The Intensity of the radiation incident at the earth from the sun is 1380Wm^-2. If the distance from the Sun to the earth is 1.5x10^11m calculate the total power radiated by the Sun. b. In a solar panel 500g of water flow through the pipes in 1 minute. If the temperature the temperature is raised by 20°C how much solar power was absorbed by the water? c. There are plans to build a lot of wind turbines in the sea. Give two advantages of building turbines in the sea compared to land. d. The power in a length of water wave is 1MW. Calculate the power in the wave if the amplitude doubles.

The Intensity of the radiation incident at the earth from the sun is 1380Wm^-2. If the distance from the Sun to the earth is 1.5x10^11m calculate the total power radiated by the Sun. b. In a solar panel 500g of water flow through the pipes in 1 minute. If the temperature the temperature is raised by 20°C how much solar power was absorbed by the water? c. There are plans to build a lot of wind turbines in the sea. Give two advantages of building turbines in the sea compared to land. d. The power in a length of water wave is 1MW. Calculate the power in the wave if the amplitude doubles.

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