9947121
Beschreibung
Quiz von Niamh Ryan, aktualisiert more than 1 year ago
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Erstellt von Niamh Ryan
vor fast 7 Jahre
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Frage 1
Frage
Which of the following are vector quantities?
Antworten
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Speed
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Distance
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Time
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Velocity
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Displacement
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Force
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Mass
Frage 2
Frage
A unit vector has a magnitude of [blank_start]1[blank_end].
Antworten
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1
Frage 3
Frage
The triangle rule is used to add vectors that join [blank_start]head to tail[blank_end].
The parallelogram rule is used to add vectors that join [blank_start]tail to tail[blank_end].
Antworten
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head to tail
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tail to tail
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head to head
Frage 4
Frage
If \(\vec{a}= \begin{pmatrix}5\\8\\\end{pmatrix}\), calculate \(2\vec{a}\).
Antworten
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10
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16
Frage 5
Frage
If \(\vec{a}= \begin{pmatrix}4\\3\\\end{pmatrix}\), and \(\vec{b}= \begin{pmatrix}1\\-2\\\end{pmatrix}\) calculate \(\vec c\) where \(\vec c =\vec{a}-2\vec{b}\)
Antworten
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2
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7
Frage 6
Frage
If \(\vec{a}= \begin{pmatrix}4\\3\\\end{pmatrix}\), and \(\vec{b}= \begin{pmatrix}1\\-2\\\end{pmatrix}\) calculate the magnitude of \(\vec {AB}\) .
Antworten
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-3
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-5
Frage 7
Frage
If \(\vec{a}= \begin{pmatrix}2\\3\\\end{pmatrix}\), and \(\vec{b}= \begin{pmatrix}5\\7\\\end{pmatrix}\) calculate the magnitude of \(\vec {AB}\) .
\[|\vec{AB}|\]=[blank_start]5[blank_end]
Antworten
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5
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