The diagram below plots the wavelength and relative brightness of stars at different temperatures.

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?