Atrain travels at a velocuty of +50 m/s. it takes 8s to slow down to 5 m/s with constant acceleration. what was it's acceleration

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

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

Which is an example of an exothermic process?