A runner completes two laps around a 400 m track. She runs the first lap in 1 min and 32 s, and the second lap in 1 min and 49 s. What is her average speed? A. 4.0 m/s
B.2.0 m/s
C. 1.0 m/s
D. 0.0 m/s​

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

Which governments provide garbage collection services to homes and businesses