Homework Statement
A typical nuclear fission power plant produces
about 3.36 GW of electrical power. Assume
that the plant has an overall efficiency of
44.6% and that each fission event produces
250 MeV of thermal energy.
Calculate the mass of 235U consumed each
day.
Answer in units...
The distance between an object and its upright image is 15.5 cm. If the magnification is 0.7, what is the focal length of the lens being used to form the image?
Answer in units of cm.
So I tried combining the equations p+q=15.5 and -q/p=.7 and still was unable to come up with a correct...