a man drives his car 5 km east of his starting point then he travels 10 km south and reaches a point. from here he travels 15 km towards west and reaches another point .finally he travels 20 km towards north. find the net displacement of the man from where he started plz answer tell the suitable scale

How are calculation for velocity and speed different

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?