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Venkat Raj Binnani
Asked: 2022-11-08T21:53:50+05:30 In:

`vec(P)+vec(Q)` is a unit vector along x-axis. If `vec(P)= hat(i)-hat(j)+hat(k)`, then what is `vec(Q)`?
A. `hat(i)+hat(j)-hat(k)`
B. `hat(j)-hat(k)`
C. `hat(i)+hat(j)+hat(k)`
D. `hat(j)+hat(k)`

`vec(P)+vec(Q)` is a unit vector along x-axis. If `vec(P)= hat(i)-hat(j)+hat(k)`, then what is `vec(Q)`?
A. `hat(i)+hat(j)-hat(k)`
B. `hat(j)-hat(k)`
C. `hat(i)+hat(j)+hat(k)`
D. `hat(j)+hat(k)`
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  1. Correct Answer – B
    (b) Given `P+1=hat(i)-hat(j)+hat(k)`
    and `P+Q=hat(i)-hat(i)+hat(j)+hat(k)=hat(j)-hat(k)`

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Iqbal Sem
Asked: 2022-11-04T15:53:20+05:30 In:

`vec(P)+vec(Q)` is a unit vector along x-axis. If `vec(P)= hat(i)-hat(j)+hat(k)`, then what is `vec(Q)`?
A. `hati+hatj-hatk`
B. `hatj-hatk`
C. `hati+hatj+hatk`
D. `hatj+hatk`

`vec(P)+vec(Q)` is a unit vector along x-axis. If `vec(P)= hat(i)-hat(j)+hat(k)`, then what is `vec(Q)`?
A. `hati+hatj-hatk`
B. `hatj-hatk`
C. `hati+hatj+hatk`
D. `hatj+hatk`
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1 Answer

  1. Correct Answer – B
    (b) Given ,`P=hati-hatj+hatk`
    and `P+Q=hatiimpliesQ=hati-hati+hatj+hatk=hatj-hatk`

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Yadu Chandra Radhakrishnan
Asked: 2022-10-29T16:33:15+05:30 In:

`vec(P)+vec(Q)` is a unit vector along x-axis. If `vec(P)= hat(i)-hat(j)+hat(k)`, then what is `vec(Q)`?
A. `hat(i)+hat(j)-hat(k)`
B. `hat(j)-hat(k)`
C. `hat(i)+hat(j)+hat(k)`
D. `hat(j)+hat(k)`

`vec(P)+vec(Q)` is a unit vector along x-axis. If `vec(P)= hat(i)-hat(j)+hat(k)`, then what is `vec(Q)`?
A. `hat(i)+hat(j)-hat(k)`
B. `hat(j)-hat(k)`
C. `hat(i)+hat(j)+hat(k)`
D. `hat(j)+hat(k)`
Parabola
Leave an answer

Leave an answer

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1 Answer

  1. Correct Answer – B
    Given `vec(P)+vecQ= hat(i)`
    `implies hat(i)-hat(j)+hat(k)+vec(Q)= hat(i) implies vec(Q)= hat(j)-hat(k)`

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