Change in Momentum and Impulse
AP Physics C Mechanics · Flashcards · Application
AP PHYSICS C MECHANICS · FLASHCARDS
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QUESTION
Find
△
v
\triangle v
△
v
if
J
=
25
N
⋅
s
J = 25 \, N \cdot s
J
=
25
N
⋅
s
,
m
=
5
k
g
m = 5 \, kg
m
=
5
k
g
.
QUESTION
Determine the final velocity if
m
=
4
k
g
m = 4 \, kg
m
=
4
k
g
,
u
=
3
m
/
s
u = 3 \, m/s
u
=
3
m
/
s
,
J
=
20
N
⋅
s
J = 20 \, N \cdot s
J
=
20
N
⋅
s
.
QUESTION
Calculate final velocity if
m
=
2
k
g
m = 2 \, kg
m
=
2
k
g
,
p
=
8
k
g
⋅
m
/
s
p = 8 \, kg \cdot m/s
p
=
8
k
g
⋅
m
/
s
.
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ANSWER
v
=
4
m
/
s
v = 4 \, m/s
v
=
4
m
/
s
. Using
v
=
p
m
=
8
2
v = \frac{p}{m} = \frac{8}{2}
v
=
m
p
=
2
8
.
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