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Impulse and Momentum
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Impulse =change in ___
momentum
I= F_
t
Find the impulse experienced by the object from t = 0 s to t = 5 s.
8 N.m
Find the impulse experienced by the object from t = 3 s to t = 5 s.
-4 N.m
Find the impulse experienced by the object from t = 0 s to t = 3 s.
12 N.m
Find the impulse experienced by the object from t = 2 s to t = 4 s.
200 N.m
Find the impulse experienced by the object from t = 0 s to t = 4 s.
300 N.m
Find the impulse experienced by the object from t = 0 s to t = 2 s.
100 N.m
______reduces injuries by making the force on a passenger less and by spreading the force over a larger area of the person’s body.
An air bag
______reduces the force on the body by acting over a longer period of time, hence reducing injury.
A seat belt
The impulse acting on an object is equal to the change in _____
momentum
Impulse I=Ft is measured in____
N.s
p=m___
v
linear momentum of an object as the product of an object’s mass and its ____
velocity