Planetary orbits
A) are evenly spaced throughout the solar system.
B) are highly inclined to the ecliptic.
C) are almost circular, with low eccentricities.
D) have the Sun at their exact center.
E) are spaced more closely together as they get further from the Sun.
C
You might also like to view...
At what frequency should a 200-turn, flat coil of cross sectional area of 300 cm2 be rotated in a uniform 30-mT magnetic field to have a maximum value of the induced emf equal to 8.0 V?
A. 7.5 Hz B. 7.1 Hz C. 8.0 Hz D. 8.4 Hz E. 16 Hz
If a galaxy has a radial velocity of 8000 km/s and the Hubble constant is 70 km/s/Mpc, what is the distance to this galaxy?
a. 8.75 × 10^3 Mpc b. 2.4 × 10^9 Mpc c. 5.6 × 10^5 Mpc d. 114 Mpc e. 8.75 × 10^-3 Mpc
If the magnetic field in an EM wave is in the x-direction and the electric field in the wave is in the y-direction, the wave is traveling in the
A) x-y plane. B) direction halfway between the x- and y-directions. C) z-direction. D) x-direction. E) negative z-direction.
Two charges that are separated by one meter exert 1-N forces on each other. If the charges are pushed together so the separation is 25 centimeters, the force on each charge will be
A) 1 N. B) 2 N. C) 4 N. D) 8 N. E) 16 N.