Richard walks along the perimeter of a 350m×110m park at an average speed of 2m/s. If he starts walking from one corner
Posted: Mon Jul 18, 2022 5:54 am
Richard walks along the perimeter of a 350m×110m park at anaverage speed of 2m/s. If he starts walking from one corner of thepark, what will be the magnitude of his average velocity after 690seconds?