Arotating merry-go-round makes one complete revolution in 3.0 s . assume the wheel is moving with a constant angular velocity

Taylor's experiment: 1. accurately measured the speed of light 2. locked together the phases of two light sources so that the interference pattern would not shift 3. showed that man's reaction time was much slower than the speed of light 4. showed that individual photons have wave characteristics

Which statement best describes how private industry decides where to spend the money on research and development

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage