Question

use the following information to answer the next question.
the international space station (iss) orbits earth at an altitude of 390 km and completes one orbit every 92 minutes.

wr3. calculate the speed of the space station in its orbit. (3 marks) show all work and give the answer in significant digits.

Explanation:

Identify given parameters

Using the Orbital Mechanics and Uniform Motion knowledge points

$$
LATEXBLOCK0
$$

Calculate the orbital radius

Using the Orbital Mechanics knowledge point

$$
LATEXBLOCK1
$$

Calculate the orbital speed

Using the Uniform Motion knowledge point

$$
LATEXBLOCK2
$$

Answer:

\(7.7 \times 10^3\text{ m/s}\) (or \(7.7\text{ km/s}\))