Radiation pressure: The total electromagnetic power emitted by the sun is 3.8 × 10²⁶ W. What is the radiation pressure on a totally absorbing satellite at the orbit of Mercury, which has an orbital radius of 5.8 × 10¹⁰ m? (c = 3.00 × 10⁸ m/s, μ₀ = 4π × 10^-7 T ∙ m/A, ε₀ = 8.85 × 10^-12 C²/N ∙ m²) A) 30 µPa B) 0.30 µPa C) 0.030 µPa D) 300 µPa E) 3.0 µPa

Question

Quizplus · Accepted Answer

The radiation pressure is given by P = (1/c) * (E/A), where E is the total electromagnetic power emitted by the sun and A is the area of the satellite. The area of the satellite is given by A = 4πr^2, where r is the orbital radius of the satellite. Substituting these values into the equation for radiation pressure, we get:P = (1/c) * (E/4πr^2)= (1/3.00 × 10^8 m/s) * (3.8 × 10^26 W/4π(5.8 × 10^10 m)^2)= 30 µPa

Radiation Pressure: the Total Electromagnetic Power Emitted by the Sun