The force F is acting along DC. Using the triple product to determine the moment of F about the bar BA, you could use any of the following position vectors except . A) rBC B) rAD C) rAC D) rDB E) rBD

What are similarities and differences of reflection, refraction, diffraction and absorption?

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

How do we measure or think of speed in the united states?