How are parentheses used in chemical formulas?

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

Iupil u5l aluve time remaining 01: 53: 45 ei and both agreed that childhood experiences play an important role in the development of oneself a sigmund freud alfred adler b. carl jung alfred adler c.carl jung erik erikson d. sigmund freud.. carl jung select the best answer from the choices provided save and exit next submit mark this and return

Select all the correct answers. which three statements about electromagnetic radiation are true?