The charges on two metallic balls are 5.0 and 7.0 coulombs respectively. they are kept 1.2 meters apart. what is the force of interaction between the two?

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)

If a star is moving toward earth, it is

Macy always thought there were only a few hair colors blonde brown and black however when she actually began looking around she saw varying shades of these hair color what is a possible reason for so many different hair colors