Point charges of 5uc and 3uc are placed 0.25 m apart. where can a third charge be placed so that the net force on it zero

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.