Answer: 2 hr 45 min
Explanation:
Given
The average speed between San Diego and Los Angeles is 
time taken for this trip is 
Distance between San Diego and Los Angeles is

For Friday afternoon, the average speed is 
time taken to complete the trip is
Answer: When the temperature of an object increases, the average kinetic energy of its particles increases. When the average kinetic energy of its particles increases, the object's thermal energy increases. Therefore, the thermal energy of an object increases as its temperature increases.