Slide 1

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Gravity, Force and Space
Quiz
A geosynchronous satellite orbits the earth
A.
B.
C.
D.
once every 90 minutes
once every 6 hours
once every 24 hours
once every month
Answer: C
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Gravity, Force and Space
Quiz
The altitude of a geosynchronous satellite is closest to:
A.
B.
C.
D.
200 miles
24, 000 miles
2,000,000 miles
93,000,000 miles
Answer: B
2
Gravity, Force and Space
Quiz
If an artificial satellite orbited the Earth at 240,000 miles (the
distance too the moon), it would orbit the earth in a period of
A.
B.
C.
D.
90 minutes
1 day
1 week
1 month
Answer: D
3
Gravity, Force and Space
Quiz
Balloons rise until:
A.
B.
C.
D.
the surrounding air becomes too dense
the surrounding air becomes too thin (not dense)
the surrounding air becomes too cold
they reach space
Answer: B
4
Gravity, Force and Space
Quiz
Ice-skaters spin faster by pulling in their arms. This illustrates
that
A.
B.
C.
D.
momentum is conserved
angular momentum is conserved
energy is conserved
angular energy is conserved
Answer: B
5
Gravity, Force and Space
Quiz
When an astronaut in space sneezes, his head is snapped back
with higher velocity than on earth, because:
A.
B.
C.
D.
momentum is conserved
his head is massless
there is no air in space
wrong! His head is not snapped back with a higher velocity
Answer: D
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Gravity, Force and Space
Quiz
If Dr. Mike was accelerated during crash by 10g and hit his head
on a window, this would be the equivalent of a ____________
sitting on his head.
A.
B.
C.
D.
the largest elephant on record
the maximum payload of a 1 ton truck
a one year old St. Bernard
a jar of jelly beans
Answer: B
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Gravity, Force and Space
Quiz
Miso the Miracle Dog is chasing his tail. He is moving with a
speed of 3 miles per hour and the radius of the circle he makes
is about 1 foot. What is his acceleration? (There are 5280 feet
in a mile)
A.
B.
C.
D.
47,520 miles per hour2
0.0017 miles per hour2
15,840 miles per hour2
1760 miles per hour2
Answer: A
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