steel cable. What is ...
physics - a 10kg wood ball hangs from a 1.1 m long wire. The maximum tension the...
Physics - A ball weighing 50N is pulled back by a rope to an angle of 20 degrees...
physics - A wrecking ball is hanging at rest from a crane when suddenly the ...
Physics - 1. A ball is projected horizontally from the edge of a table that is 4...
physics - A wrecking ball is hanging at rest from a crane when suddenly the ...
College Physics - A ball of mass 620 g hangs from a spring whose stiffness is ...

For Further Reading

First Name:
School Subject:
Answer: