n n n n n n n n n n
Exam
s
Name
MULTIPLEnCHOICE.n Choose n the n one n alternative n thatnbestncompletesnthe n statementnorn answersnthe n question.
Findnthe n averagenvelocitynofnannobjectnwhichnfollowsnthe n positionnfunctionns(t)novernthe ngivenninterva
l. 1)n
1) s(t)n=nt2 n+n2t,n[2,n9]
n91 n99
A)n 13 B)n C) 7 D) 11
9
2) s(t)n=n4t3 n+n8t2 n-n5,n[-8,n-2] 2) n
A) 256 B)n-n768 C)n- 5
n
n
n D)n
5 2
n
6
3) s(t)n= 2t,n[2,n8] 3) n
A) n 1
2 B)n 7 C)n D)n-
3 n 3n
n
10
n 3n n
4) s(t)n=n ,n[4,n7] 4) n
tn- n2
n1
A) 3 B) 7 C)n- D)n 2
n n 3
n
10
5) n7
s(t)n=n4t2 ,n 0,n 5) n
4
A) 1
n
7 B)n C) - D) 2
3 n 3n
n
10
6) s(t)n=n-3t2 n-nt,n[5,n6] 6) n
A) -34 B)n-2 C)n- 1 n
n D)n
n 2
1
n
6
7)
s(t)n=nsin n(3t),n 0,n 7) n
π
6 n6 π n3
B) π C) D) π
6
n 6
A) - n
π
8) πn π
s(t)n=n3 n+ntan nt,n -n ,n 8) n
4n n 4
1
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n n n n n n n n n n
s
A) n 4 n4 n 8
0 B)n- n C) π D) - n
π 5
2
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n n n n n n n n n n
s
Use nthe ntable ntonfindnthe ninstantaneous nvelocitynofnynatnthe nspecifiednvalue nofn
x. 9) n
9) xn=n1.
xn n y
0 0
0.2 n0.02
0.4 n0.08
0.6 n0.18
0.8 n0.32
1.0 n 0.5
1.2 n0.72
1.4 n0.98
A)n 1 B)n 0.5 C)n2 D)n 1.5
10) xn=n1. 10) n
x y
0 0
0.2 n0.01
0.4 n0.04
0.6 n0.09
0.8 n0.16
1.0 n0.25
1.2 n0.36
1.4 n0.49
A)n 1 B)n 0.5 C)n2 D)n 1.5
11) xn=n1. 11) n
x y
0 0
0.2 n0.12
0.4 n0.48
0.6 n1.08
0.8 n1.92
1.0 n n 3
1.2 n4.32
1.4 n5.88
A)n 2 B)n 8 C)n6 D)n 4
3
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