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- 1. Multiple Choice
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
- 2. Multiple Choice
A baseball is thrown up into the air. What direction is the acceleration of the ball?
upward
downward
- 3. Multiple ChoiceWhat happens to the velocity of a ball as it is dropped off a cliff?It decreases at a uniform rateIt increases at a uniform rateIt is constantIt increases at a non-uniform rate
- 4. Multiple ChoiceWhich would fall with greater acceleration in a vacuum—a leaf or a stone?the leafthe stoneThey would accelerate at the same rate.It is difficult to determine without more information.
- 5. Multiple ChoiceIf 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
- 6. Multiple Choice
Baby elephant experience greater force of gravity than the child
TRUE
FALSE
- 7. Multiple Choice
Two rocks with different size and mass are dropped from the same height. Which of the rock will reach the ground first?
greater rock
smaller rock
both reach the ground at the same time
- 8. Multiple Choice
A baseball is thrown up into the air. What direction is the acceleration due to gravity on the ball the instant after it leaves the person's hand?
upward
downward
- 9. Multiple Choice
The acceleration of a freely falling body on Earth is
9.8 m/s.
9.8 m.
9.8 m/s2.
9.8 s.
- 10. Multiple Choice
If there were no air resistance (friction), a bowling ball would land before a baseball if dropped at the same time.
True
False
- Answer choicesTagsAnswer choicesTags