Astudent is testing her reaction time by trying to keep a light bulb on for exactly 4 seconds by matching a stopwatch. when she turns the light bulb off, the stopwatch reads 4.13 seconds. what is her reaction time?

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Which type of basaltic lava flow has a fairly smooth

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.