
Vetores
Authored by Frederico Augusto
Mathematics
University
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dois vetores V e W são paralelos se
V=W
V e W tem a mesma direção
V e W tem o mesmo sentido
V+W=0
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Seja ABCD um paralelogramo. Quais destes representam uma diagonal do paralelogramo.
AB+DC
AB+CD
AB+BC
AD
BD
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se V e W são vetores tais que V.W=0, então
V e W são paralelos
V e W são ortogonais
V=0 ou W=0
V=W
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O vetor ProjWV é
Paralelo a V
Ortogonal a V
Paralelo a W
Ortogonal a W
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Se ||V||=2 e ||W||=3, quais das afirmações podem ser verdadeiras?
||V+W||=5
||V+W||=0
Se ||V+W||=1, então V e W são paralelos
V.W=0
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Se V e W são vetores que fazem um angulo de 213º, quais afirmações são verdadeiras
V.W=0
V.W>0
V.W<0
(V+W).(V-W)=||V||2+||W||2
Voldemort fez um total de 6 horcruxes
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