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UF Astronomy s2w6 Review - section 1: math and process questions

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Last updated 6 months ago
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Question 1
1.

Question 2
2.

Question 3
3.

How many significant figures does the following addition problem have? 13.4+2.54

Question 4
4.

How many significant figures does answer to the following multiplication problem have? 13.2 x 3.2

Question 5
5.

Which of the following would be a good way to convert the gravitational constant G to different units?

Question 6
6.

1 AU is the same as

Question 7
7.

Three problems - Draw the following vectors on a sheet of paper, and add them. take a picture of the work and upload it here. problem 1 Draw a coordinate system and draw vector A from the origin to point (4,3), and Vector B from the origin to (2,5). Then then draw vector A+B Problem 2: draw one vector in the x direction with magnitude 3 and one vector in the y direction with magnitude 4. Then add those two vectors. Problem 3. draw a vector in the x direction with magnitude 5, and another vector in the x direction with magnitude -8. Add the two vectors Honors: Draw a vector of magnitude 8 at 20° from the x direction. Decompose this vector, and show the magnitude of its x and y components.

Question 8
8.

If a planet has a force of gravity of 3.24 x 10^22 N from the sun, and a force of 1.00 x 10^22 from a nearby massive planet that is farther from the sun than that planet, what is the net force on the planet?

Question 9
9.

Question 10
10.

Question 11
11.

What was the purpose of constellations?

Question 12
12.

Why are some constellation in the zodiac, and others aren't

Question 13
13.

Why do stars never exhibit retrograde motion?

Question 14
14.

explain how stellar parallax argued against heliocentrism

Question 15
15.

Copernicus' calculations using heliocentrism still didn't predict where planets would be in their orbits compared to the geocentric models. What did he still not know that would have made a difference?

Question 16
16.

according to Kepler's second law,

Question 17
17.

Question 18
18.

The farther a planet is from the sun, the orbital speed is

Question 19
19.

Question 20
20.

define ecliptic

Question 21
21.

define horizon

Question 22
22.

define tidal braking

Question 23
23.

define synchronous orbit

Question 24
24.

explain why even though the explanation of tidal forces is the moon pulling on the near side of the earth more than the center and far side of the earth is accurate, the actual tides are caused less by that pulling, and more by squeezing from the sides.

Question 25
25.

A spring tide happens when?

Question 26
26.

A neap tide happens when?

Question 27
27.

honors or on level

Question 28
28.

Titan, the largest moon of Saturn, has a mean orbital radius of 1.22x10^9 m. The orbital period of Titan is 15.95 days. Hyperion, another moon of Saturn, orbits at a mean radius of 1.48x10^9 m. Use Kepler’s third law of planetary motion to predict the orbital period of Hyperion in days.

Question 29
29.

create a question that requires the use of Newton's law of universal gravitation

Question 30
30.

Using x=dcosθ and y=dsinθ, decompose both these vectors into their x and y components. Note that the 25° is NOT from the x axis (as in, you will have to do something with that)

Question 31
31.

Using Kepler's second law, explain why comets are slow far from the sun, and fast near the sun.

Question 32
32.

Using Kepler's third law, explain what would happen if something managed to slow down a planet's orbit

Question 33
33.

How do you depict a negative vector?

For which of the following examples would you count the zeros as a significant figure?
0.0003
0.352
1.304
1.340
13,400
1004
100.0
How many significant figures does each number have?
1
2
3
4
0.023
0.203
1,230
104.0
1,040
1.004
1000
Greater than/ less than question: Order these numbers from least (1) to greatest (4)
1
2
3
4
3.4 x 10^8
3.2 x 10^4
3,245,132
3.2 x 10^-9
Which of the following is not in scientific notation? check all that apply.
2.3 x 10^3
2.4 x 10^-4
0.24 x 10^3
24.0 x 10^15
3,243
2.3
the time it takes the earth to pass these sections are the same if the angles are the same
Which of the following is a relative measure and which of the following an absolute measure?
Absolute
relative
position of an object
distance between two objects
angular distance
angular diameter
linear distance
linear diameter
velocity
The force of gravity between two objects relies on which of the following factors, check all that apply
the mass of the larger object
the volume of the larger object
the density of the larger object
what the two objects are made from
the mass of the smaller object
the volume of the smaller object
the speed of the two objects in relation to each other
the distance between the two objects
the acceleration of the two objects