3. Two metal spheres are mounted on Insulating stands. Sphere X is initially uncharged and sphere Y is initially positively charged.
A motal road, held by an insulating handle, is placed in contact with X and Y as shown.
Insulating handle

What are the charges on X and Y after the rod is placed in contact with them?
Charge on X Charge on Y
A
positive
positive
B
positive
uncharged
C
uncharged
positive
D
uncharged
uncharged

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.

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is