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, ?0 = 4? × 10-7 T ? m/A, ?0 = 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


Answer: A

Physics & Space Science

You might also like to view...

Is it ever possible for the following process to occur?

? ? (e+) + (e-) + (e+) A) Yes, it is. B) No, this process does not conserve energy. C) No, this process does not conserve momentum. D) No, this process does not conserve mass. E) No, this process does not conserve electric charge.

Physics & Space Science

The magnitude of the Coriolis force varies according to two factors:

A) the velocity of the moving object and the pressure-gradient force. B) temperature and pressure. C) the velocity of the moving object and the degree of latitude. D) frictional force and pressure-gradient force.

Physics & Space Science

Which of the following is not a characteristic of the jovian planets?

A) They have higher average densities than the terrestrial planets. B) They have thick atmospheres. C) They are primarily made of hydrogen, helium, and hydrogen compounds. D) They are located further from the Sun than the terrestrial planets. E) They have rings.

Physics & Space Science

Suppose a uniform electric field of 4 N/C is in the positive x direction. When a charge is placed at and fixed to the origin, the resulting electric field on the x axis at x = 2 m becomes zero. What is the magnitude of the electric field at x = 4 m on the x axis at this time?

a. 0 b. 1 N/C c. 2 N/C d. 4 N/C e. More information is needed to find the resulting field magnitude at this position.

Physics & Space Science