Oscillations, sound, and the laws of thermodynamics.
If you have the 3rd edition PDF, do not feel pressured to buy the 4th. The core physics (Newton’s laws, Maxwell’s equations, thermodynamics) has not changed. University Physics Harris Benson 3rd Edition Pdf
Go to AbeBooks , eBay , or Amazon Marketplace . You can often find the international edition (softcover) of the 3rd edition for $10–$20 USD . The international edition contains the exact same problems and text. Oscillations, sound, and the laws of thermodynamics
If you truly cannot afford Benson, the free University Physics (Volume 1-3) from OpenStax is an excellent modern alternative, though it lacks Benson’s unique problem style. University Physics Harris Benson 3rd Edition Pdf