If a net force acts on an object the object will change speed, direction or shape

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic