Two charged spheres exert a force of 5.54 × 10-4 N on each other. If one of the spheres has a charge of 3.72 × 10-9 C and the other sphere has a charge of 4.32 × 10-6 C, how far apart are the charged spheres?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

Coal contains energy. a. light b. kinetic c. chemical d. mechanical