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**Sample Conceptual Physics Test Questions**

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Assessment Questions If a falling object gains 10 m/s each second it falls, its acceleration can be expressed as 10 m/s/s. 10 m/s2. v = gt. both A and B.

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Assessment Questions If a falling object gains 10 m/s each second it falls, its acceleration can be expressed as 10 m/s/s. 10 m/s2. v = gt. both A and B. Answer: D

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Assessment Questions A rock falls 180 m from a cliff into the ocean. How long is it in free fall? 6 s 10 s 18 s 180 s

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Assessment Questions A rock falls 180 m from a cliff into the ocean. How long is it in free fall? 6 s 10 s 18 s 180 s Answer: A

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**The slope of a speed-versus-time graph represents distance traveled. **

Assessment Questions The slope of a speed-versus-time graph represents distance traveled. velocity. acceleration. air resistance.

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**The slope of a speed-versus-time graph represents distance traveled. **

Assessment Questions The slope of a speed-versus-time graph represents distance traveled. velocity. acceleration. air resistance. Answer: C

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**gravity doesn’t act in a vacuum. **

Assessment Questions In a vacuum tube, a feather is seen to fall as fast as a coin. This is because gravity doesn’t act in a vacuum. air resistance doesn’t act in a vacuum. greater air resistance acts on the coin. gravity is greater in a vacuum.

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**gravity doesn’t act in a vacuum. **

Assessment Questions In a vacuum tube, a feather is seen to fall as fast as a coin. This is because gravity doesn’t act in a vacuum. air resistance doesn’t act in a vacuum. greater air resistance acts on the coin. gravity is greater in a vacuum. Answer: B

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**Speed and acceleration are actually **

Assessment Questions Speed and acceleration are actually one and the same concept, but expressed differently. rates of one another. entirely different concepts. expressions of distance traveled.

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**Speed and acceleration are actually **

Assessment Questions Speed and acceleration are actually one and the same concept, but expressed differently. rates of one another. entirely different concepts. expressions of distance traveled. Answer: C

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**Ch.6 Assessment Questions**

Which of these expresses a vector quantity? 10 kg 10 kg to the north 10 m/s 10 m/s to the north

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**Which of these expresses a vector quantity? 10 kg 10 kg to the north **

Assessment Questions (6) Which of these expresses a vector quantity? 10 kg 10 kg to the north 10 m/s 10 m/s to the north Answer: D

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Assessment Questions An ultra-light aircraft traveling north at 40 km/h in a 30-km/h crosswind (at right angles) has a groundspeed of 30 km/h. 40 km/h. 50 km/h. 60 km/h.

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Assessment Questions An ultra-light aircraft traveling north at 40 km/h in a 30-km/h crosswind (at right angles) has a groundspeed of 30 km/h. 40 km/h. 50 km/h. 60 km/h. Answer: C

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**A ball launched into the air at 45° to the horizontal initially has **

Assessment Questions A ball launched into the air at 45° to the horizontal initially has equal horizontal and vertical components. components that do not change in flight. components that affect each other throughout flight. a greater component of velocity than the vertical component.

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**A ball launched into the air at 45° to the horizontal initially has **

Assessment Questions A ball launched into the air at 45° to the horizontal initially has equal horizontal and vertical components. components that do not change in flight. components that affect each other throughout flight. a greater component of velocity than the vertical component. Answer: A

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**opposite to the force of gravity. at right angles.**

Assessment Questions When no air resistance acts on a fast-moving baseball, its acceleration is downward, g. due to a combination of constant horizontal motion and accelerated downward motion. opposite to the force of gravity. at right angles.

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**opposite to the force of gravity. at right angles. Answer: A**

Assessment Questions When no air resistance acts on a fast-moving baseball, its acceleration is downward, g. due to a combination of constant horizontal motion and accelerated downward motion. opposite to the force of gravity. at right angles. Answer: A

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Assessment Questions When no air resistance acts on a projectile, its horizontal acceleration is g. at right angles to g. upward, g. zero.

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Assessment Questions When no air resistance acts on a projectile, its horizontal acceleration is g. at right angles to g. upward, g. zero. Answer: D

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**10 m/s for every second in the air. the same as the time going upward. **

Assessment Questions Without air resistance, the time for a vertically tossed ball to return to where it was thrown is 10 m/s for every second in the air. the same as the time going upward. less than the time going upward. more than the time going upward.

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**10 m/s for every second in the air. the same as the time going upward. **

Assessment Questions Without air resistance, the time for a vertically tossed ball to return to where it was thrown is 10 m/s for every second in the air. the same as the time going upward. less than the time going upward. more than the time going upward. Answer: B

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Gravity and Motion 6.1. Gravity and Falling Objects Gravity causes all objects to accelerate toward Earth at a rate of 9.8 m/s/s Calculate the velocity.

Gravity and Motion 6.1. Gravity and Falling Objects Gravity causes all objects to accelerate toward Earth at a rate of 9.8 m/s/s Calculate the velocity.

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