Two spheres each have a charge of -0.0025 C and are separated by a distance of 8.00 m. What is the electrical force between them?

A. 949 N
B. 669. N
C. 879 N
D. 769 N

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3