PHY 250 Graded Exam 4dr: Which of the following best describes the relationship between two systems

Which of the following best describes the relationship between two systems in thermal equilibrium? Select one: a. Both have the same amount of heat. b. The volumes are equal. c. The masses are equal. d. Both systems have zero velocity. e. None of these When the sound level β of a sound increases by 10 dB, the average person perceives the sound to have gotten twice as loud. Suppose that the ticking of your clock sounds one-sixteenth as loud as the alarm when it goes off. What is the ratio of the intensity of the ticking to the intensity of the alarm? Select one: a. 40 b. 4000 c. d. A tire is inflated to a gauge pressure of 2.0 atm. As the car is driven the temperature of the tire increases from 20 C to 45 C, and simultaneously the volume of the tire increases by 5%. What is the gauge pressure of the tire at the higher temperature? Select one: a. 1.9 atm b. 2.1 atm c. 2.3 atm d. 2.5 atm