What does the Work Energy Theorem state?
Work and Energy Flashcardziz

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Physics
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Work Energy Theorem states that the change in kinetic energy of an object is equal to the work done on that object.
2.
FLASHCARD QUESTION
Front
Is the Work Energy Theorem applicable to thermal energy?
Back
No, the Work Energy Theorem specifically relates to kinetic energy, not thermal energy.
3.
FLASHCARD QUESTION
Front
How do you calculate kinetic energy?
Back
Kinetic energy (KE) is calculated using the formula KE = 0.5 * m * v^2, where m is mass and v is velocity.
4.
FLASHCARD QUESTION
Front
If a 0.34 kg object has a kinetic energy of 135 Joules, what is its velocity?
Back
28.18 m/s.
5.
FLASHCARD QUESTION
Front
What is the formula to find the final velocity of an object falling from a height?
Back
The final velocity (v) can be calculated using the formula v = sqrt(2 * g * h), where g is the acceleration due to gravity (9.81 m/s²) and h is the height.
6.
FLASHCARD QUESTION
Front
What is the final velocity of an object dropped from a height of 32 m?
Back
25 m/s.
7.
FLASHCARD QUESTION
Front
How do you find the velocity of an object falling from a height of 2.1 m?
Back
Use the formula v = sqrt(2 * g * h). For h = 2.1 m, v = 6.42 m/s.
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