The pressure of Earth's atmosphere at sea level is approximately 1000 millibars, and it decreases by a factor of 2 every 7 km as you go up in altitude. a. If you live at an elevation of 1 km (roughtly 3300 ft), what is the atmospheric pressure? b. What is the atmospheric pressure at the top of a mountain that is 7775 meters? c. By approximately what percentage does atmospheric pressure decrease every kilometer?

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

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

What is a carrier wave and how does it affect what you hear on the radio