5. Neil walks to his school which is 1km east away from his house. He travels 0.5 km east before he realizes he forgot his backpack and then walks back home to get it. After picking up his bag he then heads back to school. What distance did he cover? What was his displacement?

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34