Math 2260 HW #5
Due 10:10 AM Friday, February 8
Reading: Hass §6.5 & 7.2
Problems: Do the assignment “HW5” on WebWork. In addition, write up solutions to the
following problems and hand in your solutions in class on Friday.
1. Suppose a 15 foot chain is hanging from a winch 15 feet above the ground. The chain weighs
3 pounds per foot.
(a) How much work is required to wind up the entire chain?
(b) How much work is required to wind up the entire chain with a 100 pound load attached
to it?
2. Solve the differential equation
2xy − 3
1
dy
= 12x.
dx