Kinetic Energy Equations
Flashcard
•
Science
•
6th - 8th 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. It is calculated using the formula KE = 0.5 x mass x velocity².
2.
FLASHCARD QUESTION
Front
What is the formula for calculating Kinetic Energy?
Back
KE = 0.5 x m x v², where m is mass and v is velocity.
3.
FLASHCARD QUESTION
Front
If a 90 kg man is traveling at 25 km/h, how do you calculate his Kinetic Energy?
Back
Use the formula KE = 0.5 x 90 kg x (25 km/h)².
4.
FLASHCARD QUESTION
Front
What happens to Kinetic Energy if the velocity of an object is doubled?
Back
The Kinetic Energy quadruples (increases by a factor of 4) because KE is proportional to the square of the velocity.
5.
FLASHCARD QUESTION
Front
Calculate the Kinetic Energy of a 11 kg baby crawling at 2 m/s.
Back
KE = 0.5 x 11 kg x (2 m/s)² = 22 J.
6.
FLASHCARD QUESTION
Front
What is the unit of Kinetic Energy?
Back
The unit of Kinetic Energy is Joules (J).
7.
FLASHCARD QUESTION
Front
How does mass affect Kinetic Energy?
Back
Kinetic Energy increases with an increase in mass; if mass increases, Kinetic Energy increases.
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