Homework/Exam 1, PHYS 101Y (Instructor: Igor Shovkovy)
Name___________________________________
TRUE/FALSE.
Write 'T' if the statement is true and 'F' if the statement is false.
1)
Kepler's third law allows us to find the average distance to a planet from observing its period of
rotation on its axis.
1)
Answer:
True
False
MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or answers the question.
2)
In an annular eclipse
2)
A)
the Sun appears as a thin, bright ring.
B)
the Sun is partially blocked by the Earth.
C)
The Moon is totally blocked by the Earth.
D)
the Sun is totally blocked by the Moon.
E)
The Moon appears as a thin, bright ring.
Answer:
A
TRUE/FALSE.
Write 'T' if the statement is true and 'F' if the statement is false.
3)
Galileo's observations of the phases of Venus supported Ptolemy's epicycles.
3)
4)
According to Newton's first law
an object traveling in a circle does not have a force acting on it.
4)
MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or answers the question.
5)
Kepler's first law worked, where Copernicus' original heliocentric model failed, because Kepler
described the orbits as
5)
6)
If you are in the Moon's umbral shadow, then you will witness
6)
TRUE/FALSE.
Write 'T' if the statement is true and 'F' if the statement is false.
7)
Among Galileo's discoveries with his telescope were sunspots.
7)
1
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Homework/Exam 1, PHYS 101Y (Instructor: Igor Shovkovy)
Name___________________________________
MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or answers the question.
8)
The conditions needed to produce a solar eclipse are a
8)
TRUE/FALSE.
Write 'T' if the statement is true and 'F' if the statement is false.
9)
Compared to when it was on the surface, a satellite in an orbit about 4 times the earth's radius will
experience about 1/16
the force due to
gravity.
9)
Answer:
True
False
MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or answers the question.
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 Spring '08
 Shovkovy
 Work, Igor Shovkovy

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