Conservation of Linear Momentum
AP Physics C Mechanics · Flashcards
AP PHYSICS C MECHANICS · FLASHCARDS
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QUESTION
What is the momentum of a 7 kg object moving at 5 m/s?
QUESTION
What is impulse in relation to momentum?
QUESTION
Determine the impulse for a 3 kg object accelerating from 2 m/s to 5 m/s.
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ANSWER
J
=
9
N⋅s
J = 9 \, \text{N·s}
J
=
9
N⋅s
.
J
=
m
Δ
v
=
3
(
5
−
2
)
=
9
J = m\Delta v = 3(5-2) = 9
J
=
m
Δ
v
=
3
(
5
−
2
)
=
9
N·s.
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