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Which of the following would be the best controlled scientific investigation to determine how the amount of force on an object affects its speed?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
Which of the following electromagnetic waves is best for wireless technology and communication?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
If a car is traveling forward with a force of 100N and the force of friction is acting in the opposite direction at 20N. What is the net force acting on the car and the direction?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
How does a prism reveal all the colors that make up white light?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
Which of the following best explains an echo?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
What is the difference between a low frequency and a high frequency wave?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
Which of the following correctly explains a sound wave.
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
Which of the following BEST explains why a heavier object is harder to move?
sound waves are reflected off objects
Mechanical Waves that travel as compressional waves parallel to the direction of motion
80 Newtons forward
The more mass an object has the more inertia
Push an object of the same mass with different amounts of force at least three times and measure its average speed.
the prism refracts different wavelengths of light
Radio waves because it has a lower energy and longer wavelengths
Wavelength decreases in high frequency waves
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