7th edition of Raymond Serway's Physics for Scientists and Engineers
Common errors include:
The "better" way to use a solution manual isn't to find the answer—it's to reverse-engineer the logic. Try the problem for 15 minutes. If you hit a wall, look at only the first two lines of the solution to get a hint on the starting formula, then close it and try to finish the rest yourself. serway physics 7th edition solutions better