Science
9th - 12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the distance a ball falls after 1,2,3,4,5 seconds (assume g is rounded to 10 m/s2)?
10, 20, 30, 40, 50 m (meters)
5, 20, 45, 80,125 m (meters)
5, 10,15, 20, 25 m (meters)
10, 25, 60, 90,120 m (meters)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the velocity of a ball that has been dropped off a cliff after 1 , 2, 3, 4, and 5 seconds? (assume g is rounded to 10 m/s2)?.
10, 20, 30, 40, 50 m/s
5, 10, 15, 20, 25 m/s
5, 20, 45, 80,125 m
10,10,10,10,10 m/s
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the acceleration of a ball that is dropped off the side of a cliff after 1,2,3,4,5 seconds? (assume g is rounded to 10 m/s2)
5,10,15, 20, 25 m/s2
10, 20, 30, 40, 50 m/s2
5, 20, 45, 80, 125 m/s2
10,10,10,10,10 m/s2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from?
4 seconds
2 seconds
6 seconds
8 seconds
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 2 seconds?
0 m/s
20 m/s traveling upward
20 m/s traveling downward
40 m/s traveling downward
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 6 seconds?
20 m/s traveling upward.
10 m/s traveling downward.
20 m/s traveling downward.
30 m/s traveling downward.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If a free falling object takes 10s to travel upward, what is the total time the object is in the air?
0s because of symmetry and Tup = +10s, so Tdown = -10s. Which means that Ttotal = 0s.
20s because of symmetry and Tup = 10s, so Tdown = 10s. Which means that Ttotal = 20s.
Greater than 10s, but less than 20s because the object would fall faster than it rose because of gravity. Without more information, you cannot calculate this number.
Less than 10s because the object begins falling back before the 10s and it falls faster than it rises.
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