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A wave carries energy, not matter
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
A ringing bell makes noise inside a glass jar. Then the air is removed from the glass jar using a vacuum pump. When all of the air leaves the jar, the sound of the ringing bell can no longer be heard.Which of the following best explains why the stud
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
This graph shows the kinetic energy of both a school bus and a pick-up truck at they move at various speeds. Under which of the following conditions can the pick-up have more kinetic energy th
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
Which of the waves is carrying the greater amount of energy ?
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
A graph showing the kinetic energy and speed of a moving object is provided. Which of the following can be concluded from the graph
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
The _____________ the wavelength, the more times it will pass by in one second. The _____________ the wavelength, the fewer times it will pass by in one second.
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
What is the main source of energy that the United States uses to generate electricity?
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
Which of the following provides an example of sound waves being reflected
Kinetic energy increases as speed increases
The air in the jar provides a medium for the sound to travel through.
Smaller; larger
Fossil fuels
The pick-up is moving at 4 m/s and the school bus is moving at 2 m/s
A noise that produces an echo when it bounces off a distant wall
D
True
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