What is the definition of velocity?
2nd 9 WK Mid Assessment CORRECTIONS

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Science
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Velocity is the speed of an object in a specific direction.
2.
FLASHCARD QUESTION
Front
What happens to the total mass in a chemical reaction according to the law of conservation of mass?
Back
The total mass remains constant during a chemical reaction.
3.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion.
4.
FLASHCARD QUESTION
Front
How do you calculate acceleration?
Back
Acceleration is calculated by the change in velocity divided by the time taken.
5.
FLASHCARD QUESTION
Front
What is the net force acting on an object?
Back
The net force is the vector sum of all the forces acting on an object.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating force?
Back
Force is calculated using the formula: Force = Mass x Acceleration (F = ma).
7.
FLASHCARD QUESTION
Front
What is the difference between potential energy and kinetic energy?
Back
Potential energy is stored energy based on an object's position, while kinetic energy is energy of motion.
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