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15
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What is the velocity of a 5-kg object whose momentum is -15 kg m/s?
-3 m/s
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15
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From where is the formula for impulse derived?
Newton's second law
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What is the formula for Impulse?
mvf - mvi or change in p
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Why do baseball players "swing through" when hitting the ball? Relate your answer to impulse
Increase of time means decrease of force of impact (injury prevention)
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Which has more momentum? A mouse running at 5 m/s or a Car at a stoplight?
The mouse!
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This states the impulse applied to an object is equal to its change in momentum
Impulse Momentum Theorem
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seesaw
Swap points!
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rocket
Go to first place!
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fairy
Take points!
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25
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lifesaver
Give 25 points!
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15
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Come to the board to show the derivation of the formula for impulse
????
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baam
Lose 5 points!
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shark
Other team loses 20 points!
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rocket
Go to first place!
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thief
Give points!
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25
15
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Is momentum a vector or scalar quantity?
vector
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15
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Describe a scenario where two objects have the same momentum
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15
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Define momentum
product of an object's mass and its velocity
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impulse definition
change in object's momentum
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15
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Why are airbags used in cars? Relate your answer to impulse
increase of time of impact will lower force of impact
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eraser
Reset score!
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shark
Other team loses 25 points!
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fairy
Take points!
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25
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baam
Lose 20 points!
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15
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Why do runners change their shoes every 300 miles? Relate you answer to impulse.
More cushion means increase of time of impact therefore lowering force of impact
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