
Physical science midterm exam review part 2
Flashcard
•
Science
•
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 KE = 1/2 mv², where m is mass and v is velocity.
2.
FLASHCARD QUESTION
Front
How do you calculate the kinetic energy of an object?
Back
Kinetic energy (KE) is calculated using the formula KE = 1/2 mv², where m is the mass in kilograms and v is the velocity in meters per second.
3.
FLASHCARD QUESTION
Front
What happens to kinetic energy when the speed of an object increases?
Back
The kinetic energy increases; specifically, it increases with the square of the speed.
4.
FLASHCARD QUESTION
Front
What is the relationship between mass and kinetic energy?
Back
Kinetic energy is directly proportional to the mass of the object; as mass increases, kinetic energy increases if speed remains constant.
5.
FLASHCARD QUESTION
Front
What type of energy conversion occurs when an object falls?
Back
Gravitational potential energy is converted into kinetic energy as the object falls.
6.
FLASHCARD QUESTION
Front
What is a longitudinal wave?
Back
A longitudinal wave is a type of wave in which the particles of the medium move parallel to the direction of the wave's propagation, such as sound waves.
7.
FLASHCARD QUESTION
Front
What is a transverse wave?
Back
A transverse wave is a type of wave in which the particles of the medium move perpendicular to the direction of the wave's propagation, such as light waves.
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