Question
The dog sled will experience positive acceleration if:
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1 point
Captionless Image
they add bags to the sled.
they add a dog to the sled.
they add a person to the sled.
all of the above
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1 point
Captionless Image
they add bags to the sled.
they add a dog to the sled.
they add a person to the sled.
all of the above
Answers
Answer
How does a spacecraft leave the surface of the Earth?
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1 point
The spacecraft produced an upward force of thrust that was equal to the downward force of gravity.
The spacecraft produced an upward force of thrust that was greater than the downward force of gravity.
The spacecraft produced a downward force of thrust that was equal to the downward force of gravity.
The spacecraft produced a downward force of thrust that was less than the downward force of gravity.
*
1 point
The spacecraft produced an upward force of thrust that was equal to the downward force of gravity.
The spacecraft produced an upward force of thrust that was greater than the downward force of gravity.
The spacecraft produced a downward force of thrust that was equal to the downward force of gravity.
The spacecraft produced a downward force of thrust that was less than the downward force of gravity.
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