%lisp
>(load "/projects/cs375/physics.lsp")
>(phys '(what is the area of a circle
with diameter = 10))
78.539816339744831
>(phys '(what is the circumference of a circle
with an area of 100))
35.449077018110316
>(phys '(what is the power of a lift with
mass = 100 and height = 6
and time = 10))
588.399