11.

Determine the distance a satellite is from a planet if its orbit is elliptical with a eccentricity of 0.312 if it is /12 radians from apoapsis position. The semi-major axis of the orbit is "a".

1. 1.13a
2. 1.29a
3. 1.57a
4. 1.71a

12.

Which of the following orbits have a total energy of zero at each point along the trajectory? (Assume the standard F.O.R.)

1. Circular
2. Elliptical
3. Parabolic
4. Hyperbolic

13.

The periapsis distance for a particular elliptical orbit is 3.4 x 10⁸ m, while the apoapsis distance is 4.1 x 10⁸ m. Determine the eccentricity of the orbit.

1. 0.141
2. 0.812
3. 0.514
4. 0.093

14.

A satellite with a mass of 200 kg is placed in orbit above the Earth (mass = 5.98x10²⁴ kg, radius = 6.37x10⁶ m) at an altitude of 200 km. How long (in minutes) does it take to complete one orbit?

1. 79.9 minutes
2. 85.0 minutes
3. 87.1 minutes
4. 88.3 minutes

15.

A satellite whose mass is 1000 kg is orbiting the Earth at 100000 m from the surface. Determine the energy needed to change the orbit to a distance of 200000.

1. 5.8x10⁸ J
2. 5.0x10⁸ J
3. 2.9x10⁸ J
4. 9.2x10⁸ J