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- 1. Multiple ChoiceA heavy object and a light object are dropped from the same height. Which will hit the ground first?Heavier objectLighter objectBoth
- 2. Multiple ChoiceA _________ quantity is completely described by magnitude alone. A _________ quantity is
completely described by a magnitude with a direction.vector, scalarscalar, vector - 3. Multiple Choice
What 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 ChoiceDescribe the motionSpeeding up; Moving in negative directionSpeeding up; Moving in positive directionSlowing down; Moving in positive directionSlowing down; Moving in negative direction
- 5. Multiple ChoiceDescribe the motionSpeeding up; Moving in negative directionSpeeding up; Moving in positive directionSlowing down; Moving in positive directionSlowing down; Moving in negative direction
- 6. Multiple ChoiceYou are throwing a ball straight up in the air. At all points in the motion (except when either the acceleration or velocity is zero) the ball’svelocity and acceleration are both positive or both negative.velocity and acceleration are opposite signs, one is positive when the other is negative.velocity and acceleration are sometimes the same sign, sometimes opposite signs.the answer depends on the choice of the coordinate system.
- 7. Multiple ChoiceYou are throwing a ball straight up in the air. At the highest point in this motion, the ball’svelocity and acceleration are both zero.velocity is nonzero but its acceleration is zero.acceleration is nonzero, but its velocity is zero.velocity and acceleration are both nonzero.
- 8. 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
- 9. Multiple ChoiceIf you throw a baseball straight up, what is its acceleration at the highest point?9.8 m/s29.8 m/s0 m/s20 m/s
- 10. Multiple ChoiceA ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would beless than the speed it had when thrown upwards.more than the speed it had when thrown upwards.the same as the speed it had when thrown upwards.
- 11. Multiple Choice
The unit we use to measure speed is ___.
m/s
m
s
m/s2
- 12. Multiple Choice
If air resistance is negligible, (‘negligible’ means it’s so small it has NO effect), which of the following objects will fall faster on Earth?
all objects fall at the same rate
a baseball
a feather
a bowling ball
- Answer choicesTagsAnswer choicesTags