Motion in Two or Three Dimensions
AP Physics C Mechanics · Flashcards · Application
AP PHYSICS C MECHANICS · FLASHCARDS
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QUESTION
Find the angular velocity for
T
=
4
T = 4
T
=
4
s.
QUESTION
Calculate the magnitude of velocity given
v
x
=
3
v_x = 3
v
x
=
3
m/s and
v
y
=
4
v_y = 4
v
y
=
4
m/s.
QUESTION
Find the time of flight for a projectile launched horizontally from 20 m.
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ANSWER
t
=
2
s
t = 2 \text{ s}
t
=
2
s
. Using
h
=
1
2
g
t
2
h = \frac{1}{2}gt^2
h
=
2
1
g
t
2
:
t
=
2
h
g
=
2
t = \sqrt{\frac{2h}{g}} = 2
t
=
g
2
h
=
2
s.
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