
Calculations/Conclusions: Multi-step Energy and Waves
Flashcard
•
Physics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is wave velocity?
Back
Wave velocity is the speed at which a wave travels through a medium, calculated using the formula: Velocity (v) = Wavelength (λ) × Frequency (f).
2.
FLASHCARD QUESTION
Front
How do you calculate wave velocity if you know the wavelength and frequency?
Back
Wave velocity can be calculated using the formula: v = λ × f, where v is the wave velocity, λ is the wavelength, and f is the frequency.
3.
FLASHCARD QUESTION
Front
What is the relationship between wavelength and wave velocity?
Back
The wave velocity is directly proportional to the wavelength; as the wavelength increases, the wave velocity also increases if the frequency remains constant.
4.
FLASHCARD QUESTION
Front
If the wavelength is 0.05 meters and the frequency is 0.6 Hz, what is the wave velocity?
Back
Using the formula v = λ × f, v = 0.05 m × 0.6 Hz = 0.03 m/s.
5.
FLASHCARD QUESTION
Front
What is gravitational potential energy?
Back
Gravitational potential energy is the energy an object possesses due to its position in a gravitational field, calculated using the formula: PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.
6.
FLASHCARD QUESTION
Front
How do you calculate the energy lost to friction?
Back
Energy lost to friction can be calculated by subtracting the kinetic energy at the bottom of the ramp from the gravitational potential energy at the top.
7.
FLASHCARD QUESTION
Front
What is the formula for kinetic energy?
Back
The formula for kinetic energy (KE) is KE = 0.5 × m × v², where m is mass and v is velocity.
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