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Teams
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Score
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trap
No points!
Oops!
×
gold
Win 50 points!
Okay!
×
gift
Win 20 points!
Okay!
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banana
Go to last place!
Oops!
10
×
True or False: An object in free fall has constant velocity.
False
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Check
10
×
If you drop a rock and throw another rock downward at the same time, which one has greater acceleration (ignoring air resistance)?
Same acceleration â both experience g
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10
×
A stone takes 4 seconds to reach the ground when dropped. What was the approximate height? Take g=10 m/s^2
80m
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lifesaver
Give 10 points!
Oops!
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gift
Win 25 points!
Okay!
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gift
Win 15 points!
Okay!
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thief
Give points!
5
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25
10
×
If an object is dropped from a height of 20 m, will its acceleration change as it falls? Why or why not?
No
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10
×
What is the acceleration due to gravity on Earth (approximate value)?
g=9.8
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10
×
True or False: The mass of an object affects the rate at which it falls in free fall.
False
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10
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What is the velocity of an object just before hitting the ground after falling freely for 3 seconds? Take g=10 m/s^2
30 m/s
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10
×
True or False: The acceleration due to gravity depends on the shape of the object.
False â acceleration due to gravity is the same for all objects (ignoring air).
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monster
Reset all scores!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
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25
10
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How far does an object fall in 10 seconds?
500 m
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thief
Give points!
5
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25
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shark
Other team loses 20 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
10
×
A ball is dropped from rest. After 2 seconds, what is its velocity?
20 m/s
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10
×
An object is dropped and falls for 6 seconds. Is its acceleration greater in the first second or the last second?
Same acceleration ( 9.8 âm/s ^2 ) throughout the fall.
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10
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Give a real-life example where free fall occurs (ignoring air resistance).
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