First Deck

Question 1

What is the altitude for geostationary orbit (Geo)?

Answer 1

35,686 km

Question 2

What is the velocity for geostationary orbit (GEO)?

Answer 2

3.1 km/s

Question 3

What is the radius of the Earth?

Answer 3

6,378 km

Question 4

What is the altitude range for low earth orbit (LEO)?

Answer 4

200 - 2,000 km

Question 5

What is the velocity range for low earth orbit (LEO)?

Answer 5

6.9-7.8 km/s

Question 6

What is the altitude for ISS?

Answer 6

400 km

Question 7

What is escape velocity from Earth’s surface?

Answer 7

11.186 km/s

Question 8

What is the altitude and inclination for GPS satellites?

Answer 8

20,182 km, i = 55 degrees

Question 9

What is the altitude of Hubble?

Answer 9

600 km

Question 10

How much mass can Falcon 9 block 5 launch to LEO?

Answer 10

22,800 kg

Question 11

What is the rocket equation?

Answer 11

delta_v = v_e * ln(m_0 / m_f) = I_sp * g_0 *ln(m_0 / m_f)

v_e = effective exhaust velocity
m_0 = wet mass
m_f = dry mass
g_0 = 9.8 m/s^2 (32 ft/s^2)

Question 12

What altitude and latitude is the inner Van Allen belt?

Answer 12

1,000 - 6,000 km, +/- 40 degrees lattitude

Question 13

What altitude is the moon?

Answer 13

384,400 km

Question 14

At what altitude does atmospheric drag start to matter?

Answer 14

~500 km

Question 15

What altitude is the outer Van Allen belt?

Answer 15

18,000 - 60,000 km

Question 16

What is the Transport Theorem?

Answer 16

Nd/dt (r) = Bd/dt (r) + w(B/N) x r

Question 17

What is the Power equation (physics)?

Answer 17

dT/dt = F * r_dot = m * r_ddot * r_dot

Question 18

What is the kinetic energy equation?

Answer 18

K = 1/2 * m * v^2

Question 19

What is Newton’s third law?

Answer 19

F_12 = - F_21

Question 20

What is Newton’s second law?

Answer 20

F = ma

Question 21

What is the equation for linear momentum?

Answer 21

p = m*r_dot

Question 22

What is the equation for angular momentum?

Answer 22

H = sigma x m*sigma_dot
about point p where
sigma = r - r_p

Question 23

What is the equation for modified Rodrigues parameters?

Answer 23

sigma_i = Beta_i / (1 + Beta_0)

Question 24

What altitude and inclination is Starlink?

Answer 24

550 km, i = 53 degrees

Question 25

What is the equation for classical Rodrigues parameters?

Answer 25

q = Beta_i / Beta_0

Question 26

When do classical Rodrigues parameters go singular?

Answer 26

Phi = +/- 180 degrees

Question 27

What is the equation for quaternions?

Answer 27

Beta+0 = cos(Phi / 2)
Beta_i = e_i * sin(Phi / 2)
Sum(B_i^2) = 1

Question 28

When do symmetric (3-1-3) Euler angles go singular?

Answer 28

inclination (2nd angle) +/- 180 degrees

Question 29

When do asymmetric (3-2-1) Euler angles go singular?

Answer 29

pitch (2nd angle) +/- 90 degrees

Question 30

What fraction of Earth’s gravity is the moon’s?

Answer 30

0.16

Question 31

How long is an average lunar day?

Answer 31

29.5 earth days

Question 32

What are the high and low daily temperatures on the moon’s surface?

Answer 32

127 C, -173 C
-185 C in the permanently shadowed regions

Question 33

What are the four layers of the TCP/IP network model?

Answer 33

4. Application Layer
5. Transport Layer
6. Internet Layer
7. Network Access Layer (data link layer)

Question 34

What is the Network Access layer of the TCP/IP network model?

Answer 34

Physical and technical infrastructure

Question 35

What is the Internet layer of the TCP/IP network model?

Answer 35

Controls the flow and routing of traffic & reassembles the packet at its destination

Question 36

What is the Transport layer of the TCP/IP network model?

Answer 36

Provides a reliable data connection between two communicating devices

Question 37

What is the Application Access layer of the TCP/IP network model?

Answer 37

Group of applications that let the user access the network (email, messaging apps, etc.). What the user interacts with

Question 38

What does TCP/IP stand for?

Answer 38

Transmission Control Protocol/Internet Protocol

Question 39

What is effective velocity?

Answer 39

The velocity of an exhaust stream after reduction by effects such as friction, non-axial flow, & pressure differences