Avector has an x-component of length 3 and a y-component of length 4. what is the angle of the vector? (hint: use the inverse tangent.) a. 53.1 b. 48.6 c. 36.9 d. 76.0

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?