URGENT HELP NEEDED 40 POINTS Two forces act on a 27 kg mass to give it an acceleration of 29 m/s2 in the positive x
direction. If one of the forces acts in the negative y direction with a magnitude of 570 N, what is the magnitude of the second force?
Answer in units of N.

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.

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.