Potential and kinetic energy calculations 1
Flashcard
•
Physics
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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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: , where m is mass and v is velocity.
2.
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: , where m is mass, g is the acceleration due to gravity, and h is height.
3.
FLASHCARD QUESTION
Front
Calculate the kinetic energy of a car with a mass of 1500 kg moving at a velocity of 20 m/s.
Back
300,000 J
4.
FLASHCARD QUESTION
Front
If an object has a mass of 25 kg and is located 8 meters above the ground, what is its gravitational potential energy? (Use g = 9.8 m/s²)
Back
1960 J
5.
FLASHCARD QUESTION
Front
A book with a mass of 1 kg is placed on a shelf 2 meters high. Calculate its gravitational potential energy. (Assume g = 9.8 m/s²)
Back
19.6 J
6.
FLASHCARD QUESTION
Front
What is the kinetic energy of a 50 kg skateboarder moving at 10 m/s?
Back
2500 J
7.
FLASHCARD QUESTION
Front
A bird with a mass of 0.2 kg is flying at a height of 50 meters. Calculate its gravitational potential energy. (Use g = 9.8 m/s²)
Back
98 J
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