SAT Physics Practice Test 4: Part A

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Question 15 questions

Time 12 minutes

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1. Question below relates to the following chart, which is a partial energy level diagram for the hydrogen electron.

The question relates to a hydrogen electron located at E-3. What is the emission energy when theelectron falls to E-2 from E-3?

A. ±.66eV
B. ±.966eV
C. ±1.89eV
D. ±10.2eV
E. ±12.09eV

2. Question below relates to the following chart, which is a partial energy level diagram for the hydrogen electron.

The question relates to a hydrogen electron located at E-3. What is the absorbed energy when theelectron jumps to E-5 from E-3?

A. ±.66eV
B. ±.966eV
C. ±1.89eV
D. ±10.2eV
E. ±12.09eV

3. Question below relates to the following chart, which is a partial energy level diagram for the hydrogen electron.

The question relates to a hydrogen electron located at E-3. What is the emission energy when theelectron falls to E-1 from E-3?

A. ±.66eV
B. ±.966eV
C. ±1.89eV
D. ±10.2eV
E. ±12.09eV

4. A pendulum swings at a rate of .75 vibrations/second. The period of the vibrations would increase because…

A. Mass of the bob was increased
B. Length of the pendulum was increased
C. Mass of the bob was decreased
D. Length of the pendulum was decreased
E. Displacement from zero was increased

5. A pendulum swings at a rate of .75 vibrations/second. The frequency of the vibrations would decrease because…

A. Mass of the bob was increased
B. Length of the pendulum was increased
C. Mass of the bob was decreased
D. Length of the pendulum was decreased
E. Displacement from zero was increased

6. A pendulum swings at a rate of .75 vibrations/second. The velocity of the pendulum would increase because…

A. Mass of the bob was increased
B. Length of the pendulum was increased
C. Mass of the bob was decreased
D. Length of the pendulum was decreased
E. Displacement from zero was increased

7. A dog walks 120 m due east before turning and running 45 m west. He then turns and trots 40 m due north. After completing his journey, he is 85 m northeast of his home. When he hears his master call him, he runs directly home.

Which part of the trip is a negative vector?

A. The eastward leg
B. The westward leg
C. The northward leg
D. The distance from home
E. The distance to home

8. A dog walks 120 m due east before turning and running 45 m west. He then turns and trots 40 m due north. After completing his journey, he is 85 m northeast of his home. When he hears his master call him, he runs directly home.

Which part of the trip is an equilibrant?

A. The eastward leg
B. The westward leg
C. The northward leg
D. The distance from home
E. The distance to home

9. A dog walks 120 m due east before turning and running 45 m west. He then turns and trots 40 m due north. After completing his journey, he is 85 m northeast of his home. When he hears his master call him, he runs directly home.

Which part of the trip is the longest vector?

A. The eastward leg
B. The westward leg
C. The northward leg
D. The distance from home
E. The distance to home

10. The choices below give a description of the quantities listed above. Match the statement below with the quantity it describes above.

The number of wave crests passing a given point per unit of time.

A. Frequency
B. Amplitude
C. Wavelength
D. Velocity
E. Period

11. The choices below give a description of the quantities listed above. Match the statement below with the quantity it describes above.

The distance between two points or two consecutive waves.

A. Frequency
B. Amplitude
C. Wavelength
D. Velocity
E. Period

12. The choices below give a description of the quantities listed above. Match the statement below with the quantity it describes above.

The product of the frequency and the wavelength.

A. Frequency
B. Amplitude
C. Wavelength
D. Velocity
E. Period

13. A wooden crate is pushed across a concrete floor at 5 m/s and released. It slides to a stop after moving a short distance. The same crate is filled until it weighs twice as much as it did previously and again slid across the floor at 5 m/s and released. The stopping distance for the crate will be

A. 1/4 as far.
B. 1/2 as far.
C. the same distance.
D. twice as far.
E. four times as far.

14. A team of skydivers jumps from a plane and holds hands to form a flower-like design. As the skydivers begin their free fall, their velocity increases and their

A. acceleration increases.
B. acceleration decreases.
C. acceleration is constant.
D. acceleration is zero.
E. air resistance is reduced.

15. A professional golfer drives a golf ball 230 meters down the fairway. When the club head strikes the golf ball

A. the impact force on the golf ball is greatest
B. the impact force on the club head is greatest
C. the impact force is the same for both.
D. the impact force has no effect on the club
E. the impact force has no effect on the ball