Which type of material is good at transferring heat? O A. A thermal conductor, such as copper
O B. A thermal conductor, such as helium
O C. A thermal insulator, such as helium
O D. A thermal insulator, such as copper

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear