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Payal Baria
Asked: 2022-11-09T02:47:09+05:30 In:

If a particle moves from point `P(2,3,5)` to point `Q(3,4,5)`. Its displacement vector be
A. `hat(i)+hat(j)+10hat(k)`
B. `hat(i)+hat(j)+5hat(k)`
C. `hat(i)+hat(j)`
D. `2hat(i)+4hat(j)+6hat(k)`

If a particle moves from point `P(2,3,5)` to point `Q(3,4,5)`. Its displacement vector be
A. `hat(i)+hat(j)+10hat(k)`
B. `hat(i)+hat(j)+5hat(k)`
C. `hat(i)+hat(j)`
D. `2hat(i)+4hat(j)+6hat(k)`
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  1. Correct Answer – C
    Displacement vector `vec(r )= Deltaxhat(i)+Deltayhat(j)+Deltazhat(k)`
    `=(3-2)hat(i)+(4-3)hat(j)+(5-5)hat(k)= hat(i)+hat(j)`

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Arjun Kumar Maharaj
Asked: 2022-11-02T17:34:58+05:30 In:

If a particle moves from point `P(2,3,5)` to point `Q(3,4,5)`. Its displacement vector be
A. `hati+hatj+10hatk`
B. `hati+hatj+5hatk`
C. `hati+hatj`
D. `2hati+4hatj+6hatk`

If a particle moves from point `P(2,3,5)` to point `Q(3,4,5)`. Its displacement vector be
A. `hati+hatj+10hatk`
B. `hati+hatj+5hatk`
C. `hati+hatj`
D. `2hati+4hatj+6hatk`
Parabola
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1 Answer

  1. Correct Answer – C
    (c ) Displacement vector `S=r_(Q)-r_(p)`
    `=(3hati+4hatj+5hatk)-(2hati+3hatj+5hatk)=hati+hatj`

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