An ice cube is placed in a microwave oven.

suppose the oven delivers 125 w of power to the ice cube and that it takes 33200 j to melt it.

how long does it take for the ice cube to melt?

The unit of resistivity is the: ohm ohm-cm volt coulomb

Suppose two stars are located in region a of the h-r diagram shown in the figure below. star c appears much dimmer than star y as seen from earth. which star can be inferred to be nearer to earth and how do you know?

Which statements best describe medical uses for radioactive isotopes? check all that apply. radioactive isotopes are used to detect medical problems. high-energy gamma rays are injected into the body. radioactive isotopes are used to treat some diseases. radiation is used to kill cancer cells. radioactive isotopes are directed at tumors from outside the body.