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Massive Astronomy Exam 2 Study Set With Complete answers_100- sure_.pdf
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8/22/24, 3:30 PMMassive Astronomy Exam 2 Study Set
Jeremiah
Practice questions for this set
Learn 1 /7 Study with Learn
The elevator moves downward while slowing in speed.
Choose matching term
Which person is weightless?
A child in the air as she plays on a trampoline.
1
A scuba diver exploring a deep-sea wreck.
An astronaut on the Moon.
If you actually performed and compared the two trials chosen in Part C, you would find that, while
the basketball and marble would hit the ground at almost the same time, it would not quite be exact:
The basketball would take slightly longer to fall to the ground than the marble. Why?
Because air resistance has a greater effect on the larger ball.
2
Because air resistance has a greater effect on the smaller ball.
Because gravity has a greater effect on the larger ball.
Because gravity has a greater effect on the smaller ball.
Massive Astronomy Exam 2 Study Set
1/20
,8/22/24, 3:30 PM
In Part A, you found that your weight will be greater than normal when the elevator is moving upward
with increasing speed. For which of the following other motions would your weight also be greater
than your normal weight?
The elevator moves upward with constant velocity.
3 The elevator moves upward while slowing in speed.
The elevator moves downward with constant velocity.
The elevator moves downward while increasing in speed.
The elevator moves downward while slowing in speed.
4 Speed definition
Don't know?
Terms in this set (273)
Which person is weightless? A child in the air as she plays on a trampoline.
A child in the air as she plays on a
trampoline.
A scuba diver exploring a deep-sea wreck.
An astronaut on the Moon.
Suppose you are in an elevator. As the greater than your normal weight at rest
elevator starts upward, its speed will
increase. During this time when the elevator
is moving upward with increasing speed,
your weight will be:
less than your normal weight at rest
greater than your normal weight at rest
equal to your normal weight at rest
Suppose you are in an elevator that is
moving upward. As the elevator nears the
floor at which you will get off, its speed
slows down. During this time when the
elevator is moving upward with decreasing
speed, your weight will be:
less than your normal weight at rest
greater than your normal weight at rest
equal to your normal weight at rest
Massive Astronomy Exam 2 Study Set
2/20
, 8/22/24, 3:30 PM
In Part A, you found that your weight will be The elevator moves downward while slowing in speed.
greater than normal when the elevator is
moving upward with increasing speed. For
which of the following other motions would
your weight also be greater than your
normal weight?
The elevator moves upward with constant
velocity.
The elevator moves upward while slowing in
speed.
The elevator moves downward with constant
velocity.
The elevator moves downward while
increasing in speed.
The elevator moves downward while slowing
in speed.
When you are standing on a scale in an the force you exert on the scale
elevator, what exactly does the scale
measure?
your mass
the force you exert on the scale
the gravitational force exerted on you by
Earth
Suppose you are in an elevator car when the You float weightlessly within the elevator car because you and the elevator both begin
elevator cable breaks. Which of the to accelerate downward at the same rate.
following correctly describes what happens
and why.
You will crash you head into the elevator car
ceiling because Earth's gravity will be pulling
the car down faster than it pulls you down.
You float weightlessly within the elevator car
because you and the elevator both begin to
accelerate downward at the same rate.
You will remain stuck to the elevator floor as
you and the elevator plunge downward
toward a horrific crash.
You will crash you head into the elevator car
ceiling because the car will be falling rapidly
away from you.
You float weightlessly within the elevator car
because Earth's gravity is no longer tugging
onMassive
you. Astronomy Exam 2 Study Set
3/20
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