Test:17 QNo:6

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A mirror is moving along the positive x axis at 10m/s Aditi is moving along the +ve Y axis at 10m/x. What is the speed of her image?

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harrys ·2010-10-05 11:23:10

a)10 b)10âˆš2 c)10âˆš32 d) 20

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Aashish Jindal ·2010-10-05 20:49:51

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nihal raj ·2010-10-05 21:09:01

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venkateshan ·2010-10-06 10:01:20

ne1 plz explain me hw is it a

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Abhisek ·2010-10-06 10:31:05

Guys I also didn't get how (a) is the answer..
:-|

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varun.tinkle ·2010-10-07 09:24:05

simple the speed of image is the rate by which the distacne is decreasing..... since movement in y direction doesnt change the perpendicular distance btween morror and object.. the speed of image is 10ms

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Basic Integral Calculus Operators Symbols Matrix Cases

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∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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Test:17 QNo:6

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