Assuming the charge q is distributed uniformly in the "shell" (between r = r1 and r = r0), determine the electric field as a function of r for 0 < r < r1. express your answer in terms of some or all of the variables q, r, r0, r1, and appropriate constants.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

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.