On a cold winter day, the outside temperature is -20C and the inside temperature is maintained at 20C. There is a net heat flow to the outside through the walls, roof, etc., of 25 kW.
What is the rate of increase of the entropy of the universe as a result of this? A) 13 W/K
B) 25 W/K
C) 85 W/K
D) 99 W/K
E) 0 W/K
Question 2
A mass is attached to a spring. It oscillates at a frequency of 4.0 Hz when displaced a distance of 2.0 cm from equilibrium and released. What is the maximum velocity attained by the mass?
A) 0.08 m/s
B) 0.32 m/s
C) 0.02 m/s
D) 0.40 m/s
E) 0.50 m/s
Tropical savanna and grazers in Kenya. The tropical savanna landscape is partially maintained by per
Suzuki Harunobu, Two Courtesans, Inside and Outside the Display Window, Japanese.
Opioid Combination Drugs for Severe Cold Symptoms
Homeostasis is analogous to regulation of temperature via a thermostat.
A thermostat stuck in the open position caused the engine to operate too cold. The vehicle failed ...
Pacific Decadal Oscillation: Temperature in degree Celsius