Suppose we have two positively charged particles a distance of 4 m apart from each other. Particle 1 has a charge of 6 C and particle 2 has a charge of 1.3 x 10^3 C. What amount of
electrostatic force exists between these two particles?
4.35 x 10^12 N
1.75 x 10^13 N
6.5 x 10^2 N (aka 650 N)

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

In the first law of thermodynamics, triangle e=q-w, what does q stand for

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z