A string 1.30 meters in length is oscillating in its first harmonic. The frequency of oscillation is 7.80 Hz. What is the wavelength of the first harmonic?

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

What is the single most important equation in all of physics?

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.