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- Thermodynamic process The Sun supplies electromagnetic energy to Earth. It appears to have an effective temperature of approximately 5,800 K. On a clear summer day in North America, the incident energy on a surface facing the Sun is approximately 0.95 kW / m2. Electromagnetic solar energy can be converted into thermal energy by being absorbed by a darkened surface. How could you characterize the work potential of solar energy when it is to be used to produce work?aring Jessie and Jaime complete a 9.0km race. Each has a mass of 68 kg Jessie runs the race at 15 km/h: Jaime walks it at 50 km/h. Use the table below Activity Typing Ballroom dancing Walking at 5 km/h Cycling at 15 km/h Swimming at a fast crawl Running at 15 km/h Metabolic power (W) of 68kgindividual 125 250 380 480 800 1150 Part A How much metabolic energy does Jessie use to complete the course? Express your answer with the appropriate units. E Value 4 Units Submit Previous Answers Request Answer X Incorrect: Try Again: 3 attempts remaining Pearson ?Constants I Periodic Table The 37 kg wheel of an airplane flying at 248 m/s at an altitude of 7400 m falls off during a flight Part A If the wheel hits the ground at 382 m/s , how much work was done on the wheel by air resistance (drag) during its fall? Express your answer to two significant figures and include the appropriate units. ? HA Value Units W = Submit Request Answer Part B If there had been no drag, what would have been the wheel's speed when it hit the ground? Express your answer to two significant figures and include the appropriate units. ? Value Units V = Request Answer Submit