7. Solar energy reaches the earth at the rate of about 1.4 kW per square meter of surface perpendicular to the direction of the sun (Figure below). By how much does the mass of the sun decrease per second owing to this energy loss? The mean radius of the earth's orbit is 1.5x 10¹¹ m.
7. Solar energy reaches the earth at the rate of about 1.4 kW per square meter of surface perpendicular to the direction of the sun (Figure below). By how much does the mass of the sun decrease per second owing to this energy loss? The mean radius of the earth's orbit is 1.5x 10¹¹ m.
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Transcribed Image Text:7. Solar energy reaches the earth at the rate of about 1.4 kW per square meter of
surface perpendicular to the direction of the sun (Figure below). By how much
does the mass of the sun decrease per second owing to this energy loss? The mean
radius of the earth's orbit is 1.5x 10¹¹ m.
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