Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
Momentum Review

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•
Physics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The bike has more momentum because momentum is the product of mass and velocity, and the car's velocity is zero.
2.
FLASHCARD QUESTION
Front
A 60kg astronaut floating in space throws a 20kg moonrock. Which object is moving at a greater speed after the throw?
Back
The moonrock is moving at a greater speed after the throw due to the conservation of momentum.
3.
FLASHCARD QUESTION
Front
Momentum is a ____________________ quantity.
Back
Momentum is a vector quantity, meaning it has both magnitude and direction.
4.
FLASHCARD QUESTION
Front
What is the unit for momentum?
Back
The unit for momentum is kg m/sec.
5.
FLASHCARD QUESTION
Front
A LARGE object collides INELASTICALLY with a SMALL object. Which object experiences a greater ACCELERATION during the collision?
Back
The small object experiences a greater acceleration due to its smaller mass.
6.
FLASHCARD QUESTION
Front
Define momentum.
Back
Momentum is the product of an object's mass and its velocity, represented as p = mv.
7.
FLASHCARD QUESTION
Front
What is the principle of conservation of momentum?
Back
The total momentum of a closed system remains constant if no external forces act on it.
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