Kinetic Energy vs. Potential Energy - Test REVIEW

Flashcard
•
Physics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion, calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.
2.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the energy stored in an object due to its position or configuration, commonly associated with gravitational potential energy, calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.
3.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Energy?
Back
The Law of Conservation of Energy states that energy cannot be created nor destroyed, only transformed from one form to another or transferred between objects.
4.
FLASHCARD QUESTION
Front
How do you calculate the kinetic energy of an object?
Back
Kinetic energy (KE) can be calculated using the formula KE = 1/2 mv², where m is the mass of the object and v is its velocity.
5.
FLASHCARD QUESTION
Front
What factors affect potential energy?
Back
Potential energy is affected by the mass of the object, the height of the object above a reference point, and the strength of the gravitational field.
6.
FLASHCARD QUESTION
Front
What is the formula for gravitational potential energy?
Back
The formula for gravitational potential energy (PE) is PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.
7.
FLASHCARD QUESTION
Front
If an object has a mass of 10 kg and a kinetic energy of 20 J, what is its velocity?
Back
The velocity can be calculated using the formula KE = 1/2 mv². Rearranging gives v = sqrt(2KE/m). For 20 J and 10 kg, v = 2 m/s.
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