When calculating the net electrostatic force, a negative value indicates that the two charged objects involved
a. have like charges
b. have unlike charges
c. have the exact same value
d. both experience a force to the left

If a clock aboard a space ship traveling at 0.900 c of the speed of light relative to earth chimes once at the beginning of the hour and again when it reads one hour later, how much time would an observer on earth say elapsed between the two chimes?

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

How are calculation for velocity and speed different