Quiz
Vector Quiz
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Perguntas do quiz (10)
1Is 5 m/s a vector.
- AVerdadeiro
- BFalso
2What is the addition of the vectors V = (-2 ,5) and W = (7 , 9).
- AVW = (5, 14)
- BVW = ( 9 ,14)
- CVW = ( 5, 4)
- DVW = (9 ,5)
3What happens when we multiply vector U = ( -3, 4) by scalar 5?
- AU = ( 5, ,5)
- BU = (-3,4)
- CU = ( -15, 20)
- DU = ( 15, 20)
4What is the subtraction of vectors U = (-7, -3) and W = ( 5, -2)?
- AUW = ( -2, -5)
- BUW = ( 12, 1)
- CUW = (2, 5)
- DUW = (-12, -1)
5What is the magnitude of the vector ( -1, -6)?
- Asqrt (36 ) = 6.
- Bsqrt (37 )
- Csqrt ( -7)
- Dsqrt ( 7)
6If a = (-1, 2) and b = (-2,-3), and if c = -a + 3b, what is vector c?
- Ac = (-3, 1)
- Bc = ( 3, 1)
- Cc = ( -1, 5)
- Dc = (-5, 11)
7If v ⃗ = (-2, 5), what is the magnitude and direction of v? Hint: For part 2, remember which quadrant the vector lies in.
- AMagnitude is √29 , and direction is 261.8°
- BMagnitude is √7 , and direction is 61.8°
- CMagnitude is √3 , and direction is 21.3°
- DMagnitude is √27 , and direction is 61.8°
8Is -2 inches a vector?
- AVerdadeiro
- BFalso
9When two vectors are perpendicular (right angles) to each other the dot product is zero?
- AVerdadeiro
- BFalso
10Find the dot product of vectors v and w. Use the following diagram to answer the question. Round your answer to the nearest hundredth.
- A25.384°
- B20.433°
- C28.432°
- D22.273°
Informações
- Descrição
- This quiz will test you on the definition of a vector and perform the operations of a vector, which are addition subtraction, multiplication (dot production & scalar multiplication), and division.
- Autor
- Vanessa Komperda
- Idioma
- English
- Visualizações
- 40
- Etiquetas
- Avaliação
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