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x= 12
(0, 2 t)
y= 10
(0, 2 t)
z= 0, 8 t
r =
5(cos 2t) i+ 4(sen 2t) j
t
t= 1
vx = 2, 4 1, 6 t
2
vy = 4, 0 t v t
t = 0s
35, 0
4000 m
g = 9, 8 m/s2
v0
(v0)
D
g
B
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vA
h
B
(y 40)2 = 160x
vy =
x = 5 t
y = 2/t
t
t= 1s
t= 1s
y = 0,4x2
xA =
yA = 1,6 vB =
dvB/dt =
2
vA = 8 A =
y = f(x)
t=
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r(t)
(t)
r =
r
r =
=
r =
2
=
4
2
m/s2
t= 1s.
30m/s
20
60km/h
= 90
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vB = 10
vA = 5
20 m/s
5m/s2
80 m
v
R
x= R(t
sent)
y=R(1 cost)
= v/R.
r
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R
vo
x = R(t
sent
y = R(1 cost) = V o/R
t
r = 75 mm
=
5 rad/s2
t1
t = 0
t= t1
t= t1