The diagram below shows the velocity vectors for two cars that are moving relative to each other.
25 m/s west
Car 1
20 m/s west
Car 2
From the frame of reference of car 2, what is the velocity
of car 1

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

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.

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius