Physics
Which of the following quantities is a vector?
Which of the following is an example of a scalar quantity and why?
If a vector of 5 N east is combined with a vector of 3 N north, what is the magnitude of the resultant vector?
Which of the following statements best describes displacement?
If a runner's velocity changes from 5 m/s east to 5 m/s west, what aspect of the velocity has changed?