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- 1. Multiple Choice
If you throw a baseball straight up, what is its velocity at the highest point?9.8 m/s29.8 m/s0 m/s20 m/s - 2. Multiple ChoiceWhile an object is travelling upwards it's acceleration isupwardsdownwards
- 3. Multiple ChoiceWhile an object is travelling downwards, it's acceleration isupwardsdownwards
- 4. Multiple ChoiceWhen an object gets to it's maximum height it's accelerationchanges directionstays upwardsstays downwards
- 5. Multiple ChoiceFreefall only applies to objects falling downwardsTrueFalse
- 6. Multiple ChoiceYou are in a room with air. You drop a feather and a rubber ball from the same position at the same time. Which object impacts the ground first?FeatherRubber ballBoth impact at the same timeBoth float away.
- 7. Multiple ChoiceThe more mass an object has, the faster it will fall.TrueFalse
- 8. Multiple ChoiceWhat is the value of acceleration in Earth's gravity field?9.80 m/s21.62 m/s23.70 m/s224.9 m/s2
- 9. Multiple Choice
You are in a room with no air. You are dead because there is no air. You drop and a feather falls from the same position at the same time. Which object impacts the ground first?
Feather
You
Both impact at the same time
Both float away.
- 10. Multiple ChoiceObjects that are only under the influence of gravity are considered to be ____in freefallflyingin freefall only if they are moving downwards
- 11. Multiple Choice
A researcher tests the acceleration due to gravity by dropping a pebble in an evacuated tube. After 0.5 seconds the pebble falls 1.226 meters. What is the acceleration due to gravity measured by the researcher?
9 m/s2
9.80 m/s2
9.50 m/s2
11.22 m/s2
- 12. Multiple Choice
A 10 kg object is dropped from rest. How far will it drop in 2 s?
11.20 m
17.25 m
22.2 m
19.62 m
- 13. Multiple Choice
An object is dropped from rest from the top of a 100 m building. How long will it take for the object to hit the ground?
4.52 s
3.25 s
4.5 hr
32.5 s
- 14. Multiple Choice
A bullet is shot vertically into the air with a velocity of 450 m/s. Neglecting air resistance, How long is the bullet in the air?
40.5 s
50.2 s
45.9 s
32.7 s
- 15. Multiple Choice
A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s
-39 m/s
-29 m/s
+27 m/s
+32 m/s
- Answer choicesTagsAnswer choicesTags