Which of the following is true? a)speed is velocity w a vector b)speed is a scalar w direction c)speed is velocity w direction d)velocity is speed w a direction

Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear

Which of the following best describes the circuit shown below?

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force