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1. An object is thrown with an initial upward velocity. Taking the upward direction to be positive
and neglecting the influence of air resistance, which of the following could be a possible graph
of the velocity vy(t)?
b.
له
d.
6543NT
Vy (m/s) 3
2
Vy (m/s)
1
0
0.0 0.2 0.4 0.6 0.8 1.0
t(s)
6
10 st
5
4
Vy (m/s) 3)
2
1
0
0.0 0.2 0.4 0.6 0.8 1.0
0
-2
-6
-8
-10
0.0 0.2 0.4 0.6 0.8 1.0
t(s)
65432 -
Vy (m/s) 3
1
0
0.0 0.2 0.4 0.6 0.8 1.0
t (s)

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