the paths of the planets are ellipses, with the Sun at one focus.
physics UAE- Gravitation

Quiz
•
Physics
•
9th Grade - University
•
Medium

Taher Alismael
Used 8+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kepler’s 1st law
Kepler’s 2nd law
Kepler’s 3rd law
Newton Law of Gravity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
an imaginary line from the Sun to a planet sweeps out equal areas in equal time intervals
Kepler’s first law
Kepler’s 2nd law
Kepler’s 3rd law
Newton law
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The square of the ratio of the period of planet A to the period of planet B is equal to the cube of the ratio of the distance between the centers of planet A and the Sun to the distance between the centers of planet B and the Sun
Kepler’s first law
Kepler’s 2nd law
Kepler’s 3rdlaw
Newton law
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kepler’s third law
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
solve the problem: ( in 3 min)
the orbital radii of Jupiter’s moons using the diameter of Jupiter as a unit of measure. He found that Io, the closest moon to Jupiter, has a period of 1.8 days and is 4.2 units from the center of Jupiter. Callisto, the fourth moon from Jupiter, has a period of 16.7 days. Using the same units that Galileo used, predict Callisto’s distance from Jupiter?
Tc =16.7 days Ti =1.8 days rc =4.2 units ri =?
19 units
190 units
90 units
1900 units
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Satellite; A geosynchronous satellite is one that appears to remain over one spot on Earth, as shown in Figure . Assume that a geosynchronous satellite has an orbital radius of 4.23"107 m. Calculate its speed in orbit.
Earth radius =(6.38x106 m) , Earth mass=(5.97x1024 kg)
3.07x103 m/s
9424900 m/s
0.47 m/s
0.22 m/s
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satellite; A geosynchronous satellite is one that appears to remain over one spot on Earth, as shown in Figure . Assume that a geosynchronous satellite has an orbital radius of 4.23"107 m. Calculate its period in orbit.
Earth radius =(6.38x106 m) , Earth mass=(5.97x1024 kg)
1.2x109 s
8.66 x103 s
8.66x104 s
1.2x104 s
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