Two different blocks of metal are shown in the figure above. The copper block was heated from the temperature of 20°C to 120J°C, then brought in contact with the aluminum block. After some time, both metal blocks are measured at an equal temperature of 50°C. Based on the principle of calorimetry, find the number of calories transferred from the copper block to the aluminum block. 1 Calorie = 4.2J Heat capacity of Copper = 0.385 kJ°C-1

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.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

From the perspective of an employee that effective channeling of work related information and concerns