The intensity of solar radiation near the earth is 1.4 × 103 W/m2. What force is exerted by solar radiation impinging normally on a 5.0 m2 perfectly reflecting panel of an artificial satellite orbiting the earth?
A)
1.4 × 104 N
B)
9.4 × 10-5 N
C)
1.4 × 10-4 N
D)
2.3 × 10-5 N
E)
4.7 × 10-5 N
E
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