In both a dry cell and a wet cell battery, what causes the production of an electrical current. a. chemical reaction

b. a step down substation transformer

c. magnets

d. generators at a power plant

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Could we see a galaxy that is 20 billion light-years away?

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.