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- 1. Multiple Choice
Earth's acceleration due to gravity is...
18.2 m/s2
-9.8 m/s2
9.8 m/s
-18.2 m/s2
- 2. Multiple Choice
If Tony wants to calculate how long it would take his ball to hit the ground from a 10 meter high bridge. Which equation should he use?
- 3. Multiple Choice
Daniel drops a marble from the edge of the table. Abigail timed how long it took to hit the ground. Which equation should they use to calculate the velocity of the ball when it hit the ground?
- 4. Multiple Choice
Isabela is the first astronaut to walk on Planet X. As a part of her scientific explorations, she must calculate the acceleration due to gravity on this new planet. Which equation should she use?
- 5. Multiple Choice
A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground
the velocity increases
the velocity decreases
the velocity remain constant
- 6. Multiple Choice
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground
the acceleration increases
the acceleration decreases
the acceleration remains constant
- 7. Multiple Choice
Which one falls faster in vacuum? An elephant or a leaf?
Elephant
Leaf
They are the same
Nothing can be said
- 8. Multiple Choice
If you drop a ball from the top of a building, estimate what the velocity will be after 6 seconds? (Assume gravity is -10m/s/s for this problem)
-10 m/s
-10 m/s/s
-60 m/s
-60 m/s/s
- 9. Multiple Choice
Calculate acceleration due to gravity on a mysterious planet that takes an object 0.5 seconds to free fall a distance of 100 meters. The initial velocity is zero.
400
800
200
600
- 10. Multiple Choice
How long will it take for tomato to hit the ground if it is dropped from a height of 100 meters. (g = -9.8m/s2)
5.01 seconds
10.2 seconds
3.19 seconds
7.03 seconds
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