First Deck Flashcards

(39 cards)

1
Q

What is the altitude for geostationary orbit (Geo)?

A

35,686 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the velocity for geostationary orbit (GEO)?

A

3.1 km/s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the radius of the Earth?

A

6,378 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

200 - 2,000 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

6.9-7.8 km/s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the altitude for ISS?

A

400 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is escape velocity from Earth’s surface?

A

11.186 km/s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the altitude and inclination for GPS satellites?

A

20,182 km, i = 55 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the altitude of Hubble?

A

600 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

22,800 kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the rocket equation?

A

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)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What altitude and latitude is the inner Van Allen belt?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What altitude is the moon?

A

384,400 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

At what altitude does atmospheric drag start to matter?

A

~500 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What altitude is the outer Van Allen belt?

A

18,000 - 60,000 km

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the Transport Theorem?

A

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

17
Q

What is the Power equation (physics)?

A

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

18
Q

What is the kinetic energy equation?

A

K = 1/2 * m * v^2

19
Q

What is Newton’s third law?

A

F_12 = - F_21

20
Q

What is Newton’s second law?

21
Q

What is the equation for linear momentum?

22
Q

What is the equation for angular momentum?

A

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

23
Q

What is the equation for modified Rodrigues parameters?

A

sigma_i = Beta_i / (1 + Beta_0)

24
Q

What altitude and inclination is Starlink?

A

550 km, i = 53 degrees

25
What is the equation for classical Rodrigues parameters?
q = Beta_i / Beta_0
26
When do classical Rodrigues parameters go singular?
Phi = +/- 180 degrees
27
What is the equation for quaternions?
Beta+0 = cos(Phi / 2) Beta_i = e_i * sin(Phi / 2) Sum(B_i^2) = 1
28
When do symmetric (3-1-3) Euler angles go singular?
inclination (2nd angle) +/- 180 degrees
29
When do asymmetric (3-2-1) Euler angles go singular?
pitch (2nd angle) +/- 90 degrees
30
What fraction of Earth’s gravity is the moon’s?
0.16
31
How long is an average lunar day?
29.5 earth days
32
What are the high and low daily temperatures on the moon’s surface?
127 C, -173 C -185 C in the permanently shadowed regions
33
What are the four layers of the TCP/IP network model?
4. Application Layer 3. Transport Layer 2. Internet Layer 1. Network Access Layer (data link layer)
34
What is the Network Access layer of the TCP/IP network model?
Physical and technical infrastructure
35
What is the Internet layer of the TCP/IP network model?
Controls the flow and routing of traffic & reassembles the packet at its destination
36
What is the Transport layer of the TCP/IP network model?
Provides a reliable data connection between two communicating devices
37
What is the Application Access layer of the TCP/IP network model?
Group of applications that let the user access the network (email, messaging apps, etc.). What the user interacts with
38
What does TCP/IP stand for?
Transmission Control Protocol/Internet Protocol
39
What is effective velocity?
The velocity of an exhaust stream after reduction by effects such as friction, non-axial flow, & pressure differences