What property of matter do we consider when deciding whether to buy a half-gallon of milk at the store versus a gallon of milk?

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2