What is the net force and acceleration of a ball of mass 0.750 kilograms that is subjected to forces of 11.00 newtons and 7.00 newtons from opposite directions?

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

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

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